# BitVoice

> AI Voice Agents, IP PBX and Contact Centre Solutions


## Posts

- [Omnichannel Contact Center: Phone, WhatsApp and Instagram in One](https://bitvoice.in/omnichannel-contact-center/): What an omnichannel contact center is, how phone calls, WhatsApp calls, WhatsApp chat and Instagram work together, and what to check before you buy.
- [Fax over IP: Keep Fax Machines Working on VoIP with T.38](https://bitvoice.in/fax-over-ip-t38/): Why fax fails on VoIP, how T.38 fax relay fixes it, and how to set up fax machines on an IP PBX with an analog gateway.
- [WhatsApp Business Calling: Answer WhatsApp Calls in Your Call Centre](https://bitvoice.in/whatsapp-business-calling/): How WhatsApp Business calling works, why WhatsApp calls belong in your call centre queues, and how to set it up with Voxdial Contact Center.
- [How to Reduce Missed Customer Calls: 7 Proven Ways](https://bitvoice.in/reduce-missed-customer-calls/): Where missed customer calls come from and seven practical ways to stop losing them: queues, ring groups, callbacks, after-hours routing, AI backup, WhatsApp and wallboards.
- [Attended Transfer vs Blind Transfer: Which to Use and When](https://bitvoice.in/attended-vs-blind-transfer/): Attended (warm) vs blind (cold) call transfer explained, when to use each, and how transfers and 3-way handoffs work on the Voxdial operator console.
- [How to Choose an IP Phone for Your Office: A Buyer Checklist](https://bitvoice.in/how-to-choose-ip-phone/): What matters when you choose IP phones: SIP lines, HD voice, PoE, dual Ethernet, headset support, security, auto provisioning and support.
- [Call Barging, Whisper and Listen: Call Monitoring for Supervisors](https://bitvoice.in/call-monitoring-listen-whisper-barge/): How supervisors use silent listening, whisper coaching and call barging to train agents and rescue difficult calls, and how it works in Voxdial.
- [PBX Security: How to Prevent Toll Fraud on Your Phone System](https://bitvoice.in/pbx-security-toll-fraud/): How PBX toll fraud happens and how to prevent it: call restrictions, strong SIP security, voicemail PINs, admin permissions, monitoring and backups.
- [IP Phone vs Analog Phone: Which Should Your Office Use?](https://bitvoice.in/ip-phone-vs-analog-phone/): IP phones and analog phones compared on cabling, power, sound, features and cost, and when a mix of both on one IP PBX makes sense.
- [Multi Branch Phone System: Connect Branch Offices on One PBX](https://bitvoice.in/multi-branch-office-phone-system/): How to connect a head office and branches on one phone system: a central IP PBX or a PBX per site linked by SIP trunks, plus what each branch needs.
- [AI Voice Agents in India: How AI Calling Works in 22 Indian Languages](https://bitvoice.in/ai-voice-agents-india/): How AI voice agents answer calls in Indian languages, what they do well, why a human-first approach works best, TRAI rules and what AI calling costs in India.
- [Call Park and Call Pickup: How to Hand Calls Across the Office](https://bitvoice.in/call-park-and-pickup/): What call park is, how it differs from hold, park and page with a PA system, call pickup codes, and parking calls in the Voxdial operator console.
- [Work From Home Call Center: Softphones, Remote Agents, Checklist](https://bitvoice.in/work-from-home-call-center-softphone/): How to run a work from home call center: WebRTC softphone agent console, home set-up checklist, bandwidth per call and security for remote agents.
- [WhatsApp Bulk Messages: How to Run Campaigns the Right Way](https://bitvoice.in/whatsapp-bulk-message-campaigns/): How to send bulk WhatsApp messages on the official Business API: templates, contact lists, paced sending, campaign reports and handling replies.
- [Voice Bot in Hindi and Indian Languages: How It Works](https://bitvoice.in/voice-bot-indian-languages/): What it takes to run a voice bot in Hindi and regional languages: mixed-language speech, mid-call language switch, knowledge base and human handover.
- [PoE for IP Phones: Power, Switches and Power-Cut Planning](https://bitvoice.in/poe-ip-phones/): How Power over Ethernet works for IP phones, 802.3af vs PoE+, sizing a switch power budget, and keeping phones up during power cuts.
- [Busy Lamp Field (BLF): See Who Is Free Before You Transfer](https://bitvoice.in/busy-lamp-field-blf/): What a busy lamp field is, why operators need it, BLF in the Voxdial operator console, and how it works with DND, follow-me and ring groups.
- [SIP Phone Configuration: Register an IP Phone to a PBX](https://bitvoice.in/sip-phone-configuration/): How to register a SIP phone to an IP PBX by hand: the settings you need, step by step set-up, recommended values and fixes for common problems.
- [WhatsApp Business API in India: Pricing, Setup and Use Cases](https://bitvoice.in/whatsapp-business-api-india/): What the WhatsApp Business API is, how it differs from the WhatsApp Business app, how Meta pricing works in India, the rules to follow and how to get started.
- [Hotel PBX System: Room Phones, Wake-Up Calls and Call Control](https://bitvoice.in/hotel-pbx-system/): What a hotel phone system needs: keep analog room phones on an IP PBX, wake-up calls, room call restrictions, call records and front-desk routing.
- [VoIP Call Quality for Remote Agents: Jitter, Packet Loss, Fixes](https://bitvoice.in/voip-call-quality-remote-agents/): What jitter, packet loss and round-trip time mean for VoIP call quality, why home networks cause problems, and a checklist to fix them.
- [Emergency Alert System: Voice Alerts and PA Paging on an IP PBX](https://bitvoice.in/emergency-alert-system-voice/): How a voice emergency alert system works on an IP PBX: calling response teams at once, PA paging by zone, staff broadcasts and alert reports.
- [Call Accounting and CDR Reports: What Your PBX Should Tell You](https://bitvoice.in/call-accounting-cdr-reports/): The call detail record (CDR) and call accounting reports an IP PBX should provide, and the business questions each report answers.
