We experience poor voice quality between IP phones at 2 sites connected by 2M MPLS link. The call statistics show packets lost (RxLost) but no packets discarded. Voice packets are not prioritised in router due to cost issue, but bandwidth utilisation...

Our cluster is 6.0.1.1000-37. Received the message "call cannot be completed as dialled..." when trying to call extension in another cluster. Users in the other cluster (4.3) could call me. The trunk call has been working fine for over a year. Have a...

We have 2 Nokia E51 registered to CUCM 6.0. A third Nokia E51 does not register with CallManager, even though it can connect to the voice wireless network. This E51 is installed with Nokia ICC Client 1.1, and SCCP and internet telephony profile are c...