Topex MobiLink IP - VoIP-GSM Gateway

Hello everyone,

i’m new to freepbx, i’m trying to configure a Topex MobiLink IP - VoIP-GSM Gateway with freepbx. At this time i can correctly receive calls from the GSM box, but when i try to use GSM trunk we receive “service unavailable”. Could it be in Peer details the problem? i use this parameters:

type=peer
host=
fromdomain=
trustpid=yes
qualify=yes
port=5060
disallow=all
allow=alaw&ulaw
directmedia=no
insecure=port,invite
context=from-pstn
dtmfmode=rfc,2833

Thank you all for advices.

U try to use this wiki.topex.ro/index.php/Interconnect_with_Asterisk_IPPBX

Me too use same system but i have different error when i try to call cellular to asterisk
chan_sip.c:26449 handle_request_invite: Call from to extension rejected because extension not found in context ‘Mobilink IP’

Your trunk or inbound route definition is probably incorrect. Instead of using the context “Mobilink IP” you probably need to use “from-trunk” or “from-internal”, depending on how the unit is connected.