- [Remote Agent Management: Running a Work From Home Call Centre](https://bitvoice.in/managing-remote-call-centre-agents/): How to manage remote call centre agents: live status and breaks, wallboard, listen, whisper and barge, shared park and missed-call lists, and reports.
- [Medical Dictation and Transcription Through Your Hospital Phone System](https://bitvoice.in/medical-dictation-transcription-hospitals/): How doctors dictate notes from any hospital phone and how transcriptionists work through a pending queue, with records kept on the hospital's own system.
- [Cloud PBX vs On-Premise PBX: Which Is Right for Your Business?](https://bitvoice.in/cloud-vs-on-premise-pbx/): An honest comparison of cloud and on-premise PBX: data control, cost over five years, internet outages, existing lines, integration and hybrid setups.
- [Shared Team Inbox for WhatsApp and Instagram: One Place for Every Chat](https://bitvoice.in/whatsapp-instagram-shared-inbox/): How a shared team inbox brings WhatsApp, Instagram and web chat together, with the 24-hour window, bot handover, customer profiles and team roles.
- [Call Centre Software in India: A Buyer's Guide to Human-First Contact Centres](https://bitvoice.in/call-center-software-india/): The call centre software features that matter in India in 2026: priority queues, CRM click to call, WhatsApp calls, wallboards, and AI as backup, not replacement.
- [Call Recording System for Business: Record, Find and Keep Calls](https://bitvoice.in/call-recording-system-business/): What to record, how to find any call in seconds, who should be able to listen, and how to back up recordings and settings automatically.
- [Hospital PBX System: How to Choose a Phone System for Hospitals in India](https://bitvoice.in/hospital-pbx-system/): What a hospital PBX system must do: emergency routing, doctors on mobile, paging, IVR, recording and call control, plus EPABX vs IP PBX and TEC compliance.
- [PBX Installation Checklist: Plan, Install and Go Live](https://bitvoice.in/pbx-installation-checklist/): A step-by-step checklist for installing an IP PBX or replacing an EPABX: survey, network, lines, phones, call flows, security, testing and training.
- [IP Phone Auto Provisioning: Zero-Touch Setup Explained](https://bitvoice.in/ip-phone-auto-provisioning/): How zero-touch provisioning finds IP phones on your network and configures them automatically, which brands it supports and how a deployment map shows every device.
- [Call Queue Management: Priorities, Wait Times and What Callers Hear](https://bitvoice.in/call-queue-management/): How call queues work in a call centre: agent priorities, wait limits, timed call actions while callers wait, screen pop and dispositions.
- [IP PBX Features List: A Checklist for Indian Businesses](https://bitvoice.in/ip-pbx-features-list/): A practical list of IP PBX features grouped by what they do: call handling, routing, lines, security, paging, reports and contact centre.
- [EPABX vs IP PBX: Which Office Phone System Should Indian Businesses Choose?](https://bitvoice.in/epabx-vs-ip-pbx/): EPABX or IP PBX? A plain-language comparison of lines, extensions, branches, recording and cost, and the signs it is time for Indian businesses to upgrade.
- [PBX Feature Codes, Speed Dials and Directories Explained](https://bitvoice.in/pbx-feature-codes/): How PBX feature codes work for call pickup, forwarding and voicemail, how to customise them, and how speed dials and shared directories help.
- [Call Centre KPIs: Service Level, Abandon Rate and the Live Wallboard](https://bitvoice.in/call-center-kpis-wallboard/): The call centre KPIs that matter, sensible targets for service level, abandon rate and occupancy, and how a live wallboard and supervisor tools keep them on track.
- [Voicemail to Email: Set Up Business Voicemail on Your IP PBX](https://bitvoice.in/voicemail-to-email/): How voicemail to email works on an IP PBX, how to set up mailboxes and system-wide defaults, and good voicemail practice for businesses.
- [WhatsApp Chatbot for Business: Automate Support Without Losing the Human Touch](https://bitvoice.in/whatsapp-chatbot-customer-support/): How to build a WhatsApp chatbot customers like: rule-based vs AI, what to automate, how to design the handover to a person, and tips that work in India.
- [PRI to SIP Trunk Migration: A Step-by-Step Guide](https://bitvoice.in/pri-to-sip-trunk-migration/): How to move from PRI lines to SIP trunks without downtime: running both in parallel, routing numbers in stages, failover and common problems.
- [PBX System for Schools and Colleges: A Campus Communication Guide](https://bitvoice.in/pbx-system-for-schools-colleges/): What schools, colleges and universities need from a phone system: admissions without missed calls, campus paging, call restrictions, hostels and multiple campuses.
- [WhatsApp API Integration: Connect Your CRM, ERP or Website](https://bitvoice.in/whatsapp-api-integration-crm/): How to send WhatsApp messages from your own systems: API endpoints, templates, invoices, reply buttons, API key security, rate limits and webhooks.
- [IP Paging: Replace Your PA System with Your Phone System](https://bitvoice.in/ip-paging-pa-system/): How IP paging on an IP PBX replaces a separate PA system: zones, priorities, scheduled bells, live broadcast and where factories, hospitals and schools use it.
- [Use Your Analog Phones with an IP PBX: Gateways Explained](https://bitvoice.in/analog-phones-ip-pbx-gateway/): How analog gateways connect existing analog phones and fax machines to an IP PBX, FXS vs FXO, and how to set up and manage gateways.
- [PBX System Price in India: What Really Decides the Cost of an IP PBX](https://bitvoice.in/pbx-system-price-india/): Users, phone lines, phones, edition, hardware and support: the six things that decide the price of a PBX system in India, plus hidden costs to ask about.
- [Toll-Free Number with IVR in India: Setup Guide and Best Practices](https://bitvoice.in/toll-free-number-ivr-india/): How 1800 toll-free numbers work in India, why businesses use them, and how to design an IVR menu that gets callers to the right person without frustration.
