{
  "Media": {
    "PacketAlignmentAMRWB": "octetAlignedOnly",
    "PacketAlignmentAMRNB": "octetAlignedOnly",
    "RTCPIntervalSeconds": 5,
    "PayloadTypeOctetAlignAMRNB": 101,
    "EnableSDPCandidateAttribute": true,
    "EnableBandwidthSpecifiers": true,
    "PayloadTypeDTMF16K": 99,
    "PayloadTypeBWEfficientAMRNB": 100,
    "AudioCodecs": {
      "110": {
        "br": "9.6-24.4",
        "SampleRate": 16000,
        "EncodingName": "EVS",
        "bw": "nb-swb"
      }
    },
    "dtmfDigitDuration16K": 2240,
    "pdtmfInterDigitInterval16K": 320,
    "InactivityTimerRTCPSeconds": "36000",
    "dtmfDigitDuration8K": 1120,
    "EVSHardBwLimit": "nb-swb",
    "UseSDPTemplateForAllInvites": true,
    "PayloadTypeOctetAlignAMRWB": 98,
    "PayloadTypeDTMF8K": 102,
    "PayloadTypeBWEfficientAMRWB": 97
  },
  "Signaling": {
    "DefaultAuthAlgorithm": "AKAv1-MD5",
    "RegistrationPolicy": "TTAK",
    "SupportPEarlyMediaHeader": true,
    "DefaultRemoteSipPortOverwriteForEmergencyRoaming": 5060,
    "EarlyMediaNeedsHeader": true,
    "ReRegisterOnErrorCodes": "INVITE:60,403,406,408,504",
    "DefaultRemoteSipPort": 5080,
    "AcceptContactParams": "require;explicit",
    "EnableEmergencyRegistration": false,
    "PreferredSenderIdentity": "first",
    "ContactUser": "MDN",
    "SecurityAgreementEalgs": "aes-cbc,null",
    "InviteErrorResponsesToTriggerCSFB": "380,404,414,499,606",
    "RegistrationBaseTime": 30,
    "MaxUdpMessageSize": 3000,
    "SipTimers": {
      "A": 1000,
      "InviteResponseTimeout": 5000,
      "I": 17000,
      "B": 8000,
      "J": 32000,
      "C": 72000,
      "K": 17000,
      "T4": 17000,
      "D": 32000,
      "E": 2000,
      "F": 16000,
      "T1": 2000,
      "G": 2000,
      "T2": 16000,
      "H": 36000
    },
    "EmergencyURNs": {
      "111": "urn:service:sos.country-specific.kr.111",
      "112": "urn:service:sos.police",
      "113": "urn:service:sos.country-specific.kr.113",
      "117": "urn:service:sos.country-specific.kr.117",
      "118": "urn:service:sos.country-specific.kr.118",
      "119": "urn:service:sos.fire",
      "122": "urn:service:sos.marine",
      "125": "urn:service:sos.country-specific.kr.125",
      "911": "urn:service:sos.fire"
    },
    "RingbackTimerSeconds": 180,
    "SendPreferredServiceInInvite": true,
    "IncomingPhoneNumberPrefixMap": {
      "+82": "0"
    },
    "RequirePreconditionsWhenMandatory": false,
    "SessionExpiresSeconds": 360,
    "Preconditions": "None",
    "UseNormalIdentityForEmergencyCalls": true,
    "CallEndReasons": {
      "Blocked": {
        "ReasonHeaderText": "Decline",
        "StatusCode": 603
      },
      "InternalError": {
        "ExtraHeaders": {
          "P-SKT-BYE-CAUSE": "normal"
        },
        "ReasonHeaderCause": 104,
        "ReasonHeaderText": "Unknown",
        "ReasonHeaderProtocol": "ETC"
      },
      "RejectedByUser": {
        "ReasonHeaderText": "Decline",
        "StatusCode": 603
      },
      "UserTriggered": {
        "ExtraHeaders": {
          "P-SKT-BYE-CAUSE": "normal"
        },
        "ReasonHeaderCause": 101,
        "ReasonHeaderText": "User triggered",
        "ReasonHeaderProtocol": "USER"
      },
      "MediaTimeout": {
        "ExtraHeaders": {
          "P-SKT-BYE-CAUSE": "no_rtp"
        },
        "ReasonHeaderCause": 102,
        "ReasonHeaderText": "RTP timeout",
        "ReasonHeaderProtocol": "RTP"
      },
      "DoNotDisturb": {
        "ReasonHeaderText": "Decline",
        "StatusCode": 603
      },
      "SessionExpired": {
        "ExtraHeaders": {
          "P-SKT-BYE-CAUSE": "no_upd"
        },
        "ReasonHeaderCause": 103,
        "ReasonHeaderText": "Session-Expire",
        "ReasonHeaderProtocol": "SIP"
      }
    },
    "UserAgentHeaderValue": "TTA-VoLTE/2.0 ${OS}/${OS_VERSION} ${DEVICE}/1.0/KT",
    "RingingTimerSeconds": 90,
    "RegistrationMaxTime": 1800,
    "UseIPSec": true,
    "SecurityAgreementAlgs": "hmac-md5-96,hmac-sha-1-96"
  },
  "ConferenceCalling": {
    "ConferenceSupport": false
  },
  "SMS": {
    "enableInNonVoLTEMode": false,
    "allowCSFBInVolteMode": false
  },
  "Voice": {
    "CheckIMSPrefForEmergency": false,
    "DialAsEmergencyOverIMSForUndetectedEmergency": true,
    "EnableVolteByDefault": true
  }
}