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Cisco SIP IP Phone 7960 Administrator Guide
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Chapter 3 Managing Cisco SIP IP Phones
Modifying the Phone’s SIP Settings
•
sip_retx—(Optional) Maximum number of times a SIP message other than an
INVITE request will be retransmitted. The valid value is any positive integer.
The default is 10.
•
sip_invite_retx—(Optional) Maximum number of times an INVITE request
will be retransmitted. The valid value is any positive integer. The default is 6.
•
proxy_register—(Optional) Whether the phone must register with a proxy
server during initialization. Valid values are 0 and 1. Specify 0 to disable
registration during initialization. Specify 1 to enable registration during
initialization. The default is 0.
After a phone has initialized and registered with a proxy server, changing the
value of this parameter to 0 will unregister the phone from the proxy server.
To reinitiate a registration, change the value of this parameter back to 1.
Note
If you enable registration, and authentication is
required, you must specify values for the
linex_authname and linex_password parameters (where
x is a number 1 through 6) in the phone-specific
configuration file. For information on configuring the
phone-specific configuration file, see the “Modifying
the Phone-Specific SIP Configuration File” section on
page 3-15.
•
timer_register_expires—(Optional) The amount of time, in seconds, after
which a REGISTRATION request will expire. This value is inserted into the
Expire header field. The valid value is any positive number, however, we
recommend 3600 seconds. The default is 3600.
•
messages_uri—(Optional) Number to call to check voicemail. This number
will be called when the Messages key is pressed.
•
Date, Time, and Daylight Savings Time parameters. See the “Setting the
Date, Time, and Daylight Savings Time” section on page 3-22 section for
more information on setting the following parameters:
–
sntp_mode—(Optional) Mode in which the phone will listen for the
SNTP server.
–
sntp_server—(Optional) IP address of the SNTP server from which the
phone will obtain time data.
–
time_zone—(Optional) Time zone in which the phone is located.