Hello,

The SIP RFC defines some timers and their default values.

Is it possible to override these values in sip profiles or somewhere else?

T1       500ms default    Section 17.1.1.1     RTT Estimate

T2       4s               Section 17.1.2.2     The maximum retransmit

                                               interval for non-INVITE

                                               requests and INVITE

                                               responses

T4       5s               Section 17.1.2.2     Maximum duration a

                                               message will

                                               remain in the network

Timer A  initially T1     Section 17.1.1.2     INVITE request retransmit

                                               interval, for UDP only

Timer B  64*T1            Section 17.1.1.2     INVITE transaction

                                               timeout timer

Timer C  > 3min           Section 16.6         proxy INVITE transaction

                           bullet 11            timeout

Timer D  > 32s for UDP    Section 17.1.1.2     Wait time for response

         0s for TCP/SCTP                       retransmits

Timer E  initially T1     Section 17.1.2.2     non-INVITE request

                                               retransmit interval,

                                               UDP only

Timer F  64*T1            Section 17.1.2.2     non-INVITE transaction

                                               timeout timer

Timer G  initially T1     Section 17.2.1       INVITE response

                                               retransmit interval

Timer H  64*T1            Section 17.2.1       Wait time for

                                               ACK receipt

Timer I  T4 for UDP       Section 17.2.1       Wait time for

         0s for TCP/SCTP                       ACK retransmits

Timer J  64*T1 for UDP    Section 17.2.2       Wait time for

         0s for TCP/SCTP                       non-INVITE request

                                               retransmits

Timer K  T4 for UDP       Section 17.1.2.2     Wait time for

         0s for TCP/SCTP                       response retransmits