Howto:Does Innovaphone Gateway with v.6 firmware support RFC 2833 to provide SIP DTMF relay? Thanks.
YES we support
SIP in-band DTMF and
SIP out-of- band DTMF
according to RFC 2833
YES we support
SIP in-band DTMF and
SIP out-of- band DTMF
according to RFC 2833