[Freeswitch-users] No ringback for calls from cell phones

[Andrew Cassidy]

http://wiki.freeswitch.org/wiki/Variable_ringback


On 1 October 2013 01:00, Siri MM <sirimmfs at gmail.com> wrote:

> Hi,
>
> I am using FreesWITCH with Sangoma 102 and E1 connection. When I make a
> call from a fixed number to one of the internal extensions, ringback can be
> heard on the fixed number. However, when I make a call from a cell phone,
> although the internal extension rings, I cannot hear any ringing on the
> cell phone. I have tried two different mobile phone operators, but the
> result is the same. I have tried specifying the channel variables such as
> ringback and transfer_ringback int he dialplan, but doesn't help.
>
> Any pointers on how to debug this? Could it be the telco, in between the
> cell phone operators and FS,  causing this?
>
> Thanks!
>
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*Andrew Cassidy BSc (Hons) MBCS SSCA*
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