Top "Dtmf" questions

Sending DTMF tones over the uplink in-call

I'm working on a project that requires my app to be able to send DTMF tones on the voice's uplink …

android telephony internal dtmf in-call

"RFC 2833 RTP Event" Consecutive Events and the E "End" Bit

Why do I get a dtmf sound when the E bit is 0 and no sound when it is 1? (RTP packets …

voip rtp dtmf

What is AudioFlinger and why does it fail TONE_PROP_ACK?

In my application I issue the following statement: toneGenerator.startTone(ToneGenerator.TONE_PROP_ACK, 600); Which works very well on a …

android android-audiomanager dtmf audioflinger

Asterisk ignores DTMF during all calls - cannot use keypress features

Asterisk 1.4.21.2 under uClinux on an ATCOM IP01. (EDIT: as an aside, I don't think it's possible to upgrade Asterisk to …

asterisk transfer phone-call dtmf uclinux

Detect DTMF Tones C#

I have wav file in which using the naudio lib i have been able to get raw data out of …

c# dtmf

SDP Offer/Answer model with DTMF rtpmap/fmtp mismatch

Imagine an offer SDP which has one line of "m" containing codecs 8 and 101 for DMTF marked as sendrecv: m = audio 35904 …

sip sdp dtmf