Cisco SIP IP Phone User Manual

3-20
Cisco SIP IP Phone Administrator Guide
Chapter 3 Managing Cisco SIP IP Phones
Modifying the Phone’s SIP Settings
telnet_level Optional Enables Telnet for the phone.
Valid values are:
• 0 — Telnet is disabled
• 1 — Telnet is enabled, no privileged commands
• 2 — Telnet is enabled and privileged commands can
be executed
The default value is 0.
tftp_cfg_dir Required if
phone-specific
configuration files
are located in a
subdirectory.
Path to the TFTP subdirectory in which phone-specific
configuration files are stored.
time_format_24hr Optional Whether a 12- or 24-hour time format is displayed by
default on the phones’ user interface. Valid values are:
• 0—The 12-hour format is displayed by default but
can be changed to a 24-hour format via the phone’s
user interface.
• 1—The 24-hour format is displayed by default but
can be changed to a 12-hour format via the phone’s
user interface.
• 2-The 12-hour format is displayed and cannot be
changed to a 24-hour format via the phone's user
interface.
• 3—The 24-hour format is displayed and cannot be
changed to a 12-hour format via the phone’s user
interface.
The default value is 1.
time_zone Optional See the “Setting the Date, Time, and Daylight Saving
Time” section on page 3-36 section for more
information.
timer_invite_expires Optional The amount of time, in seconds, after which a SIP
INVITE expires. This value is used in the Expire header
field. The valid value is any positive number; however,
Cisco recommends 180 seconds. The default is 180.
timer_register_expires Optional The amount of time, in seconds, after which a
REGISTRATION request expires. This value is inserted
into the Expire header field. The valid value is any
positive number; however, Cisco recommends 3600
seconds. The default is 3600.
timer_t1 Optional Lowest value (in milliseconds) of the retransmission
timer for SIP messages. The valid value is any positive
integer. The default is 500.
Table 3-3 Default SIP Configuration File Parameters (continued)
Parameter
Required or
Optional Description

Cisco SIP IP Phone Specifications

General

Brand	Cisco
Model	SIP IP Phone
Category	IP Phone
Language	English