{
  "Signaling": {
    "IgnoreRegNotificationContactExpires": true,
    "AdditionalContactParams": {
      "REGISTER,INVITE,INVITE:*": "+g.3gpp.mid-call;+g.3gpp.srvcc-alerting;+g.3gpp.ps2cs-srvcc-orig-pre-alerting"
    },
    "DefaultAuthAlgorithm": "AKAv1-MD5",
    "TriggerCSFBOnSDPError": true,
    "SupportPEarlyMediaHeader": true,
    "SipTimers": {
      "InviteResponseTimeout": 10000
    },
    "WaitForRingingTimerMOSeconds": 22,
    "AdditionalHeaders": {
      "INVITE,INVITE:*": "Feature-Caps: *;+g.3gpp.srvcc-alerting"
    },
    "AlwaysUnsubscribeFromRegEvents": false,
    "SubscriptionTerminatedMeansRegistrationTerminated": true,
    "InviteErrorResponsesToTriggerCSFB": "3XX,5XX,6XX",
    "TriggerCSFBOnWaitForRingingTimeout": true,
    "DropRegistrationOnSRVCC": true,
    "AlwaysSendSessionProgress": true,
    "strictCallFlows": true,
    "RingbackTimerSeconds": 45,
    "AlwaysAddPrivacyHeader": true,
    "WaitForRingingTimerMTSeconds": 22,
    "Preconditions": "Supported",
    "UseIPSec": true,
    "RingingTimerSeconds": 45,
    "RegistrationExpirationSeconds": 7200
  },
  "ConferenceCalling": {
    "conferenceServer": "conf_uri@ims.mnc002.mcc422.3gppnetwork.org",
    "SendConferenceSubscribeInNewDialog": true,
    "TreatAllNotificationsAsPartial": true,
    "AlwaysSubscribeToConferenceEvents": true
  },
  "SMS": {
    "allowCSFBInVolteMode": true
  },
  "Media": {
    "EnableBandwidthSpecifiers": true,
    "InactivityTimerRTPSeconds": 15,
    "RingbackTone": "CEPT",
    "UseSDPTemplateWhenAnswering": true,
    "IncludeSDPModeChangeCapability": true
  },
  "Voice": {
    "EnableVolteByDefault": true
  }
}