What is a PRI Line? E1 PRI Explained for Indian Businesses
What a PRI line is, how an E1 PRI carries 30 calls, how it connects to an EPABX or IP PBX, PRI…
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Tag: Office phone system
What is SIP? SIP Protocol Explained for Business Phone Systems
What SIP is, how a SIP call works (REGISTER, INVITE, RTP), SIP vs VoIP, ports 5060 and 5061, SIP trunks vs extensions,…
IP Phone Directory: Build a Company Phonebook That Stays Current
Ways to build a company phonebook for IP phones: local contacts, remote XML, LDAP and PBX lists, plus display names, speed dials…
Outbound Caller ID (CLI): Set the Right Number for Every Call
How outbound caller ID works on an IP PBX: trunk, route and extension caller IDs, DIDs per department, Indian CLI rules and…
Do Not Disturb (DND) on an Office Phone System: Setup Guide
How DND works on an office phone system: one feature code, a fallback for every extension, BLF for reception, and how it…
Emergency Calls from a PBX: Dialling 112 from Office Phones
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
Plan structured cabling for IP phones: outlets, Cat6 vs Cat6A, the 100 metre limit, PoE power budgets, patch panel labels and analog…
How Many SIP Channels Do I Need? Sizing a SIP Trunk with Erlang B
Work out how many SIP channels you need from busy hour calls and call length with Erlang B, with worked examples, bandwidth…
IVR Greeting Script Examples and Tips for Recording Prompts
Ready IVR greeting script examples for welcome, menu, after-hours, holiday and queue messages, plus tips for recording prompts and loading them into…
EPABX vs IP PBX: Which Office Phone System Should Indian Businesses Choose?
EPABX or IP PBX? A plain-language comparison of lines, extensions, branches, recording and cost, and the signs it is time for Indian…