- [Ring Groups and Follow Me: Make Sure Every Call Is Answered](https://bitvoice.in/ring-groups-follow-me/): How ring groups let a whole team answer one number, how follow me reaches people on their mobile, and the settings that stop calls from being missed.
- [Hospital Call Centre: How to Answer Every Patient Call and Appointment](https://bitvoice.in/hospital-call-centre-appointment-booking/): Why patient calls go unanswered, how a hospital call centre with queues, callbacks, AI backup and WhatsApp reminders fixes it, and the numbers to track.
- [PBX System for Small Business in India: What You Really Need](https://bitvoice.in/pbx-system-small-business/): The PBX features that matter for a small business, a typical set-up, which phones to buy and how to choose between on-premise and cloud.
- [TEC Certified IP PBX: What MTCTE Means for Businesses and Tenders in India](https://bitvoice.in/tec-certified-ip-pbx-mtcte/): What TEC and MTCTE certification mean for an IP PBX in India, why tenders demand it, what the tests cover and how to verify a vendor's certificate.
- [Office Intercom System: From EPABX Intercom to IP PBX](https://bitvoice.in/office-intercom-system/): How an office intercom system works, EPABX intercom vs IP PBX, intercom features to look for and how to keep your existing phones.
- [IVR Call Flow Design: A Step-by-Step Guide for Businesses](https://bitvoice.in/ivr-call-flow-design/): How to design an IVR call flow that gets callers to the right person: incoming routes, business hours, menus, announcements, prompts and a sample flow.
- [SIP Trunk in India: How It Works, Costs and How to Switch from PRI](https://bitvoice.in/sip-trunk-india/): What a SIP trunk is, how it compares with PRI and analog lines, which Indian operators offer it, rules to follow and how to switch without changing numbers.
- [What Is a PBX System? EPABX Full Form, Types and How It Works](https://bitvoice.in/what-is-pbx-system/): What a PBX system is, the full forms of PBX, PABX and EPABX, the types of PBX in India and how a modern IP PBX works.
- [How to Control Your Office Phone Bill with Call Restrictions](https://bitvoice.in/control-office-phone-bill-call-restrictions/): Class of service explained: decide which extensions can call local, national or international numbers, restrict calls by time, add PINs and block unwanted callers.
- [AI Voice Agent ROI: A Simple Formula and Worked Example](https://bitvoice.in/ai-voice-agent-roi/): Calculate AI voice agent ROI for a human-first contact centre: the inputs, a formula, a worked example with hypothetical numbers and common mistakes.
- [Chat Support KPIs: What to Measure for WhatsApp and Web Chat](https://bitvoice.in/chat-support-kpis/): The chat support KPIs that matter: first response time, response time percentiles, resolution time, concurrency, bot handover and sentiment, with targets.
- [VoIP vs Landline for Business: Which Lines to Keep in India](https://bitvoice.in/voip-vs-landline/): VoIP vs landline for Indian offices: how SIP trunks and copper lines compare on quality, reliability, capacity and cost drivers, and why most firms use both.
- [Call Centre Software for Banks, NBFCs and Insurers: What It Needs](https://bitvoice.in/call-centre-software-for-banks-nbfc/): CRM screen pop, call recording with access control, on-premise data, auto callback and supervisor tools: what call centre software for banks and NBFCs needs.
- [EPABX for Government Tenders: IP PBX Specification Checklist](https://bitvoice.in/epabx-for-government-tenders/): What government and PSU tenders ask for in an EPABX or IP PBX: TEC MTCTE certificate, on-premise, interfaces, operator console, recording, backups and support.
- [Citizen Helpline Call Centre: How to Set One Up for a Department](https://bitvoice.in/citizen-helpline-call-centre/): Set up a citizen helpline: toll-free number, local-language IVR, department queues, recording, missed-call callbacks, AI voice agents and a WhatsApp helpline.
- [WhatsApp for Schools: Notices, Fee Reminders and a Parent Chatbot](https://bitvoice.in/whatsapp-for-schools/): Replace class WhatsApp groups with an official school number: a shared inbox, notices by name to parents who opted in, and a chatbot for routine questions.
- [WhatsApp for Manufacturers: Dealer and Distributor Support](https://bitvoice.in/whatsapp-for-manufacturers-dealers/): Run dealer and distributor support on the WhatsApp Business API: shared inbox, chatbot with handover, ERP updates, announcements and WhatsApp calls.
- [Factory Phone System: Plan Phones, Paging and Alerts for a Plant](https://bitvoice.in/factory-phone-system/): How to plan a factory phone system: keep shop-floor analog phones on gateways, add paging zones, emergency alerts, call restrictions and link every plant.
- [EMI Reminder Calls with AI Voice Agents in Indian Languages](https://bitvoice.in/emi-reminder-calls-ai/): How lenders and insurers make EMI and renewal reminder calls with AI voice agents in 22 Indian languages, with hand-over to agents and WhatsApp follow-up.
- [Admission Helpline: How Colleges Can Answer Every Enquiry](https://bitvoice.in/college-admission-helpline/): Set up a college admission helpline with course-wise IVR, counsellor queues, missed-call callbacks, AI backup in the rush and WhatsApp enquiries.
- [WhatsApp for Hotels: Chatbot, Instagram DMs and Guest Messaging](https://bitvoice.in/whatsapp-for-hotels/): How hotels use WhatsApp, Instagram and website chat in one inbox, with a chatbot for routine questions, booking messages and WhatsApp calls for reservations.
- [Hotel Reservation Call Centre: Never Miss a Booking Call](https://bitvoice.in/hotel-reservation-call-centre/): Set up a hotel reservation call centre: queues, auto callback for missed callers, VIP priority, AI backup at night and WhatsApp chats, for one or many hotels.
- [PBX Dial Plan: How to Plan Extension Numbers and Outbound Routes](https://bitvoice.in/pbx-dial-plan-extension-numbering/): Design a PBX dial plan: extension length, number ranges per department and branch, outside line access, outbound routes, emergency numbers and codes.
