You can configure the following types of services on the SPA9000 line interfaces:
Up to 16 DID numbers can be supported on each line interface.You can configure different ITSP accounts on different line interfaces.
You can configure a line interface to register the SPA9000 witha SPA400 to support PSTN lines.
SPA400 voice mail service:
You can configure a line interface to register theSPA9000 with a SPA400 to support voice mail server. This SPA400 should have no more than two PSTN lines connected. If more than two PSTN lines and voice mail are required, you should reserve one SPA400 exclusively for voice mail. Exceeding these guidelines will affect the quality of voice mail playback and command recognition.
You can configure a line interface to register the SPA9000 with a Mediatrix® 4400 ISDN BRI Digital gateway.
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...