used. “STUN” cannot be used if the detected NAT is symmetric NAT. Set this to “VPN” if
OpenVPN is used.
Support rport (RFC3581)
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.
Proxy-Require A SIP Extension to notify the SIP server that the phone is behind a NAT/Firewall.
Use SBC
Configures whether a SBC server is used. Note: If enabled, make sure an outbound proxy is
set up.
Account x 🡪 SIP Settings
Basic Settings
SIP Registration
Selects whether the phone will send SIP Register messages to the proxy/server. The default
setting is “Enabled”.
UNREGISTER on Reboot
● 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.
REGISTER Expiration
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.
SUBSCRIBE Expiration
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.
Re-Register before Expiration
Specifies the time frequency (in seconds) that the phone sends re-registration request before
the Register Expiration. The default value is 0.
Registration Retry Wait Time
Specifies the interval to retry registration if the process is failed. The valid range is 1 to 3600.
The default value is 20 seconds.
Add Auth Header on Initial
REGISTER
If enabled, the phone will add Authorization header in initial REGISTER request.
Default is “Disabled”.
Enable OPTIONS Keep Alive
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”.
OPTIONS Keep Alive Interval
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.
OPTIONS Keep Alive Max Lost
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.
SUBSCRIBE for MWI
When set to “Yes”, a SUBSCRIBE for Message Waiting Indication will be sent periodically.
The default setting is “No”.
To Next Page
Loading...
