[Asterisk-Users] TerraCall Setting

[cary at cary.net]

Dear All,

My Asterisk PBX sip.conf for TerraCall setting as the follow:

register => xxxxxxxxxx:xxxxxx at xchange.terracall.com/xxxxxxxxxx

[terracallcom]
type=friend
username=xxxxxxxxxx (10 numbers)
secret=xxxxxx
fromuser=xxxxxxxxxx
fromdomain=realm.terracall.com
host=xchange.terracall.com
nat=yes
canreinvite=no
context=private

I tried to dial out, the reply is follow:

May 25 17:59:55 NOTICE[1142135600]: Failed to authenticate on INVITE to
'"xxxxxxxxxx" <sip:xxxxxxxxxx at realm.terracall.com>;tag=as6f19e84d'

May 25 18:00:00 WARNING[1142135600]: Maximum retries exceeded on call
5365be3a5a10efa50fc825c83d54b36f at xxx.xxx.xxx.xxx for seqno 103 (Critical
Request)
May 25 18:00:00 WARNING[1142135600]: Maximum retries exceeded on call
5365be3a5a10efa50fc825c83d54b36f at xxx.xxx.xxx.xxx for seqno 104 (Critical
Request)

I tried to change the host to ip address, but same reply.

What's wrong?

Anyone can help me?

Thank You.

Cary LEUNG