[asterisk-users] Quescom 400

[Giordano Grandis]

Hi all,
I just configured a quescom 400 to route all gsm incoming calls to
asterisk, now i would route all outgoing asterisk calls to gsm port of
the quescom. 

Anyone has any idea how implement it?

I did a configuration but i always get this error

    -- Got SIP response 503 "Service Unavailable" back from
<ip_add_quescom400>

Thanks in advance.

Giordano