∙Application Pool Page Size: The size of page in the application pool
∙Retransmission T1: T1 determines several timer as defined in RFC3261. For example, When an unreliable transport protocol is used, a Client Invite transaction retransmits requests at an interval that start at T1 seconds and doubles after every retransmission. A Client General transaction retransmits requests at an interval that starts at T1 and doubles until it reaches T2. (Default Value: 500)
∙Retransmission T2: Determines the maximum retransmission interval as defined in RFC3261. For example, when an unreliable transport protocol is used, general requests are retransmitted at an interval which starts at T1 and doubles until reaches T2. If a provisional response is received, retransmission continue but at an interval of T2. (Default Value: 4000)
∙Retransmission T4: T4 represents the amount of time the network takes to clear message between client and server transactions as defined in RFC3261. For example, when working with an unreliable transport protocol, T4 determines the time that UAS waits after receiving an ACK message and before terminating the transaction. (Default Value: 5000)
∙Invite Linger Timer: After sending an ACK for an INVITE final response, a client cannot be sure that the server has received the ACK message; the client should be able to retransmit the ACK upon receiving retransmissions of the final response for inviteLingerTimer milliseconds.
∙General Linger Timer: After a server sends a final response, the server cannot be sure that the client has received the response message. The server should be able to retransmit the response upon receiving retransmissions of the request for generalLingerTimer milliseconds. (Default Value: 32000)
∙Provisional Timer: When a client receives a provisional response, it continues to retransmit the request, but with an interval of provisionalTimer milliseconds.
∙Cancel General No Response Timer: When sending a CANCEL request on a General transaction, the User Agent waits cancelGeneralNoResponseTimer milliseconds before timeout termination if there is no response for the cancelled transaction.
∙Cancel Invite No Response Timer: When sending a CANCEL request on a Invite transaction, the User Agent waits cancelInviteNoResponseTimer milliseconds before timeout termination if there is no response for the cancelled transaction.
∙General Request Timeout Timer: After sending a General request, the User Agent waits for a final response generalRequestTimeoutTimer milliseconds before timeout termination (in this time the User Agent retransmits the request every T1, 2*T1,…T2,…milliseconds)
∙183 to Alerting: When receive a SIP 183 message from remote site, send Alerting in stead of Call Progress Indicator
∙AutoSend 183:
∙Behind NAT: Does
∙Public Signal IP: The static mapped IP for SIP signal
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