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I know it's way too late for the answer now, however I have had this problem by simply rebooting the MPS. The fix is to ask Cisco for the upgrade keys and upgrade the firmware to the latest one. If it's already up there, do it again. The firmware ...
What type of screen are you using, and consider the refresh rates.Two, if you are getting a jitter of 60ms than either check your CAT5e cables, and or your virtual machine can't handle the burst of packets. Sounds as though the gatekeeper is drownin...
You may also want to check the codec settings and make sure all of them are enabled (H.264, to H.261). Sometimes you may have to disable all but H.261 to verify if that is your issue....
Dial the endpoint using it's IP. Or, if you have a Gatekeeper and Gateway, than you may understand that an alias E.164 may be needed. If so dial the unit by it's alias, which is usually the last 4 digits of it's ISDN#.If the above is done and still...
