I have a problem where I answer an inbound call on my E1 PRI and then transfer the call off-net over the same E1 PRI. It seems that CUCM does not fully release the call and two channels are used for this inbound / outbound transfer. Is there something I am missing on CUCM or on the E1 interface to allow or force off-net transfers to release and not hairpin or tie up channels?
I am running CUCM 10.5.2 with MGCP control of my voice gateway.
Thanks
