Cisco Small Business Pro SPA9000 Administration Manual page 173

Advanced Topics in SPA9000 Administration
SPA9000 Architecture
SPA9000 Voice System Administration Guide
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Architectural Component
SIP proxy and Registrar server
Media proxy server
Configuration server
Application server
Internal music source
Administration web server
ATA with 2 FXS ports
Call park
Auto-Attendant
manuals search engine
Function
Accepts registration from client stations
and proxies SIP messages.
Proxies RTP packets between client
stations and proxies SIP messages.
Serves configuration files to client stations
and auto configures un-provisioned client
stations.
Supports advanced features such as call
park/pickup, directory, directed call pickup
and group paging, hunt groups, and shared
line appearances.
Streams audio files to client stations (both
on-net and off-net).
The FXS1 and FXS2 can optionally be
connected to an external music source to
act as a streaming audio server (SAS).
When working in this mode, each FXS port
can handle up to 10 concurrent calls.
Allows configuration and monitoring of the
.
SPA9000
Each FXS port can be connected to analog
phones, fax machine, or an external music
source. Each port can support up to two
calls simultaneously. The FXS ports can only
register to the internal proxy server.
The call park is used to maintain calls that
are parked and can handle up to 10 calls
simultaneously
AA is a scriptable auto-attendant
application that can handle up to 10 calls
simultaneously
A
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