Cisco SIP based phones have SIP extensions that use the SIP protocol for Cisco proprietary operations like registering a Cisco SIP phone by MAC Address. This blog will take a high level look at ...

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 ...

Layer 7 switching isn’t just for Web servers anymore. Two companies are working to integrate the technology into voice-over-IP networks for corporations and service providers. The ability to route ...

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