Cisco System Inc.’s update to its CallManager IP PBX — introduced this week with native SIP support — will require broader upgrades to other network ...

Video killed the radio star, and now Cisco Systems is betting on it to help it sell IP telephony to large corporations. On Wednesday, the networking giant announced the latest version of its Internet ...

Cisco Systems Inc. says its Internet Protocol (IP) telephony system has earned Miercom’s highest security rating, after sustaining three days of grueling, round-the-clock tests conducted by ...

Envox CT Connect lets business applications manage, monitor and control calls across multiple locations within mixed telephony switching environments. The Envox CT Connect Gateway for Cisco ...

Cisco Systems Inc. announced a new line of products on Wednesday for its Internet Protocol (IP) communications system that the company said will make videoconferencing more affordable, better quality ...

Aiming to simplify telecommunications at small companies and branch offices of large enterprises, Cisco is now offering IP telephony software similar to its CallManager on routers made for or already ...

eWEEK content and product recommendations are editorially independent. We may make money when you click on links to our partners. Learn More. Cisco Systems Inc. is developing a voice-over-IP package ...

So, today I had our entire phone system crap out on me because, for an unknown reason, our Cisco 2851 Voice-Gateways decided to revert to an old configuration that didn't include an increased ...

Today as expected, Cisco announced they have finally embraced SIP (Session Initiation Protocol). The platform for doing so will be Cisco Unified CallManager5.0, the call-processing component of the ...

Lehman Brothers provides voice service to a global employee base from clusters of Cisco CallManager IP PBXs that reside in redundant data center facilities in Manhattan and Jersey City, N.J. The firm ...

Professional services include installation of new hardware and software, plus implementation, configuration, and migration of existing data for Call Manager. UCC Networks works hard to ensure upgrades ...