{
  "Signaling": {
    "AdditionalContactParams": {
      "REGISTER,INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting"
    },
    "DefaultAuthAlgorithm": "AKAv1-MD5",
    "TriggerCSFBOnSDPError": true,
    "AlwaysAddSipInstance": true,
    "SupportPEarlyMediaHeader": true,
    "UseFakeSAsForDeregistration": true,
    "EarlyMediaNeedsHeader": true,
    "IPSecSegmentOffset": 210,
    "OutgoingDomain": "1",
    "SipTimers": {
      "InviteResponseTimeout": 3000
    },
    "AdditionalHeaders": {
      "INVITE": "Accept: application/sdp,application/3gpp-ims+xml",
      "INVITE,INVITE:*": "Feature-Caps: *;+g.3gpp.srvcc-alerting"
    },
    "SendLocalTimeZoneInformation": true,
    "AlwaysUnsubscribeFromRegEvents": false,
    "InviteErrorResponsesToTriggerCSFB": "403,408,5XX",
    "AlwaysSendSessionProgress": true,
    "MaxUdpMessageSize": 1200,
    "NetworkTerminationRetryIntervalSeconds": 10,
    "strictCallFlows": true,
    "WaitForRingingTimerMTSeconds": 7,
    "CountryOfOriginationFormat": "BOTH",
    "Preconditions": "Supported",
    "EnableCellularNetworkInfo": true,
    "IncompleteRegistrationThrottlingIntervalSeconds": 1,
    "SendPreconditionsInConfirmedSessions": true,
    "UseIPSec": true,
    "RegistrationExpirationSeconds": 7200,
    "SendInitialInviteAsInactive": true
  },
  "ConferenceCalling": {
    "conferenceServer": "sip:mmtel@conf-factory.ims.mnc010.mcc226.3gppnetwork.org",
    "SendConferenceSubscribeInNewDialog": true
  },
  "Media": {
    "IncludeSDPModeChangeCapability": true,
    "RTCPIntervalSeconds": 5,
    "PreferredAMRWBMode": 8,
    "EnableBandwidthSpecifiers": true,
    "AudioCodecs": {
      "96": {
        "max-red": "0",
        "SampleRate": 16000,
        "EncodingName": "EVS",
        "br": "9.6-24.4",
        "bw": "swb"
      },
      "97": {
        "max-red": "0",
        "SampleRate": 16000,
        "EncodingName": "EVS",
        "br": "5.9-24.4",
        "bw": "nb-swb"
      }
    },
    "EnforceEarlyMediaDirection": true,
    "UseSDPTemplateForAllInvites": true,
    "InactivityTimerRTPSeconds": 20,
    "RingbackTone": "CEPT",
    "EVSHardBwLimit": "nb-swb",
    "IncludeSDPMaxRed": true
  },
  "Voice": {
    "EnableVolteByDefault": true,
    "E911OverIMSSupported": true
  }
}