- [AI Voice Agent for Hospitals: Busy Lines, Follow-ups, 22 Languages](https://bitvoice.in/ai-voice-agent-for-hospitals/): Where an AI voice agent helps a hospital and where it does not: busy-time and after-hours answering, patient follow-up calls, 22 Indian languages, human first.
- [VoIP Codecs Explained: G.711, G.729, G.722 and Opus](https://bitvoice.in/voip-codecs-g711-g729-g722-opus/): Which VoIP codec to use where: G.711 for trunks, G.722 HD voice in the office, G.729 for small links and Opus for softphones, with bandwidth figures.
- [WhatsApp for Hospitals: Chatbot, Shared Inbox and Patient Messages](https://bitvoice.in/whatsapp-for-hospitals/): How hospitals use WhatsApp: a chatbot for routine questions, a shared team inbox, appointment messages from the HIS and WhatsApp calls in the call centre.
- [How to Block Spam Calls on a Business Phone System](https://bitvoice.in/block-spam-calls-business/): Block spam and nuisance calls on your office phone system with a PBX blacklist, caller ID routing and a simple monthly routine.
- [Call Centre Features That Stop Missed Calls: Hospitals and Business](https://bitvoice.in/call-center-features-hospitals/): Group and agent queues, VIP routing, auto callback, auto answer, auto closure, wallboards and reports: how each contact centre feature helps hospitals and customer service teams.
- [Voice Bot vs Chatbot: Which One Does Your Business Need?](https://bitvoice.in/voice-bot-vs-chatbot/): Voice bot vs chatbot compared: channels, strengths, when to use each, and how AI voice agents and WhatsApp chatbots work together with human agents.
- [Conference Call System for Offices: Ad-hoc, Handoff and Rooms](https://bitvoice.in/pbx-conference-call/): Three kinds of conference call on an IP PBX (desk phone, operator handoff and conference rooms), when to use each and how to set them up.
- [Call Centre Scripts: Greeting, Hold, Transfer and Closing Templates](https://bitvoice.in/call-centre-scripts/): Ready-to-use call centre scripts in plain English for greeting, verification, hold, transfer, callbacks, complaints and closing, plus tips to write your own.
- [Music on Hold for Business: Music, Messages and Queue Announcements](https://bitvoice.in/music-on-hold-business/): How music on hold works on an IP PBX: MOH categories, on hold messages, queue announcements, using music legally and audio quality tips.
- [Call Centre Quality Monitoring: A Simple QA Process and Scorecard](https://bitvoice.in/call-centre-quality-monitoring/): How to run call centre quality monitoring: sample recorded calls, score them on a simple scorecard, calibrate reviewers and coach agents within the week.
- [Time Based Call Routing: Office Hours, Holidays and After Hours](https://bitvoice.in/time-based-call-routing/): Route calls by time of day with time groups and time conditions: office hours, lunch breaks, Saturdays, holiday overrides and better after-hours options.
- [Operator Console for Your PBX: Features, Shortcuts and Set-up](https://bitvoice.in/pbx-operator-console/): What an operator console is, why busy front desks need one instead of a desk phone, and how the Voxdial operator console handles waiting, transfer and park.
- [After Call Work (ACW): Wrap Up Time and How to Reduce It](https://bitvoice.in/after-call-work-acw/): What after call work includes, how to measure ACW, how wrap-up and auto closure work in Voxdial, and practical ways to keep wrap up time short and useful.
- [Call Forwarding on a Business Phone System: Types and Setup](https://bitvoice.in/call-forwarding-business-phone/): Unconditional, busy and no-answer call forwarding, do not disturb, forwarding to mobiles and what it costs, and how to set it up on an IP PBX.
- [First Call Resolution (FCR): Formula and How to Improve It](https://bitvoice.in/first-call-resolution-fcr/): First call resolution explained: the FCR formula, three ways to measure it, why calls are not resolved first time and practical ways to improve FCR.
- [DID Number in India: What It Is and How to Route It](https://bitvoice.in/did-number-india/): What a DID number is, how Indian businesses get DIDs on SIP trunks and PRI lines, and how to route each one to an extension, team, IVR or queue.
- [Average Handle Time (AHT): Formula and How to Reduce It](https://bitvoice.in/average-handle-time-aht/): What average handle time includes, the AHT formula with an example, how to read it per agent and queue, and six ways to reduce AHT without hurting service.
- [CSAT vs NPS: How to Run a Post Call Survey in a Call Centre](https://bitvoice.in/csat-nps-post-call-survey/): CSAT vs NPS explained: formulas, when to use each, and how to run a short post call survey by IVR, outbound voice or WhatsApp, then act on low scores.
- [What Is IVR? Meaning, How an IVR System Works, Types and Benefits](https://bitvoice.in/what-is-ivr-system/): What IVR means, how an IVR system works with prompts and keypad tones, types of IVR from menus to AI voice agents, benefits, mistakes and examples.
- [Call Centre Glossary: 50 Terms and Abbreviations Explained](https://bitvoice.in/call-centre-glossary/): Call centre terminology in plain words, A to Z: ACD, AHT, ACW, ASA, barge, CSAT, FCR, IVR, occupancy, service level, wallboard, whisper and more.
- [Cloud vs On-Premise Contact Centre: Which Is Right for You?](https://bitvoice.in/cloud-vs-on-premise-contact-centre/): Cloud vs on-premise contact centre software compared: recordings, CRM access, remote agents, phone lines and when each model suits Indian businesses.
- [Inbound vs Outbound Call Centre: Differences, Tools and Measures](https://bitvoice.in/inbound-vs-outbound-call-centre/): Inbound vs outbound call centres compared: what each does, the tools and KPIs each needs, blended teams, and how to do outbound calling the right way.
- [AI Call Summary: How Transcripts and Summaries Help Agents](https://bitvoice.in/ai-call-summary/): How AI call summaries and transcription speed up hand-overs, wrap-up and quality checks, where to be careful, and how they fit a human-first contact centre.
