> Locally, I'm using SIP INFO (and it works just fine). However, my > client told me that in the live environment, SIP INFO and RFC 2833 are > not available. The application will directly connect to a carrier, and > they won't do DTMF detection for us. What do you mean with live environment? At least every sip-thing I know supports info or rfc2833... And notice you can't use inband whith compressed codecs... -- Sa?l -- "Nunca subestimes el ancho de banda de un cami?n lleno de disketes." ---------------------------------------------------------------- http://www.saghul.net/