DTMFmode for SIP client configuration Syntax dtmfmode=inband Choices are inband, rfc2833, info or auto inband: This send tones as inband audio within the voice stream. The device that you press the key on generates the DTMF tones. – If the codec is not ulaw or alaw then the DTMF tones will be distorted by the audio compression and will not be recognised. If the phone is set for RFC2833 and asteris