[cisco-voip] Transfer issue PSTN calls across the WAN

[Jonathan Charles]

there are almost too many things to check here, but let's start with
the basic stuff.

This is unlikely a transcoding issue (unless you have SIP trunks).

Are the gateways MGCP or H.323?

Are there any SIP connections?



Jonathan

On Tue, May 27, 2008 at 6:49 AM, Nick <csvoip at googlemail.com> wrote:
> I have an issue with transfering calls across that have arrived on the PSTN
> across the WAN to another phone locally.
>
> The set up is remote site with centrally based call managers, using G729 for
> calls to the HQ, inbound and outbound calls are placed across the WAN using
> the PRI's at HQ. I also have a local E1 used for inbound calls for there old
> DDI's and for SRST.
>
> If a call comes into the DDI on the PRI at HQ to a phone at the remote
> office and I try to transfer to another phone within the remote office then
> the call I am trying to transfer the call to get's an engaged tone.
>
> If however I call the old DDI on the PRI which are local to the remote site
> and then transfer the calls locally, this works fine.
>
> Is this because I am trying to transfer a G729 call to G711 local handset.
> Do I need to set up some transcoding for this to work. I have had to set up
> the hardware conference bridge on the router so I can place conference
> calls.
>
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