SIP
Transport
Determines which network protocol will be used to transport the SIP message. It can be selected from
TCP/UDP/TLS.
Default setting is “UDP”.
Local SIP
Port
Determines the local SIP port used to listen and transmit.
The default setting is 5060 for Account 1, 5062 for Account 2, 5064 for Account 3, 5066 for Account 4, 5068
for Account 5, and 5070 for Account 6. The valid range is from 5 to 65535.
SIP URI
Scheme
When
Using TLS
Defines which SIP header, “sip” or “sips”, will be used if TLS is selected for SIP Transport. T
The default setting is “sip”.
Use Actual
Ephemeral
Port in
Contact
with
TCP/TLS
Determines the port information in the Via header and Contact header of SIP message when the phone
system use TCP or TLS. If set to No, these port numbers will use the permanent listening port on the phone.
Otherwise, they will use the ephemeral port for the particular connection. The default setting is “No”.
Support
SIP
Instance ID
Determines if the phone system will send SIP Instance ID. The SIP instance ID is used to uniquely identify the
device. If set to “Yes”, the SIP Register message Contact header will include +sip.instance tag.
The default setting is “Yes”.
SIP T1
Timeout
Defines an estimate of the round-trip time of transactions between a client and server. If no response is
received in T1, the figure will increase to 2*T1 and then 4*T1. The request re-transmit retries would continue
until a maximum amount of time define by T2. The default setting is 0.5 sec.
SIP T2
Interval
Specifies the maximum retransmit time of any SIP request messages (excluding the SIP INVITE message). The
re-transmitting and doubling of T1 continues until it reaches the T2 value. The default setting is 4 sec.
SIP Timer
D Interval
Defines the amount of time that the server transaction can remain when unreliable response (3xx-6xx)
received. The valid value is 0-64 seconds.
The default value is 0.
Remove
OBP from
Route
Configures the phone system to remove the outbound proxy URI from the Route header. This is used for the
SIP Extension to notify the SIP server that the device is behind a NAT/Firewall. If it is set to “Yes”, it will
remove the Route header from SIP requests.
The default setting is “No”.
Use route
set in
NOTIFY
Configures whether to use route set in NOTIFY (follow RFC 6665). If enabled, the Request URI of the
refresh/cancel subscription will use the URI in the received NOTIFY Contact (RFC 6665); otherwise, the URI in
the previously subscribed 200 OK Contact will be used.
Enable
100rel
Actives PRACK (Provisional Acknowledgment) method. PRACK improves the network reliability by adding an
acknowledgement system to the provisional Responses (1xx). It is set to “Yes”, the phone system will
response to the 1xx response from the remote party. The default setting is “No”.
Session
Timer
To Next Page
Loading...
