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Chapter 8 Profile and Web Page Parameters and Defaults
Network Parameters
8-6
Cisco IP Phone Models 7905G and 7912G Administrator Guide (SIP)
OL-4277-01
DNS1IP, DNS2IP IP addresses of the primary and secondary domain name servers if DHCP is not
used to provide the DNS addresses. If DHCP is used, nonzero values of
DNS1IP and DNS2IP overwrite any DHCP-supplied addresses and values of 0
tell the phone to use DHCP-supplied addresses. Do not specify a port; the
phone uses the default DNS port only.
Value type: IP address.
Default value: 0.0.0.0
NTPIP IP address of the primary NTP server. DHCP may also supply a NTP server but
NTPIP, if specified, overwrites that value. Do not specify a port; the phone uses
the default NTP port only.
If DHCP is used, a nonzero values of NTPIP overwrites any DHCP-supplied
addresses and values of 0 tell the phone to use DHCP-supplied addresses.
Value type: IP address.
Default value: 0 (use DHCP)
AltNTPIP IP address of a secondary NTP server if redundancy is desired. If only one NTP
server exists, set this to 0 or to the address of the primary server. Do not specify
a port; the phone uses the default NTP port only.
Value type: IP address.
Default value: 0 (use DHCP)
TimeZone Offset to apply to the Greenwich Mean Time (GMT) returned by an NTP server
to determine local time (to use for Call ID display, for example).
Local time is generated as follows:
• Local time = GMT + TimeZone, if TimeZone <= 12.
• Local time = GMT + TimeZone – 25, if TimeZone > 12.
For example, TimeZone = 17 for Pacific Standard Time.
Note You must update this parameter manually when daylight savings time
goes into effect and ends.
Value type: Integer.
Default value: 17
Table 8-1 Network Parameters (continued)
Parameter Description