| IMSConfig | absent | {"ProvisionWiFiCallingWithSetEntitlement":false,"Media":{"RTCPIntervalSeconds":5,"InactivityTimerRTPSeconds":20,"SupportAMRWB":false,"EnableRTCPExtendedReports":true,"EnableBandwidthSpecifiers":true,"SRTPEndToAccessEdgeProtection":true,"AudioCodecs":{"102":{"mode-set":"7","EncodingName":"AMR","Sampl… {
"ProvisionWiFiCallingWithSetEntitlement": false,
"Media": {
"RTCPIntervalSeconds": 5,
"InactivityTimerRTPSeconds": 20,
"SupportAMRWB": false,
"EnableRTCPExtendedReports": true,
"EnableBandwidthSpecifiers": true,
"SRTPEndToAccessEdgeProtection": true,
"AudioCodecs": {
"102": {
"mode-set": "7",
"EncodingName": "AMR",
"SampleRate": 8000
},
"104": {
"mode-set": "2",
"EncodingName": "AMR-WB",
"SampleRate": 16000
},
"106": {
"SampleRate": 8000,
"EncodingName": "AMR",
"octet-align": "0"
},
"108": {
"mode-set": "7",
"SampleRate": 8000,
"EncodingName": "AMR",
"octet-align": "1"
},
"109": {
"ch-aw-recv": "3",
"br": "13.2",
"SampleRate": 16000,
"EncodingName": "EVS",
"bw": "swb"
},
"110": {
"mode-set": "2",
"SampleRate": 16000,
"EncodingName": "AMR-WB",
"octet-align": "1"
},
"115": {
"ch-aw-recv": "3",
"br": "5.9-13.2",
"SampleRate": 16000,
"EncodingName": "EVS",
"bw": "nb-swb"
}
},
"UseEphemeralRTPPorts": true,
"RTCPXRBasebandSupport": {
"voip-metrics": "",
"stat-summary": "loss,dup,jitt,HL"
},
"OrderEVSCodecsByCodecID": false,
"InactivityTimerRTCPSeconds": 20,
"ModeSetAMRWB": "2",
"SupportAMRNB": false,
"EVSHardBwLimit": "nb-swb",
"TTYRelayNumber": "711",
"UseRestrictiveDirectionWhenCreatingAnswer": false,
"ModeSetAMRNB": "7",
"EnableIncomingDTMF": true
},
"CallTransfer": {
"CallTransferOnlyIfIMSRegistered": true,
"PullsOnlyWithDialogEvent": true
},
"SIM": {
"USIMFallbackSupport": false
},
"Voice": {
"DisableVolteSwitchOnIncompatibleState": true,
"E911OverITechSupported": false,
"tLte911Timer": 55,
"EnableVolteByDefault": true,
"TestEmergencyPSAPSupported": true
},
"LocalShortCodeNumbers": [
"211",
"311",
"411",
"511",
"611",
"711",
"811"
],
"AllowHandoverWithoutIMSVoiceService": true,
"Signaling": {
"AdditionalHeaders": {
"INVITE[911,wifi]": [
"P-com.ServiceType: Static-Emergency"
]
},
"UseDialogEventPackage": true,
"InviteErrorResponsesToTriggerCSFB": "503",
"strictCallFlows": true,
"PdpBackOffTimerforRA": 900000,
"CallSetupPingTimerMilliseconds": 2000,
"VerstatFeatureCapability": "Dynamic",
"SipTimers": {
"F": 30000,
"D": 128000,
"InviteResponseTimeout": 10000,
"T2": 16000,
"T1": 3000,
"T4": 17000
},
"UserAgentHeaderValue": "APPLE---${DEVICE}---${OS_VERSION}",
"IgnoreReregistrationErrorCodes": "",
"SpamCallRiskLevels": {
"low": -2,
"high": -4,
"medium": -3
},
"SpamHeaderFeatureCapability": "Enabled",
"RegistrationPolicy": "VZW",
"RingingTimerSeconds": 55,
"AdditionalContactParams": {
"REGISTER:*": ""
},
"OutgoingCallPrefix": {
"Local": "+1",
"International": "011"
},
"BrandedCallingImageFetchingTimeoutMilliseconds": 2000,
"ClearThrottlingOnSocketErrors": "",
"AllowPhoneContextInEmergencyUri": false,
"SpamCallCategoryMapping": [
"public-service:public-service,Public-Service,PublicService,public service",
"not-for-profit:not-for-profit,Non-Profit,non-profit,charity",
"survey:survey,Survey",
"telemarketing:telemarketer",
"political:Political,political",
"health:Healthcare,Health care,Health-care,healthcare",
"spam:spammer,Spam",
"fraud:Fraud"
],
"AllowSimultaneousCallsWhileUnregistered": false,
