<div>I have an issue with transfering calls across that have arrived on the PSTN across the WAN to another phone locally.</div>
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<div>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.</div>
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<div>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. </div>
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<div>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.</div>
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<div>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. </div>
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