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 ...

If you've been looking around for a solid VoIP/SIP client for the iPad or iPhone, consider CounterPath's Bria. The three most important considerations for any softphone app are call quality; call ...

Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you're buying the best. Find out more about how we test. Yealink was established in 2001 in ...