{
  "Signaling": {
    "EnableLastAccessNetworkInfo": false,
    "AdditionalContactParams": {
      "REGISTER,INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;+g.3gpp.ps2cs-srvcc-orig-pre-alerting"
    },
    "TriggerCSFBOnSDPError": true,
    "AlwaysAddSipInstance": true,
    "SupportPEarlyMediaHeader": true,
    "CSFBOnAccessBarred": false,
    "UseFakeSAsForDeregistration": true,
    "ForbiddenRegistrationErrorCodes": "",
    "EarlyMediaNeedsHeader": true,
    "UseOutgoingSipUri": true,
    "strictCallFlows": true,
    "AlwaysUnsubscribeFromRegEvents": true,
    "AllowResponsesOverDifferentTransport": true,
    "InviteErrorResponsesToTriggerCSFB": "3XX,4XX,5XX,6XX",
    "AlwaysSendSessionProgress": true,
    "RingbackTimerSeconds": 40,
    "SendPreferredServiceInInvite": true,
    "CountryOfOriginationFormat": "PANI",
    "Preconditions": "None",
    "UseIPSec": true,
    "RingingTimerSeconds": 45
  },
  "ConferenceCalling": {
    "conferenceServer": "sip:ALU_CONF@ims.attmex.mx",
    "SendConferenceSubscribeInNewDialog": true,
    "AlwaysSubscribeToConferenceEvents": false,
    "SendConferenceSubscribeAfterRefers": true
  },
  "SMS": {
    "allowCSFBInVolteMode": true
  },
  "Media": {
    "SuppressOctetAlignAttributeForBECodecs": true,
    "InactivityTimerRTPSeconds": 20,
    "PreferredAMRWBMode": 8,
    "UseSDPTemplateWhenAnswering": true,
    "EnableRTCPExtendedReports": false,
    "EnableBandwidthSpecifiers": true,
    "InactivityTimerRTCPSeconds": 36000,
    "ModeSetAMRWB": "0,1,2",
    "IncludeSDPModeChangeCapability": true,
    "RingbackTone": "CEPT",
    "UseSDPTemplateForAllInvites": false,
    "OriginUsername": "",
    "AllowHoldMusic": true,
    "ModeSetAMRNB": "7",
    "IncludeSDPMaxRed": true
  },
  "Voice": {
    "EnableVolteByDefault": false
  }
}