Hello all.     I had a strange issue when integrate a PRI gateway (2921) back to CUCM 9 use SIP trunk. A CUCM user can't put an PSTN incoming call to hold. The PSTN holdee gets dropped after 10 seconds. Compare the mid-call invite sent from the CUCM ...

We have a vg 224 configured as sccp to connnect to fax machine and the incoming PRI was controlled by Cucm 8.5 via MGCP. And tried all combinations, the RICOH machine still gets smudged lines intermittantly. Here is the configuration of vg224. Please...