| IMSConfig | absent | {"Signaling":{"LocalQoSTimeoutMTSeconds":6,"ForcedFeatureTags":"voice,sms","MaxFatalRegistrationErrors":1,"MaxReRegistrationAttempts":0,"EarlyMediaNeedsHeader":true,"AdditionalHeaders":{"INVITE[wifi,911]":["P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}","Supported: geolocation"]},"R… {
"Signaling": {
"LocalQoSTimeoutMTSeconds": 6,
"ForcedFeatureTags": "voice,sms",
"MaxFatalRegistrationErrors": 1,
"MaxReRegistrationAttempts": 0,
"EarlyMediaNeedsHeader": true,
"AdditionalHeaders": {
"INVITE[wifi,911]": [
"P-Emergency-Info: IEEE-802.11b;i-wlan-node-id=${DEVICE_REF_ID}",
"Supported: geolocation"
]
},
"ReRegisterOnErrorCodes": "REGISTER:480,500,503,504;INVITE:60,403,504",
"strictCallFlows": true,
"TriggerCSFBOnLocalQoSTimeoutMO": false,
"SipTimers": {
"D": 32000,
"InviteResponseTimeout": 0,
"AckRetransmitTimer": 32000,
"AckReceiveTimeout": 32000,
"J": 32000,
"F": 32000,
"B": 32000,
"H": 32000
},
"LocalQoSTimeoutMOSeconds": 10,
"RegisterOnServiceUpdate": false,
"RegistrationPolicy": "ATT",
"RingingTimerSeconds": 45,
"CSFBOnAccessBarred": true,
"AdditionalContactParams": {
"INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
},
"NetworkTerminationRetryIntervalSeconds": 1,
"KillRegistrationOnHandoverTimeout": false,
"TriggerCSFBOnLocalQoSTimeoutMT": false,
"OutgoingDomain": "1",
"EmergencyCallBackModeExpirationSeconds": 20,
"Preconditions": "Supported",
"WaitForRingingTimerMOSeconds": 0,
"UseCIDUrlInPIDF": true,
"AccessNetworkRefreshDelayMilliseconds": 30000,
"IgnoresIntlDataRoaming": true,
"AccessNetworkRefreshMethod": "INVITE",
"IgnoreOverridesForWPSCalls": true,
"UseTupleInPIDF": true,
"WaitForRingingTimerMTSeconds": 8,
"IgnoreFromHeaderForSenderName": false,
"ClearRegistrationCallIdOnDeinitialization": true,
"UseT3402ForPdpBackoff": true,
"AlwaysSendSessionProgress": true,
"PerCallQoSIndications": false,
"AddLocationInInviteResponses": "180,183",
"IPSecSegmentOffset": 210,
"WifiAccessInfo": "000000000000",
"SupportPEarlyMediaHeader": true,
"RegistrationRetryIntervals": "0",
"AccessBarringType": "ACB",
"IncomingCallEndReasons": {
"NotFound": {
"TerminationEvent": "RemoteHangup",
"StatusCode": 404
},
"TemporarilyUnavailable": {
"TerminationEvent": "RemoteHangup",
"StatusCode": 480
}
},
"LocationForShortCodeCalls": "CIVIC",
"CountryOfOriginationFormat": "BOTH",
"UseIPSec": true,
"RingbackTimerSeconds": 180,
"EmergencyPreferredIdentity": "IMEI",
"UseFakeSAsForDeregistration": true,
"AllowResponsesOverDifferentTransport": false,
"SendPreferredServiceInInvite": true,
"PrivacyHeaderValue": "header",
"StartLocalQosTimerOnSessionProgress": true,
"WaitForRingingTimerWPSSeconds": 8
},
"Voice": {
"EnableVolteByDefault": true,
"CellularE911SearchTimeout": 5,
"CheckIMSPrefForEmergency": true,
"E911OverCSIfNoIMSReg": true,
"E911OverIMSSupported": true,
"endNonEmergencyCalls": true,
"tLte911Timer": 0
},
"ConferenceCalling": {
"conferenceServer": "sip:n-way_voice@one.att.net",
"TreatAllNotificationsAsPartial": true
},
"AllowHandoverWithoutIMSVoiceService": true,
"LocalShortCodeNumbers": [
"211",
"311",
"411",
"511",
"611",
"711",
"811"
],
"Media": {
"RTCPIntervalSeconds": 5,
"UseRestrictiveDirectionWhenCreatingAnswer": false,
"StopLocalRingbackToneOn181": false,
"EnableBandwidthSpecifiers": true,
"AllowIPv6UnicastAddress": true,
"InactivityTimerRTCPSeconds": 20,
"InactivityTimerRTPSeconds": 20,
"HoldHeartbeatIntervalSeconds": 5,
"DTMFInterDigitIntervalMilliseconds": 540,
"EnableRemoteRTCPDeactivation": true,
"IncludeSDPMaxRed": true
},
"SIM": {
"USIMFallbackSupport": false
