Added is a visio shema of the current situation. Now what I would like to know is how I can make phonecalls with an IP phone to an external number e.g.: in belgium a call to 09 377 66 22. Or how can I link the existing pabx with ISDN and PSTN lines to the callmanager. So in general how do my ip phones get a "real" telephone number.
Hi, you ask for DID service to telco. They can call it a different name, but the essence is the same: individual contiguous numbers off a block.
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