Table of Contents
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Support rport (RFC3581)
Proxy-Require
Use SBC
Account x �� SIP Settings
Basic Settings
SIP Registration
UNREGISTER on Reboot
REGISTER Expiration
SUBSCRIBE Expiration
Re-Register before Expiration
Registration Retry Wait Time
Add Auth Header on Initial
REGISTER
Enable OPTIONS Keep Alive
OPTIONS Keep Alive Interval
OPTIONS Keep Alive Max Lost
SUBSCRIBE for MWI
used. "STUN" cannot be used if the detected NAT is symmetric NAT. Set this to "VPN" if
OpenVPN is used.
Configures to use symmetric response routing. If it is used, the "rport" field
will be added to the Via header field in the SIP Request, and the information will be extracted
from the SIP 200OK Response for SIP Register to rewrite the SIP Contact information and
apply it in subsequent SIP Requests.
A SIP Extension to notify the SIP server that the phone is behind a NAT/Firewall.
Configures whether a SBC server is used. Note: If enabled, make sure an outbound proxy is
set up.
Selects whether the phone will send SIP Register messages to the proxy/server. The default
setting is "Enabled".
● If set to "No", the phone will not unregister the SIP user's registration information before
new registration.
● If set to "All", the SIP Contact header will use "*" to clear all SIP user's registration
information.
● If set to "Instance", the phone only needs to clear the current SIP user's info.
Specifies the frequency (in minutes) in which the phone refreshes its registration with the
specified registrar.
The maximum value is 64800 minutes (about 45 days). The default value is 60 minutes.
Specifies the frequency (in minutes) in which the phone refreshes its subscription with the
specified registrar.
The maximum value is 64800 minutes (about 45 days). The default value is 60 minutes.
Specifies the time frequency (in seconds) that the phone sends re-registration request before
the Register Expiration. The default value is 0.
Specifies the interval to retry registration if the process is failed. The valid range is 1 to 3600.
The default value is 20 seconds.
If enabled, the phone will add Authorization header in initial REGISTER request.
Default is "Disabled".
Configures whether to enable SIP OPTIONS to track account registration status. If enabled,
the phone will send periodic OPTIONS messages to server to track the connection status with
the server.
Default is "Disabled".
Configures the time interval the phone sends OPTIONS message to the server. If set to 30
seconds, it means the phone will send an OPTIONS message to the server every 30 seconds.
Configures the maximum number of times the phone will try to send OPTIONS message
consistently to server without receiving a response. If set to "3", the phone will send
OPTIONS message 3 times. If no response from the server, the phone will re-register.
When set to "Yes", a SUBSCRIBE for Message Waiting Indication will be sent periodically.
The default setting is "No".
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