Hello, It is possible to integrate a dtmf detector in linphone/linphonec. It's not easy. You have to create a MSFilter to scan for dtmfs (I hope you have signal processing skills), and put it in the stream defined in mediastreamer/audiostream.c after the decoder. Simon
Le Lundi 15 Mai 2006 03:40, Raju Abhyankar a écrit : > Hello, > > I have installed Linphonec (console version)on an ARM > based system. I can register with a proxy and then use > a keyboard to place calls to extensions in this proxy. > I am trying to create a ATA or "Analog telephone > adapter" type device and so would not have a computer > keyboard in such a setup. Instead I would now connect > a regular analog telephone via a SLIC chip to the ARM > board. The issue is now once the ARM based system > registers with the proxy, to dial say an extension 0 > of this proxy, I can only signal via DTMF tones from > the phone and they would be carried along with the > audio signal coming also on the "line in" or > microphone channel. This is because the phone has a > dial pad and it sends DTMF tone along with the audio. > > The question is, is there a way for linphonec (console > version) to detect and decode "in audio band" DTMF and > then generate a call to extension using the detected > DTMF? If some one has such a solution or a possible > answer please let me know. > > regards, > > Raju > > __________________________________________________ > Do You Yahoo!? > Tired of spam? Yahoo! Mail has the best spam protection around > http://mail.yahoo.com > > > _______________________________________________ > Linphone-users mailing list > [email protected] > http://lists.nongnu.org/mailman/listinfo/linphone-users _______________________________________________ Linphone-users mailing list [email protected] http://lists.nongnu.org/mailman/listinfo/linphone-users
