· supportPEarlyMediaHeader = true
· = "3XX,5XX,6XX"
· = "-4XX"
· preconditions = "supportedButMandatory"
· registrationRetryIntervals = "30,60+15,120,480,900,1800"
· = 1 =IPv4 likely
· earlyMediaNeedsHeader = true
{} 1
· TriggerCSFBOnSdpError = true
· = 7200 s
· = "100"