You are right it is ${CALLERID(num)}, it was just mistype write during creating the post, and we already edited and retyped it at the post... thank you to flag it..
Well for a2billing charge DID per minute is to submit it to a trunk, but before it goes to the trunk it need to be define the destination number so that it can go to the a2billing engine and charge it according with the prefix defined on the rates, so if the destination is specific number it will charge according with it, it means all number has calling to the DID will not have different charges, and this is what I´d like to avoid. I´d like a2billing charge different rates according with the CallerIDs. So if the destination can use the callerID we can create different rates for different prefixes and we can charge DIDs following the same way.
The issue is when I filed ${CALLERID(num)} at destination field it does not work...Really I don´t know if it occurs because the syntax or what ever.. Do you have any idea what is going on ?
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