Operator Console for Your PBX: Features, Shortcuts and Set-up
What an operator console is, why busy front desks need one instead of a desk phone, and how the Voxdial operator console…
Blog
Category: IP PBX
Guides on IP PBX systems for Indian businesses: choosing, installing and running a PBX, features, SIP trunks, call control and security.
Call Forwarding on a Business Phone System: Types and Setup
Unconditional, busy and no-answer call forwarding, do not disturb, forwarding to mobiles and what it costs, and how to set it up…
DID Number in India: What It Is and How to Route It
What a DID number is, how Indian businesses get DIDs on SIP trunks and PRI lines, and how to route each one…
Upgrade an Old EPABX to IP PBX: A Step-by-Step Migration Plan
Replace an old EPABX in phases: survey, keep analog phones on VoIP gateways, move PRI and analog lines, pilot group, floor-by-floor cutover…
PBX Backup and Failover: Keep Your Phones Running in an Outage
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
What a good EPABX AMC covers: preventive visits, firmware, backups, response times, spares and remote support, with a checklist and questions for…
VoIP One Way Audio: Causes and a Step-by-Step Fix Checklist
Why one side of a VoIP call cannot hear: NAT, SIP ALG, blocked RTP ports, codecs. A checklist for the router, the…
VoIP QoS and Voice VLAN: Network Setup for Clear IP Phone Calls
Set up VoIP QoS and a voice VLAN for IP phones: DSCP EF 46, LLDP-MED, bandwidth per codec, latency and jitter targets,…
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…
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,…