Asterisk/sip.conf
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General section
[general] context=default bindaddr=0.0.0.0:5090 srvlookup=yes language=de
register => username:secret@host/callbackextension
Manufacturer templates
[snom](!) language=de host=dynamic dtmfmode=inband ;mailbox=?? subscribemwi=yes vmexten=voicemail disallow=all allow=ulaw [grandstream](!) nat=no host=dynamic directmedia=yes dtmfmode=info call-limit=1 disallow=all allow=ulaw allow=alaw allow=g723.1 allow=g729 ;callingpres=allowed_passed_screen
Phones
[11](snom) type=friend secret=pw11 [12](snom) type=friend secret=pw12 [13](grandstream) type=friend secret=pw13
Trunk
[4319377e2] type=friend context=incoming username=4319377e2 fromuser=4319377e2 secret=Npbs2D host=sipgate.de fromdomain=sipgate.de insecure=port,invite caninvite=no canreinvite=no nat=yes
Other parameters
dtmfmode = rfc2833 ;info, shortinfo, inband, auto