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 ...

Aiming to let enterprises do more with their IP (Internet Protocol) telephony systems and keep them available when a network goes down, Avaya introduced new software, phones, and a gateway at this ...

Anyone have a recommendation for a SIP Client? I tried Zoiper a while ago but it wasn’t reliably picking up. I want to have an offic3 assistant phone, primarily for getting texts and occasional calls ...