[Asterisk-Users] dtmfmode=auto, but doesn't work

[Kevin P. Fleming]

Aryanto Rachmad wrote:

> Why does it not work as the wiki said?

It does work exactly as the wiki said. The SIP peer did not offer to
send/receive RFC2833, so we assume it wants to use inband DTMF. However,
inband DTMF _does not work_ over G.729 codec, so you get a warning.