31
Item
Description
Listen Port UDP
The listen port of VoiceCom90
RTP Starting Port UDP
The initial value of port number for transmitting voice data
among VoiceCom90(s). Each line requires 2 ports. It is not
necessary to change these.
For example, If the starting port is 9000, then Line 1 is using
9000 and 9001, and Line 2 is using 9002 and 9003.
Session Timer
Item
Description
Session Expiration
It is to avoid the billing of abnormal dropping the call because
of Internet. The default is disabled.
Session Refresh Request
The method used for Session Timer.
Session Refresher
The role VoiceCom90 plays in Session Timer. UAS is an
originator, and UAC is a replier.
SIP Timeout Adjustment
Item
Description
SIP Message Resend Timer
Base
The system will send two packets to Proxy Server every N
seconds you set. That will VoiceCom90 will re-send SIP
Protocol packet as it does not get response from remote party.
That is the time base of the interval.
Max. Response Time for
Invite
Time for Invite: VoiceCom90 will play busy tone, if it can’t
connect to remote party in the interval after the first invite.