- [DPDP Act and Call Recording: A Guide for Indian Call Centres](https://bitvoice.in/dpdp-act-call-recording/): What the DPDP Act 2023 means for call recordings, CRM data and WhatsApp chats: notice, consent, purpose, retention, access control and breach handling.
- [WhatsApp Quality Rating, Opt-in and Messaging Limits Explained](https://bitvoice.in/whatsapp-opt-in-quality-rating/): Keep your WhatsApp Business number healthy: collect clear opt-in, understand green, yellow and red quality ratings, messaging limits and how to avoid blocks.
- [WhatsApp Template Messages: Categories, Variables and Approval](https://bitvoice.in/whatsapp-template-messages/): How WhatsApp template messages work: marketing, utility and authentication categories, variables, buttons, the 24-hour window and common rejection reasons.
- [Upgrade an Old EPABX to IP PBX: A Step-by-Step Migration Plan](https://bitvoice.in/upgrade-old-epabx-to-ip-pbx/): Replace an old EPABX in phases: survey, keep analog phones on VoIP gateways, move PRI and analog lines, pilot group, floor-by-floor cutover and training.
- [PBX Backup and Failover: Keep Your Phones Running in an Outage](https://bitvoice.in/pbx-backup-failover/): Plan PBX backup and failover in four layers: scheduled configuration backups, UPS power, trunk failover across providers and hardware recovery.
- [EPABX AMC: What a PBX Maintenance Contract Should Cover](https://bitvoice.in/pbx-amc-maintenance/): What a good EPABX AMC covers: preventive visits, firmware, backups, response times, spares and remote support, with a checklist and questions for vendors.
- [VoIP One Way Audio: Causes and a Step-by-Step Fix Checklist](https://bitvoice.in/voip-one-way-audio-fix/): Why one side of a VoIP call cannot hear: NAT, SIP ALG, blocked RTP ports, codecs. A checklist for the router, the PBX and the phone to fix one way audio.
- [VoIP QoS and Voice VLAN: Network Setup for Clear IP Phone Calls](https://bitvoice.in/qos-vlan-for-voip/): Set up VoIP QoS and a voice VLAN for IP phones: DSCP EF 46, LLDP-MED, bandwidth per codec, latency and jitter targets, PoE switches and common mistakes.
- [What is a PRI Line? E1 PRI Explained for Indian Businesses](https://bitvoice.in/what-is-pri-line/): What a PRI line is, how an E1 PRI carries 30 calls, how it connects to an EPABX or IP PBX, PRI vs SIP trunk, and who still uses PRI in India.
- [FXS vs FXO: Which Analog Port Do You Need?](https://bitvoice.in/fxs-vs-fxo/): FXS vs FXO in plain words: FXS gives analog phones a dial tone, FXO takes one from a line. What to connect to each and how many gateway ports you need.
- [AI Receptionist vs Auto Attendant: Which Does Your Business Need?](https://bitvoice.in/ai-receptionist-virtual-receptionist/): How an AI receptionist differs from an IVR auto attendant, where each fits, and how to run AI as backup so your team still answers first.
- [What is SIP? SIP Protocol Explained for Business Phone Systems](https://bitvoice.in/what-is-sip-protocol/): What SIP is, how a SIP call works (REGISTER, INVITE, RTP), SIP vs VoIP, ports 5060 and 5061, SIP trunks vs extensions, and basic SIP security.
- [Call Centre Agent Status Codes: States, Aux and Break Codes](https://bitvoice.in/agent-status-break-codes/): Agent states explained: available, on call, wrap-up, break, paused and offline, with break reasons, auto closure and fair reporting on agent time.
- [Lead Management in a Call Centre: Lists, Forms and Recycling](https://bitvoice.in/call-centre-lead-management/): How call centres manage leads: campaigns, lead forms, custom fields, dispositions, lead recycling, missed-call callbacks, CRM and WhatsApp follow-up.
- [Call Centre Reports: What to Check Daily, Weekly and Monthly](https://bitvoice.in/call-centre-reports/): The call centre reports a manager needs: missed and abandoned calls daily, agent performance and IVR drop-offs weekly, trends and call reasons monthly.
- [Call Centre Agent Training: A 2 to 3 Week Onboarding Plan](https://bitvoice.in/call-centre-agent-training/): A practical call centre agent training plan: product and system lessons, call listening, shadowing, supervised live calls with whisper coaching, and refreshers.
- [Skill Based Routing: Match Every Caller to the Right Agent](https://bitvoice.in/skill-based-routing/): How skill based routing works, building a skills matrix for languages and products, and setting it up in Voxdial with inbound groups and agent priorities 1 to 9.
- [Call Disposition Codes: Example Lists for Sales, Support, Collections](https://bitvoice.in/call-disposition-codes/): What call disposition codes are, ready-made lists for sales, support and collections, rules for a good list and how dispositions drive callbacks and reports.
- [Erlang C Call Centre Staffing: How Many Agents Do You Need?](https://bitvoice.in/call-centre-staffing-erlang-c/): Use Erlang C to work out how many call centre agents you need: inputs, a worked example of 120 calls and 4 minute AHT, plus how to add shrinkage to the roster.
- [How to Set Up a Call Centre in India: A Step-by-Step Guide](https://bitvoice.in/how-to-set-up-call-centre-india/): How to set up a call centre in India: define goals, size seats for peak hour, pick SIP or PRI lines, choose on-premise or cloud, configure queues and add AI backup.
- [After Sales Service Call Centre: Requests, Warranty, Technicians](https://bitvoice.in/after-sales-service-call-centre/): Set up an after sales service helpline: IVR by request type, logging service requests, technician coordination, WhatsApp status updates and AI backup.
- [Travel Agency Call Centre: Capture Every Enquiry and Follow Up](https://bitvoice.in/travel-agency-call-centre/): How travel agencies and tour operators set up a call centre: an IVR for enquiries and travelling customers, lead forms, missed call callbacks and WhatsApp.
