Is it worth Elastix and IP phones do not work in tone mode when making an outgoing call? Who can tell how to solve the problem?

Question

Telephony

Hello. Is it worth Elastix and IP phones do not work in tone mode when making an outgoing call? Who can tell how to solve the problem? There are also ordinary phones connected via a VoIP gateway, everything works on them.

Answer 1

see in what mode DTMF transmission is configured in ip-phones
, usually it is enough to set it in RFC-2833