Linksys SPA9000 Administration Manual page 88

Administering the SPA400 and Voice Mail Service
– Leave the RTP Port at the default value of 10000.
block of UDP ports that the SPA400 uses to send and receive RTP and RTCP packets.
– Leave the Session Timer fields at the default values: Enabled with 0 seconds in both
Refresh Time fields.
5. Click Save Settings at the bottom of the page.
6. Click Setup tab > Voice.
7. Enter the following settings:
• Preferred Codec: Select G.711u.
• Packetization: Choose 30ms from the Packetization drop-down list for G.711U.
• VAD: Choose OFF from the VAD drop-down list for G.711U.
8. Click Save Settings at the bottom of the page.
9. To restart the SPA400, complete the following steps:
a. Click Administration tab > Reboot.
b. Click the Restart System button.
c. When the confirmation message appears, click OK. The SPA400 reboots.
d. When the Reboot OK. Go to Setup page? message appears, click OK.
10. If you are using this SPA400 as a PSTN gateway, connect the RJ11 cables from the SPA400 to
the wall outlet for PSTN access.
11. To verify your progress, perform the following tasks:
• Click the Status tab, and confirm that the SIP registration status is Registered.
• If you connected PSTN lines to the ports on the SPA400, confirm that you can place an
external call to the phone number that is associated with the PSTN line. The call is
directed according to the Contact List. Also, in the SPA400 web configuration page, click
the Status tab, and then verify that a voltage value appears in the Battery Level section.
Linksys Voice System Administration Guide
Configuring a SPA400 to Interoperate with the SPA9000
This port is the base UDP port for the
SPA400 Setup > Voice
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