Provisioning of Avaya 9601, 9608G, 9611G, 9621G and 9641G

Provision your Avaya IP Phones to use with 3CX

More Support for Legacy Phones

3CX offers support for various legacy phone models.

How to Make Calls Using Fanvil C62/C58

How to Make Calls Using Cisco 7940/7941/7960/7961

How to Make a Conference Call Using Yealink T21/T22/T26

How to Make a Conference Call Using Yealink T19P

How to Make Calls Using a Snom 320/360/370

How to Make Calls Using a Snom 870

How to Check Your Voicemail Using Yealink T21/T22/T26

How to Make Calls Using a Yealink T21/T22/T26