2N® LiftIP 2.0 User Manual
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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 certificate against the CA certificates
uploaded to the device.
Client Certificate
– specification of the client certificate and private key used for
verification of the device authorization to communicate with the SIP server.
Local SIP Port
– set the local port to be used for SIP signaling. A change of this parameter
will not be applied until the device is restarted. The default value is 5060.
PRACK Enabled
– enable the PRACK method (reliable confirmation of SIP messages with
codes 101–199).
REFER Enabled
– enable call forwarding via the REFER method.
Send KeepAlive Packets
– set whether or not the device shall periodically request the
state of the called station via SIP OPTIONS (to detect any station failure during a call)
during calls.