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SIP Advanced
General Settings
→
RoIP Advanced
Listen Port UDP: Applied listen port UDP, this column is to set up the Listen Port of gateway to
SIP signal
RTP Starting Port UDP: Enter the starting port number or transmitting voice data among VoIP
devices. Each line requires 2 ports.
(Ex. If the Port starts at 9000, then Line 1 will occupy Ports 9000 & 9001, Line 2 will occupy
9002 & 9003, and so on.)
SIP Transport Protocol: UDP, TCP, or TLS
General Settings
→
RoIP Advanced
Session Expiration: This field will set the time that the RoIP will allow a SIP session to remain die
(without traffic) before dropping it. Default 90.
Session Refresh Request: Select UPDATE or re-INVITE to send refresh requests to the Server.
Session Refresher: Choose the gateway as UAS or UAC.
General Settings
→
RoIP 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