Specifications

310HD, 320HD and 420HD IP Phones
 Using the Configuration File:
Table 17-2: Proxy and Registrar Parameters
Parameter Description
Use SIP Proxy
[voip/signalling/sip/use_proxy]
Determines whether to use a SIP Proxy
server.
 [0] Disable (default)
 [1] Enable
voip/signalling/sip/proxy_address
The IP address or host name of the SIP
proxy server.
The default value is 0.0.0.0.
Proxy Port
[voip/signalling/sip/proxy_port]
The UDP or TCP port of the SIP proxy
server.
The valid range is 1024 to 65535. The default
value is 5060.
Enable Registrar Keep Alive
[voip/signalling/sip/registrar_ka/enabled]
Determines whether to use the registration
keep-alive mechanism based on SIP
OPTION messages.
 [0] Disable (default)
 [1] Enable
Notes:
 If there is no response from the server, the
timeout for re-registering is automatically
reduced to a user-defined value
(voip/signalling/sip/registration_failed_
timeout)
 When the phone re-registers, the keep-
alive messages are re-sent periodically.
Registrar Keep Alive Period
voip/signalling/sip/registrar_ka/timeout
Defines the registration keep-alive time
interval (in seconds) between Keep-Alive
messages.
The valid range is 40 to 65536. The default
value is 60.
Maximum Number of Authentication Retries
voip/signalling/sip/proxy_timeout
The SIP proxy server registration timeout (in
seconds).
The valid range is 0 to 86400. The default
value is 3600.
Registration Failed Expires
voip/signalling/sip/registration_failed_timeout
If registration fails, this parameter determines
the interval between the register messages
periodically sent until successful registration.
The valid range is 1 to 86400. The default
value is 60.
Use SIP Registrar
voip/signalling/sip/sip_registrar/enabled
Determines whether the phone registers to a
separate SIP Registrar server.
 [0] Disable (default)
 [1] Enable
Administrator's Manual 94 Document #: LTRT-09910