Zoom

This enables users to access the Zoom directory for internal calls and the ZPLS software works with a Ribbon session border controller (SBC) to route external calls to the PSTN. This happens either via a local SIP trunk or a local analogue line. Similarly, ...

ZPLS relies on the capabilities of Ribbon SBC platforms and the companies collaborated to test the ZPLS software with multiple Ribbon hardware and software SBC models. “The ZPLS software can stay in survivability mode for up to 30 days, during which directory-based calling, transfer, ad-hoc conferencing, and other key phone service capabilities are maintained,” explains Greg Zweig, the Director of Solutions Marketing at Ribbon. This enables users to access the Zoom directory for internal calls and the ZPLS software works with a Ribbon session border controller (SBC) to route external calls to the PSTN. ZPLS is only there to address impacts to Zoom Phone cloud access and during normal operations it is inactive but if there is an issue Zoom Phone clients and ZPLS-enabled devices enter survivability mode and register to the local module. The system runs on a virtual machine so it can be easily deployed on various computer platforms, allowing flexibility and simplicity. On the downside, though, it leaves businesses exposed if they lose connectivity to the cloud.