[asterisk-users] BT - ISDN30 - International Calls not working, everything else is fine :(

[Mr Gabriel]

Dear All, 

Thank you for taking the time to read this post - I am *confused!* as to why my asterisk setup does not work as it should. I have an ISDN 30 connection for telephony, a Sangoma card, and asterisk installed. 

Incoming calls, and outgoing calls work 100%. Making an international call, results in silence, or the error message all circuits are busy 

Numbers being passed to the trunk for the call 

    • National is 020xxxxxxxx will result in 20xxxxxxxx being sent and dialled, which works 
    • Mobile is 07xxxxxxxxx will result in 7xxxxxxxxx being sent and dialled, which works 
    • International 00x[any number of digits] will result in 00x[any number of digits] which does not work 

I do not see why this does not work. I do know that for every call, the flag sent is national - how can I make sure the correct flag is sent for the call? By flag, I mean the TON, (type of number) 

Any assistance will be greatly appreciated. 

Thank you 
Mr Gabriel 
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