Weird issue here. I have a Cisco 7962 with a Plantronics C55 headset attached. The headset is wired through the headset port on the bottom of the phone and ...

Concordia's IT department will be performing scheduled firmware upgrades on October 02, 2016 from 9:00 a.m. until 11:00 a.m. Affected phone models include: Cisco 7911 Cisco 7942 Cisco 7962 Each phone ...