provided by Star2Billing S.L.

Hello friends

i have configure the a2billing and freepbx.
i have also configured SIP and ZAP trunks in freepbx. and SIP friends in a2billing.
my ZAP trunk (E1 PRI) is connected with GSM.

now i am able to call from SIP extension of freepbx to ZAP trunk.
and using SIP friend of a2billing i am able to call PSTN line thru provider. it is woking fine.

but i am not able to make a call using SIP friend of a2billing to ZAP trunk.
IVR is comming up to the announcement of number of minutes i can talk.
after that the zap channel is hangups.

please help me. i dont understand where is the problem.