ยท UserAgentHeaderValue = "TTA-VoLTE/2.0 ${OS}/${OS_VERSION} ${DEVICE}/1.0/LGU"
ยท NetworkBasedCallWaiting = true
ยท emergencyCallBackModeExpirationSeconds = 1
ยท AddAccessNetworkInfoToInsecureMessages = true
ยท securityAgreementOptions = "ipsec-3gpp;alg=hmac-sha-1-96;ealg=aes-cbc;mod=trans;prot=esp,ipsec-3gpp"
ยท PreferredSenderIdentity = "first"
ยท ClearRegistrationCallIdOnDeinitialization = true
ยท acceptContactParams = "require;explicit"
ยท AllowedPdpTypeMask = 3
ยท AllowEarlyMediaToOverrideLocalRingback = true
ยท UseNormalIdentityForEmergencyCalls = true
ยท UseFakeSAsForDeregistration = true
ยท InviteErrorResponsesToTriggerCSFB = "380"
ยท numberOfSilentRedialAttempts = 1
ยท sendPreferredServiceInInvite = true
ยท TriggerCSFBOnWaitForRingingTimeout = false
ยท regSubscriptionEnabled = false
ยท inviteResponseTimeout = 0
ยท AlwaysUnsubscribeFromRegEvents = false
ยท EnableEmergencyRegistration = false
ยท sendAcceptContactInInvite = true
ยท defaultAuthAlgorithm = "AKAv1-MD5"
ยท maxUdpMessageSize = 2000
ยท setSessionTimerRefresherInInitialRequest = true