Here is the suggested method for the 7920/Loud Ringer;
Downloading Loud Ring Tones
The Cisco Wireless IP Phone 7920 running on Cisco CallManager Release 3.3(3) SR 1 or later provides support for special loud ring tones. The loud ring tones play at 136 dBA after being initially played at 125 dBA for 2 seconds; these are intended for use in noisy customer environments that require loud ring tones.
To load the loud ring tones on the Cisco Wireless IP Phone 7920, follow these steps:
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...