--------------------- pjsip.conf --------------------- [transport-udp] type=transport protocol=udp bind=0.0.0.0 [7001] type=endpoint transport=transport-udp context=IS disallow=all allow=ulaw auth=7001 aors=7001 [7001] type=aor max_contacts=1 contact=sip:7001@192.168.9.142:5063 ; Line 4 on my phone is setup for port 5063. ; I have also tried without this setting and am seeing the exact same scenario [7001] type=auth auth_type=userpass password=1234 username=7001 --------------------- extensions.conf --------------------- [general] static=yes writeprotect=no autofallthrough=yes clearglobalvars=no [globals] CONSOLE=Console/dsp ; Console interface for demo IAXINFO=guest ; IAXtel username/password TRUNK=DAHDI/G2 ; Trunk interface TRUNKMSD=1 [IS] exten => 1,1,Verbose(1,Unrouted call handler) exten => 1,n,Answer() exten => 1,n,Wait(1) exten => 1,n,Playback(tt-weasels) exten => 1,n,Hangup()