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, ...

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 ...

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 ...

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 ...

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 ...

They could also use nearly every SIP phone ever designed, and we were pleasantly surprised to find that these units had similar results when we tested their performance and operation using the Spirent ...

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, ...