Network Configurations
33
For T41S phones: SIP-T41S
For T40P phones: SIP-T40P
For T40G phones: SIP-T40G
For T33G phones: SIP-T33G
For T33P phones: SIP-T33P
For T31G phones: SIP-T31G
For T31P phones: SIP-T31P
For T31 phones: SIP-T31
For T30P phones: SIP-T30P
For T30 phones: SIP-T30
For T29G phones: SIP-T29G
For T27G phones: SIP-T27G
For T23P phones: SIP-T23P
For T23G phones: SIP-T23G
For T21(P) E2 phones: SIP-T21P_E2
For T19(P) E2 phones: SIP-T19P_E2
For CP920 phones: SIP-CP920
Web UI
Features > General Information > DHCP Hostname
[1]
If you change this parameter, the phone will reboot to make the change take effect.
DHCP Option 120
DHCP option 120 is used by the SIP client to locate a SIP server or outbound proxy server.
Topic
DHCP Option 120 Configuration
The following table lists the parameter you can use to configure DHCP option 120.
Parameter
sip.dhcp.option120.mode
<y0000000000xx>.cfg
Description
It configures whether to use DHCP option 120 for obtaining the outbound proxy server IP address.
Permitted
Values
0
-Do not check with the DHCP server for the outbound proxy server IP address.
1
-The value obtained from DHCP option 120 is used as outbound proxy server IP address (can
resolve up to two domain names or IPv4 addresses). If “account.X.outbound_proxy_enable = 1”, and
the primary outbound proxy server is configured, the address from DHCP option 120 is used as sec-
ondary one; if the primary outbound proxy server is not configured, the address from DHCP option
120 is used as the primary one.
2
-The value obtained from DHCP option 120 is used as SIP server IP address (can resolve up to only
one IPv4 address). If the primary SIP server is configured, the address from DHCP option 120 is used
as secondary one; if the primary SIP server is not configured, the address from DHCP option 120 is
used as the primary one.
Default
0
Содержание CP920
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