· sendLocalTimeZoneInformation = true
· enableCellularNetworkInfo = true
· inviteErrorResponsesToTriggerCSFB = "3XX,4XX,5XX,6XX"
· preconditions = "supportedButMandatory"
· countryOfOriginationFormat = "BOTH"
{} 2
· = 1 =IPv4 likely
· = false
· alwaysSendSessionProgress = true
· earlyMediaNeedsHeader = true
· triggerCSFBOnSDPError = true
· defaultAuthAlgorithm = "AKAv1-MD5"
· supportPEarlyMediaHeader = true