[general]
context=nexmo-trunk
register => <username>:<api_key>@sip.nexmo.com
nat=yes

[nexmo]
context=nexmo-trunk
fromdomain=sip.nexmo.com
type=peer
insecure=port,invite
nat=no
dtmfmode=rfc2833
allow=ulaw
allow=alaw
allow=G729

[nexmo-sip-01](nexmo)
host=5.10.112.121

[nexmo-sip-02](nexmo)
host=5.10.112.122

[nexmo-sip-03](nexmo)
host=119.81.44.6

[nexmo-sip-04](nexmo)
host=119.81.44.7

[nexmo-sip-05](nexmo)
host=169.60.141.29

[nexmo-sip-06](nexmo)
host=169.60.141.30


[nexmo-<phone_number>]
context=nexmo-trunk
username=<username>
defaultuser=<username>
secret=<api_key>
fromuser=<phone_number>
fromdomain=sip.nexmo.com
host=sip.nexmo.com
type=peer
insecure=very
qualify=yes
nat=no
dtmfmode=rfc2833
allow=ulaw
allow=alaw
allow=G729