Matrix ETERNITY NE - Timers; General Settings for SIP Extensions

212 Matrix ETERNITY NE System Manual
Timers
Configure the following SIP message related timers:
1. Set the SIP Invite Timer. This is the time in seconds that ETERNITY waits for a response from the called
party after ending the 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 call process is terminated by the ETERNITY and an error tone is played to
the user. The range of the SIP Invite Timer is 10-180 seconds. Default: 30 seconds.
2. Set the SIP Provisional Timer. This is the time in seconds that the ETERNITY waits for the 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, ETERNITY terminates the call process and
plays error tone to the user. The range of SIP provisional Timer is 10-180 seconds. Default: 60 seconds.
3. Set the General Request Timer to the desired duration. This is the time in seconds for which ETERNITY
waits for response for a transaction request. This timer starts on the initiation of a transaction. This timer
stops on the receipt of a response for the request. On expiry of the timer, ETERNITY clears the
transaction. This timer is used for Registration request. The range of the General Request Timer is 10-60
seconds. Default: 20 seconds.
General Settings for SIP Extensions
If you are connecting SIP Extensions to ETERNITY NE, configure the following general parameters for SIP
extensions:
1. Use SIP Port fetched using STUN: If ETERNITY is located behind the NAT router and you have not
configured Port Forwarding on the Router for SIP, you must enable this.
2. Select the Source Port IP Address. This parameter specifies the NAT Traversal mechanism for SIP
messages. You can select any of these options:
• Use VoIP Ethernet Port IP Address: Select this parameter if your ETERNITY is directly connected to
the public IP network (not behind a NAT Router).