Can the UC320 do failover for incoming & outgoing calls from FXO or FXS to SIP if FXO/FXS lines go d...

Will the Cisco 521g phones work with the Cisco UC320w even if they aren't officially supported?

I have a Cisco 521 that is connected to a UC520 system.When the phone boots, it says initializing ne...

I have a Cisco 521 that is connected to a UC520 system. When the phone boots, it says initializing n...

On the Cisco SPA5xxx phones (ie: SPA509g).....When an extension on a BLF dials a number, and the rem...

When all of my Cisco 509g phones boot, they generate a syslog error message (see below) that says SC...

I am running 3CX and running latest firmware on phones.

When our Cisco SPA509g and 525g2 phones reboot, some of them come backup with the BLF lights Orange....

I just wanted to let everyone know of a solution to an smtp routing issues I was having today....Wit...

I am running 7.4.6 firmware (one before the latest 7.4.7).

Sometimes when a user goes to answer a call on their headset, the call answers on their speakerphone...

I am trying to have the LED colors/blinking change on a Cisco 509g with latest firmware.I cannot get...

Does anyone know where I can get extra/spare/replacement handsets for the Cisco SPA5xx series?Thanks...

Thanks. I tried that and that helps a little. I also increased the DB on the headset & handset.Is th...

Are the handsets for the SPA5xx and SPA3xx phones exactly the same or were there changes in the SPA3...