| | | |
|---|
T1
| 500 milliseconds
| 17.1.1.1
| RTT Estimate
|
T2
| 4 seconds
| 17.1.2.2
| Maximum retransmit interval for non-INVITE requests
and INVITE responses
|
T4
| 5 seconds
| 17.1.2.2
| Maximum duration that a message remains in the network
|
Timer A
| T1
| 17.1.1.2
| INVITE request retransmit interval, for UDP only
|
Timber B
| 64*T1
| 17.1.1.2
| INVITE transaction timeout timer
|
Timer C
| > 3 minutes
| 16.6 (bullet 11)
| Proxy INVITE transaction timeout
|
Timer D
| > 32 seconds for UDP, 0 for TCP/SCTP
| 17.1.1.2
| Wait time for response retransmits
|
Timer E
| T1
| 17.1.2.2
| Non-INVITE request retransmit interval, for UDP only
|
Timer F
| 64 * T1
| 17.1.2.2
| Non-INVITE transaction timeout timer
|
Timer G
| T4 for UDP, 0 for TCP/SCTP
| 17.2.1
| INVITE response retransmit interval
|
Timer H
| 64 * T1
| 17.2.1
| Wait time for ACK receipt
|
Timer I
| T4 for UDP, 0 for TCP/SCTP
| 17.2.1
| Wait time for ACK retransmits
|
Timer J
| 64 * T1 for UDP, 0 for TCP/SCTP
| 17.2.2
| Wait time for non-INVITE request retransmits
|
Timer K
| T4 for UDP, 0 for TCP/SCTP
| 17.1.2.2
| Wait time for response retransmits
|