- [Logistics Call Centre: Courier Support, Tracking and Peak Days](https://bitvoice.in/logistics-customer-support-call-centre/): Set up a logistics call centre: separate queues for receivers and sellers, missed call callbacks, WhatsApp shipment updates and AI backup in peak season.
- [Phone System for Retail Stores: One Platform for Every Store](https://bitvoice.in/phone-system-for-retail-chains/): How retail chains connect every store, the warehouse and customer support on one phone system, with central number routing, missed call callbacks and WhatsApp.
- [AI Voice Agent vs Human Agent: Which Calls Go Where?](https://bitvoice.in/ai-voice-agent-vs-human-agent/): AI voice agent vs human agent compared: what each does well, which calls need a person, and the human-first setup where AI covers busy times and after hours.
- [How AI Voice Agents Work: STT, LLM, TTS, Barge-in and Latency](https://bitvoice.in/how-ai-voice-agents-work/): How AI voice agents work, step by step: telephony gateway, speech to text, the language model and tools, text to speech, barge-in, latency and hand-over.
- [OSP Guidelines for Call Centres in India: What Changed](https://bitvoice.in/osp-guidelines-call-centre-india/): DoT's revised OSP guidelines removed registration and allowed work from home. What changed in 2020 and 2021 and what call centres must still take care of.
- [TRAI Rules for Business Calls: TCCCPR, DND, 140 and 1600 Series](https://bitvoice.in/trai-rules-business-calls/): A plain guide to TRAI rules for business calls in India: TCCCPR, the DND register, DLT registration, 140 series for promotions and 1600 series for service calls.
- [IP Phone Directory: Build a Company Phonebook That Stays Current](https://bitvoice.in/ip-phone-directory-phonebook/): Ways to build a company phonebook for IP phones: local contacts, remote XML, LDAP and PBX lists, plus display names, speed dials and a shared address book.
- [Outbound Caller ID (CLI): Set the Right Number for Every Call](https://bitvoice.in/outbound-caller-id-cli/): How outbound caller ID works on an IP PBX: trunk, route and extension caller IDs, DIDs per department, Indian CLI rules and fixes for common problems.
- [Least Cost Routing on a PBX: Cut Call Costs Across Operators](https://bitvoice.in/least-cost-routing-pbx/): How least cost routing works on an IP PBX: outbound routes by dial pattern, ordered trunk sequences, overflow when a trunk is full, and Indian rules to follow.
- [What Is a VoIP Gateway? Types, Ports and How to Choose](https://bitvoice.in/what-is-voip-gateway/): What a VoIP gateway does, FXS vs FXO vs E1/PRI gateways, how many ports you need, and what to check on the datasheet before you buy.
- [Do Not Disturb (DND) on an Office Phone System: Setup Guide](https://bitvoice.in/do-not-disturb-dnd/): How DND works on an office phone system: one feature code, a fallback for every extension, BLF for reception, and how it differs from TRAI DND.
- [Call Centre Headsets: How to Choose the Right One for Agents](https://bitvoice.in/call-centre-headsets-guide/): How to choose call centre headsets: USB vs 3.5 mm vs wireless, mono vs stereo, noise-cancelling microphones, comfort, home agents and a buying checklist.
- [Complaint Management Process: Steps, TAT and Tracking](https://bitvoice.in/complaint-management-call-centre/): A seven-step complaint management process for call centres: logging, reference numbers, owners, TAT by category, WhatsApp complaints, closure and reports.
- [Phone Etiquette for Customer Service: Rules and Sample Phrases](https://bitvoice.in/phone-etiquette-customer-service/): Phone etiquette rules for customer service teams: greeting, listening, hold and transfer etiquette, handling angry callers and closing calls, with phrases.
- [Escalation Matrix: How to Build One for Your Call Centre](https://bitvoice.in/call-centre-escalation-matrix/): What an escalation matrix is, functional vs hierarchical escalation, an example L1 to L5 template with time limits, and how to track escalations on calls.
- [WhatsApp Click to Chat Link and QR Code: A Setup Guide](https://bitvoice.in/whatsapp-click-to-chat-link-qr/): Create a WhatsApp click to chat link with wa.me, add a pre-filled message, turn it into a QR code and place it on your website, counter and invoices.
- [WhatsApp Green Tick: Verified Badge, Meta Verified and Trust](https://bitvoice.in/whatsapp-green-tick-verification/): What the WhatsApp green tick and verified badge mean today, how they differ from business verification and display name, and how to build trust without one.
- [Instagram DM for Business: Team Inbox, Automation and Rules](https://bitvoice.in/instagram-dm-for-business/): Handle Instagram DMs as a team: the 24-hour rule, a shared inbox with WhatsApp, chatbot greetings and handover, and a reply playbook that keeps customers.
- [Website Live Chat: When It Helps and How to Run It Well](https://bitvoice.in/website-live-chat-widget/): How website live chat works, which pages need it, how to staff it, how a chatbot and WhatsApp fit in, and the mistakes that make a chat widget backfire.
- [Car Dealership Call Centre: Sales, Service and Spares Calls](https://bitvoice.in/automobile-dealership-call-centre/): Set up a dealership call centre: separate queues for sales, service and spares, auto callback for missed buyers, lead forms, WhatsApp service reminders.
- [Phone System for Clinics: Answer Every Patient Call](https://bitvoice.in/phone-system-for-clinics/): A phone system for small clinics: IVR, a reception ring group, clinic timings, doctor follow-me, voicemail, WhatsApp for reports and AI only as backup.
- [WhatsApp Payment Reminders: Templates, Timing and Good Practice](https://bitvoice.in/whatsapp-payment-reminders/): Send invoice, fee, EMI and renewal reminders on WhatsApp: utility templates with sample text, a reminder sequence, API sending from billing, and polite rules.
- [Click to WhatsApp Ads: Turn Ad Clicks into Conversations](https://bitvoice.in/click-to-whatsapp-ads/): How click to WhatsApp ads on Facebook and Instagram work, how to plan the first message, answer every chat with a bot and agents, and measure sales.
