Specifications

310HD IP Phone
Administrator's Manual 78 Document #: 299-13801
Parameter Description
voip/auto_dialing/destin
ation
The number that is automatically dialed when the phone is off-hooked.
voip/automatic_disconn
ect
Determines whether the phone automatically goes idle (i.e. on-hook) when the
last remaining call is disconnected. This is only relevant when the speaker or
headset is used.
 0 = disabled
 1 = enabled
6.2.5 SIP Signaling
Table 6-6: SIP Signaling Configuration File Parameters
Parameter Description
voip/signalling/sip/trans
port_protocol
Determines the transport layer for outgoing SIP calls initiated by the phone.
 udp (default)
 tcp
voip/signalling/sip/port
Defines the local SIP port (UDP or TCP) port for SIP messages.
The valid range is 1 to 65534. The default value is 5060.
voip/signalling/sip/sdp_i
nclude_ptime
Determines whether the phone adds the PTIME parameter to the SDP
message body.
 0 = disabled
 1 = enabled
voip/signalling/sip/prack
/enabled
Determines whether the phone sends PRACK (Provisional Acknowledgment)
messages upon receipt of 1xx SIP reliable responses.
 0 = disable
 1 = enable (default)
voip/signalling/sip/rport/
enabled
Determines whether the phone adds the ‘rport’ parameter to the relevant SIP
message (in the SIP Via header).
 0 = disable (default)
 1 = enable
voip/signalling/sip/conn
ectMediaOn180
Determines whether the media is connected upon receipt of SIP 180, 183, or
200 messages. When the parameter is disabled, media is connected upon
receipt of 183 and 200 messages only.
 0 = disable (default)
 1 = enable
voip/signalling/sip/ka_op
tions/enabled
Determines whether Keep-Alive is performed using SIP OPTIONS messages
sent to the Proxy.
 0 = disable (default)
 1 = enable
voip/signalling/sip/ka_op
tions/timeout
Defines the Proxy keep-alive time interval (in seconds) between Keep-Alive
messages.
The valid range is 5 to 2,000,000. The default value is 300
voip/signalling/sip/proxy
_address
The IP address or host name of the SIP proxy server.