•
SIP Transport Protocol – set the SIP communication protocol: UDP (default), TCP or TLS.
•
Lowest Allowed TLS Version – set the lowest TLS version to be accepted for device
connection.
•
Verify Server Certificate – verify the SIP server public certificate against the CA
certificates uploaded in the device.
•
Client Certificate – specify the client certificate and private key used for verifying the
intercom's authority to communicate with the SIP server.
•
Local SIP Port – set the local port for thedevice for SIP signaling. A change of this
parameter will not be applied until the deviceis restarted. The default value is 5060.
•
PRACK Enabled – enable the PRACK method for reliable confirmation of SIP messages
with codes 101–199.
•
REFER Enabled – enable call forwarding via the REFER method.
•
Send Keep Alive Packets – set that the device shall inquire periodically about the state of
the called station via SIP OPTIONS requests during the call (used for station failure
detection during the call).
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