[general] port =3D 5060 ; Port to bind to bindaddr =3D 0.0.0.0 ; Address to bind to A realm=3D192.168.0.2 context =3D default ;Default for incoming calls [5549] disallow=3Dall allow=3Dulaw allow=3Dalaw allow=3Dgsm type=3Dfriend ;(inbound and outbound calls accepted) secret=3Dlocalphone ; obvious password for testing host=3Ddynamic callerid=3DJason White <5549> dtmfmode=3Dauto mailbox=3D5549 ;(Asterisk VM-system's mailbox #) The output from sip set debug is attached, as captured earlier by the script command. Asterisk version 1.4.13, Debian GNU/Linux Sid (up to date); this phone has successfully registered with external Asterisk servers. Suggestions are much appreciated.