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 ...

Cisco Systems Inc.’s update to its CallManager IP PBX — introduced this week with native Session Initiation Protocol (SIP) support — will require broader ...

Centralizing your WAN architecture is a cornerstone of the strategy for capturing SIP Trunk savings. Cisco says: Keeping a distributed network may be the way to go. The consensus out of the SIP ...

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 ...

The move is designed to strengthen Cisco's VoIP solutions aimed at the broadband communications market, enabling service providers to build "subscriber aware" networks capable of delivering the next ...

Cisco has issued a new security advisory covering a vulnerability in Cisco Adaptive Security Appliance Software and Cisco Firepower Threat Defense software that could ultimately lead to a ...

Jonathan Rosenberg has left Skype as chief technology strategist and returned to Cisco to help the company better compete against video and collaboration start-ups and consumer-oriented businesses ...

I've never needed to do this with a network that had an ASA, but have done it with a Sonicwall. When setting up a FreePBX server behind a Sonicwall I needed to do the following: - Turn on Consistent ...

Researchers have found vulnerabilities in Cisco VoIP telephones, recently demonstrating how they can insert malicious code into a Cisco VoIP phone (any of the 14 Cisco Unified IP Phone models) and ...