We are using SPA-841 model SIPURA phones in our office. Today I have seen in our office that, one of the IP phone was showing S.O.S Phone in Receovery mode. Actually we didn't done any firmware updations as per well knowledge. Our current software version in other phone shows 3.1.4(a). We would like to fix that phone work back to normal.
Configure Multicast Paging on the Cisco IP Phone 7800 Series or 8800 Series Multiplatform Phone
The Cisco IP Phone 7800 and 8800 Series Multiplatform Phones provide voice communication over an Internet Protocol (IP) network...
Add Call Park on a Cisco 7800 or 8800 Series Multiplatform Phone Key Expansion Module
Call park allows the user of the phone to put an incoming call on hold so that the call can be retrieved on another phone. A call is park...