VoIP on Freerunner working properly (using linphone and SIP)
Brian Code
Brian.Code at koolu.com
Fri Sep 19 00:28:04 CEST 2008
All,
After reading through many postings and becoming increasingly
frustrated, I buckled down and found a way to get the command line
linphone working on OE based distros (tested on Qtopia, but should
work on 200x.x and others). Ideally this could be interfaced with the
dialer somehow.
Initial testing of this had the audio routed properly through the
earpiece and good audio from the microphone. There was some echo on
the non-Freerunner side, and on initial connection, a bit of a beeping
sound. Otherwise, it's a go. Linphone uses only about 10-12% CPU (was
using a PCM codec). Sound was decent to a cell phone in Canada using a
Wifi connected Freerunner based in Costa Rica.
Here is a quick and dirty how-to. Enhancements can be made to both the
voip-handset.state and asound.conf files (these were my initial
working scripts). Thanks to Celtune for the excellent repository that
is used below.
Regards,
Brian Code
Koolu
echo "src/gz celtune http://rabenfrost.net/celtune/ipk/armv4t" >/etc/
opkg/general-feed.conf
opkg update
opkg install libmediastreamer0
opkg -nodeps install linphone
opkg -nodeps install liblinphone2 linphonec linphone-rings
opkg install libexosip2
cd /etc/
wget http://www.koolu.org/asound.conf
wget http://www.koolu.org/voip-handset.state
alsactl -f voip-handset.state restore (This step required to set
proper audio parameters).
linphonec
soundcard use 0
proxy add
Enter proxy sip address: sip:sip.provider.com
Your identity for this proxy: sip:xxxxxxxxxx at sip.provider.com
Do you want to register on this proxy (yes/no): yes
Specify register expiration time in seconds (default is 600):
Expiration: 600 seconds or so
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