· = 1 =IPv4 likely
· preconditions = "Supported"
{} 1
· = true
· maxUdpMessageSize = 1500
· = "-4XX"
· inviteErrorResponsesToTriggerCSFB = "3XX,4XX,5XX,6XX"
· alwaysSendSessionProgress = true
· triggerCSFBOnSDPError = true
· earlyMediaNeedsHeader = true
· registrationRetryIntervals = "30,60+15,120,480,900,1800"
{} 1
· = "100"
· allowResponsesOverDifferentTransport = false
· supportPEarlyMediaHeader = true