Linksys SPA400

SPA400 Internet Telephony Gateway with 4 FXO Ports
Administration and Configuration Guide v1.0
SPA400 Internet Telephony Gateway with 4 FXO Ports – Administration and Configuration Guide v1.0
© 2006 Linksys
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SPA400 Configuration Utility Menu Options
Advanced menu items for the SPA400 are set through the Web-based Configuration Utility.
Setup: Basic Setup
Data – Network Setup
Dynamic IP Address
Check this button for obtaining networking parameters from a DHCP
server
Fixed IP Address
Check this button to allow the SPA400 to be configured with a Static
IP address
IP Subnet Mask
Subnet mask
Gateway IP Address
IP address of the Gateway/Router
Data – Domain Name Server Address
Primary DNS
IP address of the primary domain name server
Secondary DNS
IP address of the secondary domain name server
Data – NTP
NTP Server
IP address or FQDN of a NTP server
Time Zone
Select the time zone
Setup: SPA9000 Interface
Data – SPA9000 User ID
User ID
The User ID of the SPA9000. Must be identical to the User ID
configured in the SPA9000 Line # tab
Discover Automatically
Select this radio button if you want the SPA400 to learn the SPA9000
User ID from the SIP Registration packet sent by the SPA9000. You
will need to specify the SPA9000 IP address and the UDP port. The
SPA400 listens for the SIP Registration request from SPA9000. ..
Static Address
Select this radio button to enter the IP address of SPA9000
“Static Address” means the SPA400 won’t automatically discovery the
SPA9000’s IP address and port number. User has to specify it in the
“IP Address” and “Port” fields. It also means SPA400 will only accept
the SIP message from this address.
IP Address
IP address of the SPA9000
Port
UDP port number that SPA9000 registers its User ID to SPA400
Data – Port ID Each line port on the SPA400 may have a unique ID to allow the SPA9000 to identify incoming calls from PSTN
Port ID 1
ID of port 1
Port ID 2
ID of port 2
Port ID 3
ID of port 3
Port ID 4
ID of port 4
Data – Signaling
Signaling Port
UDP port that SPA400 listen for incoming call setup request
Data – RTP
RTP Port
Base UDP port that SPA400 uses for RTP and RTCP. SPA400 uses a
block of UDP ports for sending/receiving RTP and RTCP packets
starting from this port number.
Data – IP ToS/DiffServ
Call Signaling Packets
TOS field in IP header for outgoing SIP packets
RTP Packets
TOS field in IP header for outgoing RTP/RTCP packets
Data – Session
Enable Session Timer
Check this button if you want the SPA400 to encode the Timer header
in all INVITE requests for ringing timeout.
Desired Refresh Time
Desired session timer in seconds.
Minimum Refresh Time
Minimum value of the session timer, in seconds, that SPA400 prefers.