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 ...

Switzerland-based O-FONE (not to be confused with Microsoft’s oPhone) has released a SIP VoIP client for Symbian’s S60 platform. Perhaps more interesting than the client itself is their claim that ...

I saw some high-end, feature-rich, browser-directable SIP phones at Supercomm last week, those exploiting the favored Session Initiation Protocol for VOIP. They all made use of presence awareness, and ...

What the rise and evolution of the SIP endpoint has to tell us about WebRTC and clientless communications Today we hear a lot of talk about WebRTC and the disruptive potential of clientless ...

The K-1900-712L-IP vandal resistant VoIP SIP panel phone is equipped with a short 12-inch armored handset cable to reduce the risk of users harming themselves, their surroundings, or the phone itself.

Since September, CommWeb has been running interactive threaded messaging forums on CT topics every month. Recently our Roundtable titled “From PBX to IP Communications Appliances – Separating Myth ...

I'm looking for some wireless handsets to add to our existing FreePBX system for the service assistants who run around a lot- can be either DECT or WIFI. I checked the supported list on FreePBX and ...

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 ...

I've ran into a strange problem at one of my clients. They use shortlesky cloud IP telephony service and use Cisco 7960 IP phones. The configuration is done through IP SLA tracking. The phones do work ...