Fast growing tech industry is flying under the radar. The market for SIP phones is both large and growing. Yet in every region of the world, the door is wide open for an additional for 2-4 phone ...

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 ...

Estimates are that SIP phone shipments will more than double by 2015, reaching around 4.7 million in units sold around the world. The SIP phone market has changed considerably over the last few years, ...

Session initiation protocol (SIP) trunking is an increasingly popular way for small businesses to minimize their phone costs and improve their telecommunication bandwidth, but it can be a difficult ...

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 ...

While setting up a SIP phone at home, I noticed something surprising - most SIP providers don't seem to offer any kind of encryption on the connection; both voice data and login data is done in clear ...

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, ...

Today as expected, Cisco announced they have finally embraced SIP (Session Initiation Protocol). The platform for doing so will be Cisco Unified CallManager5.0, the call-processing component of the ...