- [AI Phone Answering for Restaurants: Never Miss a Booking Call](https://bitvoice.in/ai-phone-answering-restaurants/): How restaurants use AI phone answering for rush hours and after closing: table bookings, common questions and WhatsApp confirmations, with staff answering first.
- [On-Premise AI Voice Agent: Keep Voice AI and Data In-House](https://bitvoice.in/on-premise-ai-voice-agent/): What an on-premise AI voice agent covers, which parts can run on your servers, the trade-offs, and how BitVoice deploys VEXYL and LiteBot self-hosted.
- [AI Voice Agent Guardrails: Scope, Knowledge, Tools and Handover](https://bitvoice.in/ai-voice-agent-guardrails/): The guardrails every AI voice agent needs before it takes real calls: a narrow scope, a controlled knowledge base, safe tools, handover rules and log reviews.
- [Conversational IVR: Let Callers Say What They Need](https://bitvoice.in/conversational-ivr/): How a conversational IVR differs from a keypad IVR, when speech beats "press 1", and how to add AI speech to your existing IVR with a keypad fallback.
- [Emergency Calls from a PBX: Dialling 112 from Office Phones](https://bitvoice.in/emergency-calling-112-pbx/): Make sure every office phone can dial 112: emergency outbound routes, emergency caller ID per extension, call restriction checks, location and testing.
- [Structured Cabling for IP Phones: Cat6, PoE Budget and Patch Panels](https://bitvoice.in/office-phone-cabling/): Plan structured cabling for IP phones: outlets, Cat6 vs Cat6A, the 100 metre limit, PoE power budgets, patch panel labels and analog phones on gateways.
- [WebRTC Calling: Browser Softphones on Your Business PBX](https://bitvoice.in/webrtc-browser-calling/): What WebRTC calling is, how it differs from a SIP phone, how browser phones connect to an IP PBX over WSS with STUN and TURN, and a setup checklist.
- [How Many SIP Channels Do I Need? Sizing a SIP Trunk with Erlang B](https://bitvoice.in/how-many-sip-channels/): Work out how many SIP channels you need from busy hour calls and call length with Erlang B, with worked examples, bandwidth per call and overflow tips.
- [Multilingual IVR: Serve Callers in Hindi and Regional Languages](https://bitvoice.in/multilingual-ivr/): How to set up a multilingual IVR: choose languages, design the language menu, build one menu per language, route to language queues and add AI backup.
- [IVR Greeting Script Examples and Tips for Recording Prompts](https://bitvoice.in/ivr-voice-prompts-recording/): Ready IVR greeting script examples for welcome, menu, after-hours, holiday and queue messages, plus tips for recording prompts and loading them into your PBX.
- [Call Centre Attrition: 8 Practical Ways to Keep Good Agents](https://bitvoice.in/reduce-call-centre-agent-attrition/): Why call centre agents leave and how to improve retention: honest hiring, a proper start, fair metrics, real coaching, predictable schedules and better tools.
- [How to Reduce Call Volume Without Pushing Customers Away](https://bitvoice.in/reduce-inbound-call-volume/): Reduce call volume by finding your call drivers, fixing causes, sending proactive WhatsApp updates, answering routine questions on chat and stopping repeat calls.
- [Call Centre Shift Scheduling: Build a Roster That Meets Demand](https://bitvoice.in/call-centre-shift-scheduling/): How to build a call centre roster: forecast calls by interval, convert to agents with Erlang C, add shrinkage, stagger shifts, place breaks and manage the day.
- [Call Centre Occupancy vs Utilisation: Formulas and Healthy Levels](https://bitvoice.in/occupancy-vs-utilisation/): Call centre occupancy and agent utilisation explained with formulas and a worked shift example, why very high occupancy burns agents out, and what to do.
- [Call Centre Service Level: 80/20 Formula and How to Set Targets](https://bitvoice.in/call-centre-service-level/): What call centre service level means, four ways to count abandoned calls, a worked example, service level vs ASA and abandon rate, and how to set targets.
- [Average Speed of Answer (ASA): Formula, Targets and Fixes](https://bitvoice.in/average-speed-of-answer-asa/): How to calculate average speed of answer, why the average hides long waits, how to set an ASA target by line type and what actually brings ASA down.
- [Click to Call CRM Integration: Screen Pop, Call Logging and Set-up](https://bitvoice.in/click-to-call-crm-integration/): How click to call CRM integration works: one-click dialling, screen pop on incoming calls, automatic call logging, and setting it up with Voxdial.
- [Missed Call Management in a Call Centre: How It Works](https://bitvoice.in/missed-call-management-call-centre/): What happens after a call is missed in Voxdial Contact Center: agent no-answer handling, automatic callbacks, missed calls in the agent console app, the callback worklist and abandoned call reports.

## Pages

- [Government](https://bitvoice.in/government/): TEC certified communication systems for government departments and PSUs by BitVoice: the Voxdial IP PBX, certified under MTCTE, running on your own servers, with an operator console, multiple offices on one system, call recording with access control, call restrictions, emergency voice alerts and PA paging, built and supported by an Indian company.
- [Manufacturing](https://bitvoice.in/manufacturing/): Phone, paging and emergency alert system for factories and plants: the TEC certified Voxdial IP PBX, TEC certified BitVoice VoIP gateways for analog shop-floor phones, PA paging by zone with scheduled bells, emergency voice alerts with alert history, an operator console and every plant on one system. Built and supported by BitVoice.
- [BFSI](https://bitvoice.in/bfsi/): Contact centre and phone system for banks, NBFCs and insurers: Voxdial Contact Center with CRM click to call and screen pop, call recording with access control, on-premise data, renewal and EMI reminders by agents and AI voice agents, and the TEC certified Voxdial IP PBX for every branch. Built and supported by BitVoice.
- [Education](https://bitvoice.in/education/): Phone systems for schools, colleges and universities by BitVoice: the TEC certified Voxdial IP PBX with admission IVR, queues and missed-call callbacks, paging zones and scheduled bells, emergency alerts, hostel night routing, call restrictions and one system across campuses, plus an admissions desk on Voxdial Contact Center.
