User's Manual

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Sections Description
SIPServer2 TodisplayandconfigureSecondarySIPserversettings.
This is for redundancy, if registering to Primary SIP server
fails,the IP phone will go to Secondar y SIP server for
registering.
Note:Secondary SIPserveris usedfor redundancy, itcan be
left blank if there is not redundancy SIP ser
ver in user’s
environment.
OutboundProxyServer TodisplayandconfigureOutboundProxyserversettings.
An outbound proxy server is used to receive all  initiating
request messages and route them to the designated SIP
server.
Note: If configured, all SIP request messages from the IP
phonewillbesenttotheoutboundproxyserverforcefully.
TransportType TodisplayandconfigureTransporttypeforSIPmessage
 UDP: UDP is an  unreliable but very efficient transport
layerprotocol.
automaticallywithinregistrationperiod.