AudioCodes C450HD - Page 197

Administrator's Manual A. Configuring Phones in Server-Specific Deployments
Version 3.4.3 197 400HD Series IP Phones
Parameter Description
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
Note:
 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_time
out)
 When the phone re-registers, the keep-
alive messages are re-sent periodically.
voip/signalling/sip/registrar_ka/timeout
Defines the registration keep-alive time
interval (in seconds) between Keep-Alive
messages.
Range: 40 to 65536. Default: 60.
voip/signalling/sip/proxy_timeout
The SIP proxy server registration timeout (in
seconds).
Range: 0 to 86400. Default: 300.
voip/signalling/sip/registration_failed_timeout
If registration fails, this parameter determines
the interval between the register messages
periodically sent until successful registration.
Range: 1 to 86400. Default: 60.
voip/signalling/sip/sip_registrar/enabled
Determines whether the phone registers to a
separate SIP Registrar server.
 0 Disable (default)

1
Enable
voip/signalling/sip/use_proxy_ip_port_for_registrar
Determines whether to use the SIP proxy's IP
address and port for registration. When
enabled, there is no need to configure the
address of the registrar separately.
 0 Disable
 1 Enable (default)
voip/signalling/sip/sip_registrar/addr
The IP address or host name of the Registrar
server.
Default: 0.0.0.0.
voip/signalling/sip/sip_registrar/port The UDP or TCP port of the Registrar server.
Range: 1024 to 65535. Default: 5060.
voip/signalling/sip/sip_outbound_proxy/enabled
Determines whether an outbound SIP proxy
server is used (all SIP messages are sent to
this server as the first hop).
 0 Disable (default)

1
Enable