- [Hospitality](https://bitvoice.in/hospitality/): Hotel and resort phone systems by BitVoice: the TEC certified Voxdial IP PBX with analog room phones kept through BitVoice VoIP gateways, wake-up calls, room call restrictions, call records per room, reservations IVR, night desk routing, operator console and back-of-house paging.
- [Healthcare](https://bitvoice.in/healthcare/): BitVoice for hospitals and clinics: the TEC certified Voxdial IP PBX for wards and departments, Voxdial Contact Center for the appointment desk with auto callback for missed patients and VIP priority, plus medical transcription, PA paging and emergency voice alerts on the same platform.
- [Industries](https://bitvoice.in/industries/): BitVoice communication systems for hospitals, hotels, schools and colleges, banks and insurers, factories and government offices: the TEC certified Voxdial IP PBX, Voxdial Contact Center, VoIP gateways, IP phones, AI voice agents and WhatsApp, set up for the way each industry works.
- [Terms & Conditions](https://bitvoice.in/terms-conditions/): Terms and conditions for using BitVoice services and payment methods.
- [E-waste Management](https://bitvoice.in/e-waste-management/): How BitVoice handles e-waste under the E-Waste (Management) Rules: recycling partner, do's and don'ts, buy-back scheme and collection centres across India.
- [Refund Policy](https://bitvoice.in/refund-policy/): Cancellation and refund policy for BitVoice products and services, and how to request a cancellation or refund.
- [Privacy Notice](https://bitvoice.in/privacy-notice/): How BitVoice collects, uses and protects personal data under India's Digital Personal Data Protection Act, 2023, and how to exercise your rights.
- [IP Phones](https://bitvoice.in/ip-phones/): BitVoice IP phones: the B301 and B303 SIP desk phones. The B301 is an entry-level model with 2 SIP lines and a 2.3-inch LCD; the B303 adds a 2.4-inch colour screen and 4 SIP lines. Both have HD voice with G.722 and Opus, 6-way conferencing, dual 10/100 Ethernet, EHS headset support, TLS and SRTP, a PoE variant and auto provisioning on the Voxdial IP PBX. Supplied and supported by BitVoice Solutions.
- [VoIP Gateways](https://bitvoice.in/voip-gateways/): BitVoice TEC certified analog VoIP gateways: the BitVoice BVS1000 Series with 16, 24 or 32 RJ11 ports for analog phones and fax machines (SIP, T.38 fax, G.711, G.729A, G.722, G.726 and iLBC, SNMP, TR-069, up to 3 km lines), plus an 8 port gateway for smaller sites. All 8, 16, 24 and 32 port gateways are TEC certified under MTCTE. Made by BitVoice Solutions, an Indian manufacturer of communication hardware and software, and configured automatically by the Voxdial IP PBX.
- [Blog](https://bitvoice.in/blog/): Guides on IP PBX, contact centres, AI voice agents and telecom compliance for Indian businesses, from the engineers at BitVoice.
- [Home](https://bitvoice.in/)
- [Contact Us](https://bitvoice.in/contact-us/): Talk to BitVoice sales or support about an IP PBX, contact centre, AI voice agents or WhatsApp for your business, or send us a message below.
- [Products](https://bitvoice.in/products/): BitVoice designs, builds and supports its own communication products in India: the TEC certified Voxdial IP PBX, Voxdial Contact Center, BitVoice AI Agents for 22 Indian languages and the WhatsApp Business API Social Media Platform, on premise or in the cloud.
- [Team BitVoice](https://bitvoice.in/team-bitvoice/): BitVoice Solutions is a voice technology company founded by Anil Mathew and Lijo V Joy, engineers with more than 30 years of combined experience in voice software. We design, build and support our own products: the TEC certified Voxdial IP PBX, Voxdial Contact Center, BitVoice AI Agents on our VEXYL Voice Gateway and LiteBot, and the WhatsApp and social media platform. Our philosophy: Determine, Deliberate, Deliver.
- [Contact Centre](https://bitvoice.in/contact-centre/): Voxdial Contact Center by BitVoice, human-first omnichannel contact centre software: your agents answer phone and WhatsApp calls first, a BitVoice AI voice agent picks up when no agent is free and passes the call back with a summary, busy queues send callers a WhatsApp or Instagram chat link, and your existing CRM plugs into the agent console with click to call and screen pop. Also call queues with priority routing, automatic callback for missed calls, live wallboard with service level, ASA and abandon rate, supervisor listen, whisper and barge, outbound calling and detailed agent and queue reports. Built by BitVoice on the TEC certified Voxdial platform.
- [IP PBX](https://bitvoice.in/ip-pbx/): Voxdial IP PBX is a PBX system made in India by BitVoice Solutions: a TEC certified IP PBX (MTCTE, Department of Telecommunications) business phone system that replaces an EPABX, with extensions, multi-level IVR, ring groups, follow-me, voicemail to email, time-based routing, call recording, call restrictions, paging and conferencing. Connects SIP trunks from Airtel, Jio, Tata and BSNL, PRI E1 lines and analog gateways, with zero-touch provisioning for Yealink, Grandstream, Fanvil and Cisco phones. Voxdial IP PBX, built by BitVoice.
- [Social Media Platform](https://bitvoice.in/social-media-platform/): WhatsApp Business API platform with one shared inbox for WhatsApp chats and calls, Instagram and web chat, chatbot flows with AI intent detection, bot-to-agent handover, bulk WhatsApp campaigns with personal variables, customer profiles, and an HTTP API for your CRM or ERP. Built by BitVoice, with LiteBot AI.
- [AI Agents](https://bitvoice.in/ai-agents/): AI voice agents for inbound and outbound calls in 22 Indian languages, with mid-call language switching, an auto-dialer for up to 50,000 contacts, SIP connectivity, self-hosted or cloud, from ₹0.85 per minute. Built by BitVoice on our own VEXYL Voice Gateway and LiteBot.


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