8. The Menu
111
Select Registration and press the OK button to access the registration parameter which, if set to
Yes, programs the phone to register with the backup proxy at start up. Default value is No.
8.5.3.3 Registrar Server
This menu accesses the configuration information for the registrar server. When this value is set,
the phone attempts to register with the Registrar server instead of the Proxy server.
To access this panel, select Menu | Pswd Settings | SIP Settings | Registrar. Use the Up and
Down keys to scroll through the settings. Press the OK button to select a parameter.
Select Address and press the OK button to access the IP Address of the registrar server.
Select Port and press the OK button to access the port of the registrar server.
8.5.3.4 RTP Start port
The phone uses consecutively numbered RTP and RTCP port numbers (actually UDP port
numbers) for communication. RTP carries media and RTCP carries control information.
The default RTP start port is 1760. The first call appearance uses port 1760 to receive media and
port 1761 to receive RTCP control information. The second call appearance uses ports 1762 and
1763. The RTP start port must always be an even number and should not be set to the same value
as the Receive Port or the Proxy Port.
To access this panel, select Menu | Pswd Settings | SIP Settings | RTP Start Port.
Backup proxy
Registration
}No Yes
Registrar
}Address
Port
Registrar
Address
}10.1.30.196
Registrar
Port
}5060
PSettings | SIP
RTP start port
}1760
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