I have a customer who wants to implement a VoIP solution on an MPLS network. Will the 1800 series router work in this environment or would they need a different router? If not what would be the minimum router they would need?Thanks for the help.
I am setting up a video admin serveri want to add my 3745 router 12.3 8T which is running as a gatekeepernot sure which type of gatekeeper to pick from the list ?cisco gatekeeper 50 , 100, 200 300or other ?thanks for any adviceJeff
So for some reason today the music on hold for external callers stopped working. I can call an internal extension, put that phone on hold, and I hear the music fine. What's up with that? I tried resetting the gateway and the phones. Didn't work.R...
I have a remote user connected PIX-PIX to our CallManager who can call internally with no problems. When they go thru PSTN he gets one-way audio, can be heard by other end but he can't hear the other end. It doesn't matter who initiates the call - sa...
I want to install a 2651XM gateway/Gatekeeper into a DMZ of my firewall so that Internal Polycom devices can register and communicate to both internal Polycom devices and external video conferencing devices. Trouble finding out how to do this? What...
I have a voice gateway with 4 PRI's on it. 3 of them are tied together and one of them is separate. For the 3 that are tied together I have 3 dial-peers that send all outgoing calls out each PRI using prefrences on each DP.The problem I have is tha...
Dear all,I need an information due to upgrading CCM from v4.2 to v5.1I have MCS7825-I2. It is applicable for windows OS, or just Linux OS is supported.also i am not sure if IBM server can run Linux.Regards,
Hi All,I have a 3511-E MCU with the MP using 4.2.10 and the EMP using 4.2.8_1.The issue that I have is that whenever I create a conference by dialing in the call is terminated after about 5 seconds. If I dial one of the service prefix's (eg.1889) an...
Hello everyone,I am integrating a router with a Nortel PBX . When call are being make the user gets a busy signal. When I did the debug I realize that the router is getting a release message from the PBX. I am not sure can be done to resolve this. I...
Hi All; How can I configure SDM in CME in order to not block SIP trunking and allow voice media and signaling pass through firewall? which protocols and ports should I open? thanks and very appreciateAlex
What are the best books to Learn Video Conferencing Theory and Practice nowadays? We use PolyCom systems, and the books I have found seem to be very general. What are experts using for references nowadays?
1. Problem: ICD silent monitor down due to Cisco Desktop VoIP monitor server won't start2. Service manual start error: When manual start the service, gets the following error: Could not start the Cisco Desktop VoIP Monitor Server service on Local Com...
