D-Link DVG-5112S User Manual page 58

DVG-5112S User's Manual
Session Expiration: This field will set the time that the VoIP Telephone Adapter will allow a SIP
session to remain die (without traffic) before dropping it.
Session Refresh Request: Select UPDATE or re-INVITE to send refresh requests to the Server.
Session Refresher: This determines which side of an expired call session will initiate the session
refresh. uac – specifies that the Caller side will initiate the session refresh. uas – specifies that the Call
receiver (the "Callee") will initiate the session refresh.
ADVANCED → VoIP → SIP Advanced
SIP Message Resend Timer Base: Select the resend timer base from the drop-down menu if response
is not received within the base time. The sequence of sending is like "base time" * 2, and send again at
"base time" *2 *2. The maximum resend time is four seconds. Resend action will stop when the total
resend time has reached 20 seconds.
Max. Response Time for Invite: Enter the maximum response time for INVITE packet. When the
destination does not reply within the set time, the call is failed.
ADVANCED → VoIP → SIP Advanced
VoIP Failure Announcement: Check the box to play a voice announcement if the VoIP Telephone
Adapter fails to register to the SIP proxy server while FXS is off-hook.
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ADVANCED