So I've inherited a client that has a pretty slick Cisco IP phone setup. They are using Unity for voicemail and Unified Communications Manager for phone stuffs. The problem is my background is all ...

Office phones have come a long way in a relatively short time. With the introduction of Internet Protocol phones, new features make those devices more akin to computers than simple phone systems.

Survivable Remote Site Telephony (SRST) is a Cisco Unified Communications Manager (CUCM) call processing backup mechanism that allows Cisco IP phones to register to a Cisco router. A Cisco router in ...

I just purchased new Cisco 7940 phones and tried to load the SIP 7.4 firmware to run with Asterisk@home 2.2. I'm not sure where I went wrong, but I uploaded the SIP firmware to the TFTP directory on ...

This lesson introduces and describes the role, architecture, hardware and software requirements, and the licensing model of the CUCM. Cisco Unified Communications (UC) is an IP-based communications ...

John Breeden II is an award-winning reviewer with more than 20 years of experience covering technology. Follow him on Twitter @TheLabGuys. Office phones have come a long way in a relatively short time ...