SIP Trunking Avaya ( version 11+ ) with 3CX.

[fkalpana]

We have updated the previously published document with updates including Avaya 11+ and 3CX version 18.
You can read it here.

Previous thread https://www.3cx.com/community/threads/3cx-trunk-with-avaya-ip-office-500-v2.54249/

Let us know if you face any problems. Ready to help. send email to [email protected]