"EmergencyRingbackTimerSeconds": 600,
"CallEndReasons": {
"CodecNotSupported": {
"ReasonHeaderText": "Codec Not Supported"
},
"MediaHeartbeatTimeout": {
"ReasonHeaderText": "RTP-RTCP Timeout"
},
"RejectedByUser": {
"ReasonHeaderText": "call rejected by user",
"StatusCode": 600
},
"MediaTimeout": {
"ReasonHeaderText": "RTP-RTCP Timeout"
},
"NoLTE": {
"ReasonHeaderText": "Moved to eHRPD",
"StatusCode": 488
},
"NotVoiceRegisteredNoLTE": {
"ReasonHeaderText": "On eHRPD"
},
"MediaserverCrash": {
"ReasonHeaderText": "Call dropped"
},
"JoinedConference": {
"ReasonHeaderText": "Far Device Joined N-way Call"
},
"DeferToSecondary": {
"ReasonHeaderText": "Not Acceptable",
"StatusCode": 486
}
},
"EmergencyCallBackModeExpirationSeconds": 300,
"Preconditions": "None",
"RegisterSmsWhenAccessBarringZero": true,
"ResetCallIdOnInitialRegistration": true,
"PIDFConfidence": 90,
"UseCIDUrlInPIDF": true,
"FastEmergencyLocationEnabled": true,
"AlwaysAddGeolocationForEmergencyCalls": true,
"AllowLimitedAccessModeRegistration": true,
"RestartRingbackTimerOn180": true,
"EnableBrandedCalling": true,
"AlwaysAddSipInstanceToSubscribeRequest": true,
"EmergencyURNs": {
"922": "922@vzims.com"
},
"SessionExpiresSeconds": 300,
"EnableRingbackAudioForTextCalls": true,
"AlwaysSetPhoneContext": true,
"ContactUser": "+MDN",
"EmergencyRegistrationTimeoutSeconds": 2,
"EmergencyImpuRank": "MDN@domain",
"TriggerCSFBOnWaitForRingingTimeout": false,
"AdditionalFeatureTags": {
"voice": {
"audio": ""
}
},
"ReRegistrationHysteresisTimerMilliseconds": 60000,
"RequirePreconditionsWhenMandatory": false,
"IncomingCallEndReasons": {
"CallPulled": {
"ReasonHeaderText": "Call Has Been Pulled by Another Device",
"TerminationEvent": "TransferredToOtherDevice"
},
"AllDevicesBusy": {
"ReasonHeaderText": "Another device sent All Devices Busy response",
"TerminationEvent": "RemoteCallRejected"
},
"CallLimitReached": {
"ReasonHeaderText": "Simultaneous Call Limit Has Already Been Reached",
"StatusCode": 403,
"TerminationEvent": "SecondaryDeviceInUse"
},
"ForbiddenDeregister": {
"ReasonHeaderText": "Forbidden - Originating user not registered",
"DropsRegistration": true,
"StatusCode": 403
},
"CallCompletionElsewhere": {
"ReasonHeaderText": "Call Completion Elsewhere",
"TerminationEvent": "CallAnsweredElsewhere"
}
},
"AccessBarringType": "Both",
"CountryOfOriginationFormat": "PANI",
"LocationForShortCodeCalls": "BOTH",
"BrandedCallingAssetServersAllowList": [
{
"Server": "logo.ebc.tnsi.com",
"Certificate": "Wec45nQiFwKvHtuHxSAMGkt19k+uPSw9JlEkxhvYPHk="
},
{
"Server": "cdn.brandedcallingid.com",
"Certificate": "vxRon/El5KuI4vx5ey1DgmsYmRY0nDd5Cg4GfJ8S+bg="
}
],
"RetryAfterStatusCodes": "480,486,500,503,600",
"RingbackTimerSeconds": 60,
"AlwaysPrack18x": true,
"AllowRemoteHoldForUnconfirmedCalls": true,
"UseEphemeralSipSourcePortForTcp": true,
"ActivationBackoffTimerOverIWLANMilliseconds": 3600000,
"MinSessionExpiresSeconds": 300
},
"ConferenceCalling": {
"conferenceServer": "sip:confserver@vzims.com"
},
"AllowWiFiCallingAutoProvisioning": false,
"EnableBrandedCallingByDefault": true,
"ShowWiFiCallingRoamingSwitch": true,
"ShowBrandedCallingSwitch": true,
"SMS": {
"SMSBundleToVoice": false,
"enableInNonVoLTEMode": true,
"SupportedDomains": {
"GSM": false,
"LTE": true,
"UMTS": false
},
"DCN": {
"destinationNumber": "+14437501000",
