We have SPA9000,400,942,504,525 configured. We are getting distorted sound when the call is on hold, uploaded MOH file is through tftp server in .dat format, less than 1 min at 8000hz as documented. The .dat audio file has been played and checked on media player, its working. Please find the attached configuration.
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...