Cisco Systems SPA9000 manual Multicast Addressing and Group Paging

Chapter 1 Using the Linksys Voice System

	SPA9000 Architecture
Table 1-1 Architectural Components
Architectural Component	Function
Internal music source	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.
Administration web server	Allows configuration and monitoring of the
	SPA9000.
ATA with 2 FXS ports	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.
Call park	The call park is used to maintain calls that are
	parked and can handle up to 10 calls
	simultaneously
Auto-Attendant	AA is a scriptable auto-attendant application that
	can handle up to 10 calls simultaneously

Multicast Addressing and Group Paging

The <Multicast Address> parameter on the PBX Parameters page defines the multicast address used by the SPA9000 and the SPA900 Series phones to communicate with each other. The default value is 224.168.168.168:6061. This address can also be set using the IVR option 181 and reviewed using option 180.

The <Group Page Address> parameter is used by the SPA9000 for group paging of all active client stations. The default value is 224.168.168.168:34567.

The SPA9000 can send the following messages to the phone group:

•Graceful Reboot

•Immediate Reboot

•Graceful Restart

•Immediate Restart

•Group Page Start

•Group Page End

•Get Ringing Calls

Client stations send multicast messages to the SPA9000 when they are looking for the configuration server.

	Linksys SPA9000 Administrator Guide
Document Version 3.01		1-13