Matrix PRASAR UCS - Page 256

Matrix PRASAR UCS System Manual 247
Timers
• Set the following Timers to the desired value, where required:
• SIP INVITE Timer (sec): This is the time in seconds that the phone waits for a response from the
called party after sending INVITE message. This timer starts after sending INVITE message to the
called party and stops on receipt of the provisional response or the final response or when the user
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 at Location 1, follow the same steps as described above to
configure the application 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
•Name
• Authentication ID
• Authentication Password
• Internal Registrar Server Address
• External Registrar Server Address
• MAC Address/IMEI/ESN Number
• Enable Matrix Extended Phone Mode
• Extended Phone Type
• Transport Mode
• Enable SRTP
CS Class Selector (RFC
2474
)
AFxy Assure Forwarding (x=class, y=drop precedence) (RFC
2597
)
EF Expedited Forwarding (RFC
3246
)
DSCP <=> IP Precedence Conversion Table
DSCP Name DS Field Binary Value Decimal IP Precedence