C. Configuration Files
139
C.4.2 SIP Configuration
SIP parameters allow the phone to operate properly in a SIP environment. Figure C-5 lists the SIP
configuration parameters.
Parameter Description
Description of
equivalent
menu or button
command
auth_password The proxy password authenticates the phone to proxy
servers that require authentication.
Default value is zultys.
section 8.5.3.1 on
page 109
backup_proxy_addr Backup SIP server proxy address value. If primary proxy
server fails to operate, the phone attempts to switch to
backup proxy.
Default is null string.
section 8.5.3.2 on
page 110
backup_proxy_port Backup SIP server proxy port value. Valid settings range
from 1025 to 65535.
Default value is 5060.
section 8.5.3.2 on
page 110
backup_reg_expires Specifies time period, in seconds, after which a
REGISTRATION expires for the Backup proxy. This value is
inserted into the Expires header field. Valid settings include
all positive numbers. Recommended value is 3600.
Default value is 3600.
None
device_id Specifies the user portion of the SIP URI
Default value is MAC address of the phone (upper case).
section 8.5.5.1 on
page 115
display_name Specifies the string that is sent in the display name part of
the SIP From: header.
Default is NULL string.
None
encryption Specifies the encryption mode. Valid settings range from 0
to 3, as follows:
0 - encryption is on by default when call is placed, but can
be turned off
1 - encryption is off by default when call is placed, but can
be turned on
2 - encryption is always on and cannot be turned off
3 - encryption is always off and cannot be turned on
Default value is 1.
section 8.5.6.2 on
page 117
fwd_address Specifies the phone number to where forwarded numbers
are redirected. This parameter is valid only if fwd_condition
does not equal 0. Valid settings include all phone numbers
and addresses accessible to the user.
Default value is NULL string.
section 7.3 on
page 72
Figure C-5 SIP Configuration Parameters
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