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 ...

Phase 0 testing: Run tests on phones as configured on one PBX: Asterisk. This is to validate basic “phone is not broken” behavior. Phase 1 testing: Move phones to the PBXs as assigned. Make calls, ...

Why Most Buyers Can Ignore the Question of SIP vs VoIP Your email has been sent Discover the differences between SIP vs VoIP and why those differences don’t really matter that much during the buying ...

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 ...