"hysteresisTimeout": 10
}
},
"EnableWiFiCallingWithoutEntitlement": false,
"MinDataSchemaVerSecondary": 5,
"XCAP": {
"supported": false
}
} |
| IMSConfigSecondaryOverlay | absent | {"Media":{"SRTPUnencryptedSRTCP":false,"SRTPUnauthenticatedSRTP":false,"SRTPCryptoSuite":"AES_CM_128_HMAC_SHA1_80","SRTPUnencryptedSRTP":false},"Signaling":{"ConnectivityType":"Wifi","UseCustomSSOAuth":true,"DefaultLocalSipPort":0,"ForcedFeatureTags":"ipcall","DefaultRemoteSipPort":443,"AdditionalHe… {
"Media": {
"SRTPUnencryptedSRTCP": false,
"SRTPUnauthenticatedSRTP": false,
"SRTPCryptoSuite": "AES_CM_128_HMAC_SHA1_80",
"SRTPUnencryptedSRTP": false
},
"Signaling": {
"ConnectivityType": "Wifi",
"UseCustomSSOAuth": true,
"DefaultLocalSipPort": 0,
"ForcedFeatureTags": "ipcall",
"DefaultRemoteSipPort": 443,
"AdditionalHeaders": {
"ACK,BYE,CANCEL,REGISTER,PRACK,SUBSCRIBE,INFO,REFER,MESSAGE,UPDATE,OPTIONS,INVITE:*[wifi]": [
"P-com.Service: ARC"
],
"INVITE[wifi]": [
"Security-Verify: sdes-srtp;mediasec",
"Proxy-Require: mediasec",
"P-com.Service: ARC"
]
},
"IncomingCallEndReasons": {
"CallLimitReached": {
"ReasonHeaderText": "Simultaneous Call Limit Has Already Been Reached",
"StatusCode": 403,
"TerminationEvent": "SecondaryDeviceInUse"
}
},
"AdditionalContactParams": {
"REGISTER": "+g.3gpp.smsip;q=0.5"
},
"ForceTls": true,
"ContactUser": "+MDN",
"TLSKeepAliveIntervalSeconds": 840,
"AlwaysAddSipInstance": true,
"SendLocalTimeZoneInformation": true
},
"Voice": {
"EnableHeldCallHandoff": false,
"BlockSilentRedialOverCS": true,
"E911OverITechSupported": true
},
"EnableWiFiCallingWithoutEntitlement": false
} |
| TechSettings | absent | {"FatalActivationErrors":[11000,11001,9000],"ChildSAs":{"FirstChild":{"ChildProposals":[{"Lifetime":86400,"ChildProtocol":"ESP","EncryptionAlgorithm":["AES-256"],"IntegrityAlgorithm":["SHA2-256"],"SecureRekey":0}],"InstallPolicies":true}},"iRatPolicies":{"PreferredTechnology":"cellular","PreferredTe… {
"FatalActivationErrors": [
11000,
11001,
9000
],
"ChildSAs": {
"FirstChild": {
"ChildProposals": [
{
"Lifetime": 86400,
"ChildProtocol": "ESP",
"EncryptionAlgorithm": [
"AES-256"
],
"IntegrityAlgorithm": [
"SHA2-256"
],
"SecureRekey": 0
}
],
"InstallPolicies": true
}
},
"iRatPolicies": {
"PreferredTechnology": "cellular",
"PreferredTechnologyRoaming": "cellular"
},
"ExtraConfigurationAttributeRequestv6": [
{
"Identifier": 16390,
"Name": "AssignedPCSCFIPv6",
"Type": "IPv6Address"
}
],
"WifiCallingAllowedInRoaming": true,
"EPDGTimeout": 30,
"ActivationBackoffErrors": 10500,
"5wiServiceMask": 3,
"IKE": {
"Proposals": [
{
"EncryptionAlgorithm": "AES-256",
"IntegrityAlgorithm": "SHA2-256",
"DHGroup": 14,
"AuthenticationMethod": "None",
"Lifetime": 80000,
"EAPMethod": "EAP-AKA",
"PRFAlgorithm": "SHA2-256"
}
],
"DeadPeerDetectionEnabled": false,
"DeadPeerDetectionMaxRetries": 4,
"DeadPeerDetectionInterval": 600,
"DisableSwitchToNATTPort": true,
"NATTKeepAliveOffload": true,
"LocalIdentifier": "0$impi_user@nai.epc.mnc$mnc.mcc$mcc.3gppnetwork.org",
"RemoteAddress": "wo.vzwwo.com",
"DeadPeerDetectionRetryInterval": 10
},
"AllowRoamingHandover": false,
"SetHandOverIPv6Prefix": true,
"SupportCallHandover": true
} |
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iOS 27.2 beta 3 image · build 73.0 beta 
iOS 26.5 – 26.6.2 image · build 70.1 
iOS 18.5 – 18.6.2 image · build 64.0.1 
OTA iOS 16.4+ · build 54.1