User Guide

15
R26B
Admin Guide
3.4.2.2. SIP Server 1&2
Server IP 1: To enter SIP server’s IP address or URL.
Server IP 2: To display and configure secondary SIP server
settings. This is for redundancy, if registering to primary SIP server
fails, the phone will go to secondary SIP server for registering.
Registration Period: The registration will expire after registration
period, and the phone will re-register automatically within
registration period.
3.4.2.3. Outbound Proxy Server
An outbound proxy server is used to receive all initiating request
messages and route them to the designated SIP server.
3.4.2.4. Transport Type
To display and configure transport type for SIP message.
 UDP: UDP is an unreliable but very efficient transport layer
protocol.
 TCP: Reliable but less-efficient transport layer protocol.
Figure 3.4.2.2 SIP server 1&2
Figure 3.4.2.3 Outbound proxy server
Figure 3.4.2.4 Transport type