[general]
sipdebug=yes
context=default
transport=udp
allowguest=no

[sipphone](!)
type=friend
host=dynamic
disallow=all
allow=ulaw
nat=no
directmedia=yes
context=from-internal

[6001](sipphone)
secret=6001
callerid=Alice <6001>
[6002](sipphone)
secret=6002
callerid=Bob <6002>
[6003](sipphone)
secret=6003
callerid=Charlie <6003>
[6004](sipphone)
secret=6004
callerid=David <6004>