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Core Components of the SPA9000
• SIP Proxy and Registrar Server
– Accepts registration from client stations and proxies SIP messages.
• Media Proxy Server
– Proxies RTP packets between client stations and proxies SIP messages.
• Configuration Server
– Serves configuration files to client stations and auto configures un-provisioned
client stations.
• Application Server
– Supports advanced features such as; Call Park/Pickup, Directory, Directed Call
Pickup and Group Paging.
• Music on Hold Server
– Streams Audio Files to User’s Phones (Both On-Net & Off Net).
– Optionally: An External Server May be Used for Music on Hold
• Web Server
– Used for Configuration and Monitoring System Settings
• ATA with 2 FXS Ports
– Each FXS port can be connected to analog phone or fax machine.
– The two FXS ports can only register to the internal proxy server.