[Asterisk-Users] inband dtmf on ploycom ip501?

Tue Nov 1 08:05:38 MST 2005

Damon Estep wrote:
> Anyone have any hints on how to get the polycom ip501 to send dtmf
> inband, our upstream providers require inband and the native rfc2833
> format of the polycom does not work.
> 
> Is there a way to get asterisk to send inband to a SIP peer when it
> receives rfc2833 form a sip user?

You realize that inband DTMF only works if you use the ulaw or alaw 
codecs, right?