Matrix PRASAR UCS System Manual 223
disconnects the call. On expiry of the timer, the phone terminates the call process and gives an error
tone to the user. The range of the SIP INVITE TIMER is 10-180 seconds. Default: 30 seconds.
• SIP Provisional Timer (sec): This is the time in seconds that the phone waits for final response after
receiving the provisional response from the called party. This timer starts on the receipt of the
provisional response from the called party and stops on receipt of the final response from the called
party or when the user disconnects the call. On expiry of the timer, the IP phone terminates the call
process and gives error tone to the user. The range of SIP Provisional Timer is 10-180 seconds.
Default: 60 seconds.
• General Request Timer (sec): This is the time in seconds for which the phone waits for response of a
transaction request. This timer starts on initiating a transaction. This timer stops on receipt of a
response for the request. On expiry of the timer, the phone clears the transaction. This timer is used for
Registration request, etc. The range of the General Request Timer is 10-60 seconds. Default: 20
seconds.
• Click Submit to save settings.
• If you have completed the configuration of the Extended SPARSH VP710 Settings at Location 1, follow the
same steps as described above to configure the Extended SPARSH VP710 at Location 2 and Location 3.
When you change any of the parameters listed below in the SIP Extension at Location 1, 2, 3, the phone
will go in Auto Configuration mode automatically, if registered:
• Use SIP Extension
• SIP ID
• Authentication ID
• Authentication Password
• Registrar Server IP Address
• MAC Address
• Enable Device
• Device Type
• Transport Mode and SRTP
•QoS
•RTP Ports
• NAT Keep Alive
• SIP Timers
• Class of Service
• Trunk Access Code
• The SE Password of PRASAR UCS is changed
• Specific parameters in VoIP Parameters are changed
• Specific parameters in Network Port parameters are changed
• You restart the System
• Set the System to Default
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