},
"XCAP": {
"IgnoreSimFileCFIS": true,
"SupportsCLIR": false,
"ImpuRank": "tel:MDN,tel:other,MDN@domain,MDN@other,IMSI@domain,IMSI@3gpp,IMSI@other,sip:other@domain,sip:other",
"UnsolicitedRequestDelay": 0,
"ContentType": "application/xcap-el+xml",
"supported": true
},
"CallTransfer": {
"CallTransferDialNumber": "######",
"CallTransferToUri": "pull-SP-active@one.att.net",
"CallTransferOnlyIfIMSRegistered": true,
"CallTransferRequestUri": "pull-VoLTE-active@one.att.net"
}
} |
| TechSettings | absent | {"ChildSAs":{"FirstChild":{"ChildProposals":[{"EncryptionAlgorithm":["AES-128"],"IntegrityAlgorithm":["SHA2-256"],"Lifetime":80000}],"InstallPolicies":true,"ReplayWindowSize":12}},"iRatPolicies":{"PreferredTechnologyRoaming":"wifi","PreferredTechnology":"cellular"},"ExtraConfigurationAttributeReques… {
"ChildSAs": {
"FirstChild": {
"ChildProposals": [
{
"EncryptionAlgorithm": [
"AES-128"
],
"IntegrityAlgorithm": [
"SHA2-256"
],
"Lifetime": 80000
}
],
"InstallPolicies": true,
"ReplayWindowSize": 12
}
},
"iRatPolicies": {
"PreferredTechnologyRoaming": "wifi",
"PreferredTechnology": "cellular"
},
"ExtraConfigurationAttributeRequestv6": [
{
"Type": "IPv6Address",
"Name": "AssignedPCSCFIPv6",
"Identifier": 16386
}
],
"SupportContextSwitchOver": true,
"WiFiCallingControlsAlliWLanServices": true,
"AllowHandOverFromDataModeList": [
"LTE"
],
"WifiCallingAllowedInRoaming": true,
"PdnErrorsToBlockHandover": "54",
"5wiServiceMask": 3,
"IKE": {
"Proposals": [
{
"EncryptionAlgorithm": "AES-128",
"DHGroup": 14,
"EAPMethod": "EAP-AKA",
"AuthenticationMethod": "None",
"IntegrityAlgorithm": "SHA2-256",
"Lifetime": 80000,
"PRFAlgorithm": "SHA2-256"
}
],
"DeadPeerDetectionEnabled": false,
"DeadPeerDetectionMaxRetries": 4,
"DeadPeerDetectionInterval": 600,
"LocalIdentifier": "0$imsi@nai.epc.mnc$mnc.mcc$mcc.3gppnetwork.org",
"NATTKeepAliveOffload": true,
"ValidateRemoteCertificate": false,
"RemoteAddress": "epdg.epc.att.net",
"DeadPeerDetectionRetryInterval": 10
},
"AllowRoamingHandover": false,
"ExtraConfigurationAttributeRequestv4": [
{
"Type": "IPv4Address",
"Name": "AssignedPCSCFIPv4",
"Identifier": 16384
}
],
"SetHandOverIPv6Prefix": true,
"TechPolicies": [
{
"policy": "cellData=false",
"serviceMask": 1081367
},
{
"policy": "true",
"serviceMask": 131072
},
{
"policy": "true",
"serviceMask": 262144
}
],
"IPSecMTU": 1430,
"SupportCallHandover": true
} |
| apns | absent | [{"configuration":[{"type-mask":1081367,"password":"","tech-type-mask":1081367,"username":"","apn":"reseller"},{"DefaultProtocolMask":3,"password":"","tech-type-mask":131072,"type-mask":131072,"SupportSwitchOver":true,"username":"","apn":"ims","AllowedProtocolMask":3},{"DefaultProtocolMask":3,"passw… [
{
"configuration": [
{
"type-mask": 1081367,
"password": "",
"tech-type-mask": 1081367,
"username": "",
"apn": "reseller"
},
{
"DefaultProtocolMask": 3,
"password": "",
"tech-type-mask": 131072,
"type-mask": 131072,
"SupportSwitchOver": true,
"username": "",
"apn": "ims",
"AllowedProtocolMask": 3
},
{
"DefaultProtocolMask": 3,
"password": "",
"tech-type-mask": 262144,
"type-mask": 262144,
"AllowedProtocolMaskInRoaming": 3,
"username": "",
"apn": "sos",
"AllowedProtocolMask": 3
},
{
"type-mask": 1081366,
"password": "",
"username": "",
"apn": "reseller"
}
],
"technology-mask": 9
}
] |
CCATT_CC_US
iOS 27.2 beta 3 image · build 73.0 beta 
iOS 26.5 – 26.6.2 image · build 70.0 
iOS 18.6 – 18.6.2 image · build 64.0.1 
OTA iOS 16.4+ · build 54.1 
OTA iOS 15.2+ · build 49.1 
OTA iOS 14.5+ · build 46.1 
OTA iOS 11.2+ · build 31.1