Toll-Free Numbers will most often need an inbound caller ID to terminate the call properly. Often cell carriers will pass the pilot number of their clients local rate centre instead of their actual number. This is the wrong inbound caller ID you are seeing on Toll-Free number. The wrong caller ID you're getting wo…
This is most likely caused by the fact that when a Toll-Free number is ported away. The Toll-Free provider is not required to inform the losing carrier of the port away request. So what happens is that if you call the Toll-Free number from the PSTN, the off-net calls are routing properly via the Toll-Free provider…
When calling a Toll Free number from your VoIP line and it is not completing, but if you call the same Toll Free number from an off-net line it completes. The most likely issue is the caller ID you are sending in your invite. Most Toll-Free providers require that calls to them have a valid Caller ID, as they use …