Polycom and Adtran AOS Geo-Redundancy Support

Background The Polycom SoundPoint IP SIP Phones and Adtran IADs are used for Hosted IP PBX Access Devices, managed by the BroadWorks platform. In a non-geographically-redundancy network, the devices use SIP to register to a single SIP SBC IP address. To support geographic redundancy of SBCs, the devices must support registration to multiple IP addresses. […]

Cisco Crowdsources Critical Announcements: SSL Certificate Changes on SPA-500 phones

The Cisco Small Business SPA-500 series phones (such as the SPA-502G, SPA-508G) include a Cisco-signed SSL certificate. Until very recently, all of the Cisco SPA-500-series phones shipped were signed by a Sipura certificate. Sipura was the Korean company that was bought by Linksys before Linksys was bought by Cisco. Sometime after August 2013, Cisco Small […]