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Unity 7.0 CUCM 8.1 AD configured. What typical events will cause Unity to go to failover mode? Not seeing anything helpful in event logs or services.

We are using Berbee. When I page over the WAN, the text works, the audio does not. We have implemented Multicast routing. Not sure it's setup right. Any ideas why text works and audio does not?

I need to block a residence from being called by anyone on my switch. How do I accomplish this?

I need to be able to use the Cisco 7960 IP phone for building wide paging. Who has a product that will accomplish this without having external speakers hooked up?

We are experiencing an intermittent error on our VoIP phones stating Not enough Bandwidth and not allowing calls to go through. I thought I had this setup so local calls went to the PSTN circuit. Why would I get this error and how do I fix it? I'm not getting a lot of clear response from my...

There is a two part cable that connects an ISDN card in a Definity switch to a CISCO switch. We have the half of the cable from the ISDN card to a male DB15 connector. We thought we found the right cable to complete the connection. However, when we plug it in, we get nothing. I feel the...

I need to install Cisco Call Manager in a lab so I can get familiar with it before we go live with it. I have a Compaq server. When I put disk 1 in and boot the server, I get a message 'The OS version that supports the detected server is 2000.2.4'. Is there a way to get past this block? If I...

We have moved some of our switches around and didn't document too well what subnet they were on. Yep, I'm an idiot. So what do I need to do to get the switch back to factory defaults so I can telnet into the switch. I don't have the proper cable/adapter where I'm at right now. Thank you for...