Telnyx UAC Connections API

openapi: 3.2.0
info:
  contact:
    email: support@telnyx.com
  description: Telnyx provides global communications and connectivity APIs for developers — including SIP trunking, programmable voice, SMS, MMS, WhatsApp Business Messaging, Call Control, Fax, Wireless (IoT & eSIM), Phone Numbers (DID provisioning & porting), Emergency Services, and Network APIs for private interconnects and edge connectivity. Build, scale, and manage voice, messaging, and data networks with Telnyx's carrier-grade global infrastructure and API-first platform.
  title: Telnyx UAC Connections API
  version: 2.0.0
  x-endpoint-cost: light
servers:
- description: Version 2.0.0 of the Telnyx API
  url: https://api.telnyx.com/v2
security:
- bearerAuth: []
tags:
- description: UAC connection operations
  name: UAC Connections
paths:
  /uac_connections:
    get:
      description: Returns a list of your UAC connections. A UAC (User Agent Client) Connection registers Telnyx to your PBX — the opposite of a standard SIP trunk, where the PBX registers to Telnyx. Use UAC when your PBX doesn’t support outbound SIP registration or you need Telnyx to maintain the registration.
      operationId: ListUacConnections
      parameters:
      - $ref: '#/components/parameters/connections_FilterConsolidated'
      - $ref: '#/components/parameters/connections_PageConsolidated'
      - $ref: '#/components/parameters/connections_SortConnection'
      responses:
        '200':
          $ref: '#/components/responses/ListUacConnectionsResponse'
        '400':
          $ref: '#/components/responses/connections_BadRequestResponse'
        '401':
          $ref: '#/components/responses/UnauthenticatedResponse'
        '403':
          $ref: '#/components/responses/connections_UnauthorizedResponse'
      summary: List UAC connections
      tags:
      - UAC Connections
      x-endpoint-cost: medium
      x-group-parameters: 'true'
      x-latency-category: responsive
    post:
      description: Creates a UAC connection. A UAC (User Agent Client) Connection registers Telnyx to your PBX — the opposite of a standard SIP trunk, where the PBX registers to Telnyx. Use UAC when your PBX doesn’t support outbound SIP registration or you need Telnyx to maintain the registration.
      operationId: CreateUacConnection
      parameters: []
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/CreateUacConnectionRequest'
        description: Parameters that can be defined during UAC connection creation
        required: true
      responses:
        '201':
          $ref: '#/components/responses/UacConnectionResponse'
        '401':
          $ref: '#/components/responses/UnauthenticatedResponse'
        '403':
          $ref: '#/components/responses/connections_UnauthorizedResponse'
        '422':
          $ref: '#/components/responses/connections_UnprocessableEntityResponse'
      summary: Create a UAC connection
      tags:
      - UAC Connections
      x-endpoint-cost: medium
      x-latency-category: responsive
  /uac_connections/{id}:
    delete:
      description: Deletes an existing UAC connection.
      operationId: DeleteUacConnection
      parameters:
      - description: Identifies the resource.
        in: path
        name: id
        required: true
        schema:
          type: string
      responses:
        '200':
          $ref: '#/components/responses/UacConnectionResponse'
        '400':
          $ref: '#/components/responses/connections_BadRequestResponse'
        '401':
          $ref: '#/components/responses/UnauthenticatedResponse'
        '403':
          $ref: '#/components/responses/connections_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/connections_NotFoundResponse'
      summary: Delete a UAC connection
      tags:
      - UAC Connections
      x-latency-category: responsive
    get:
      description: Retrieves the details of an existing UAC connection.
      operationId: RetrieveUacConnection
      parameters:
      - description: Identifies the resource.
        in: path
        name: id
        required: true
        schema:
          type: string
      responses:
        '200':
          $ref: '#/components/responses/UacConnectionResponse'
        '400':
          $ref: '#/components/responses/connections_BadRequestResponse'
        '401':
          $ref: '#/components/responses/UnauthenticatedResponse'
        '403':
          $ref: '#/components/responses/connections_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/connections_NotFoundResponse'
      summary: Retrieve a UAC connection
      tags:
      - UAC Connections
      x-latency-category: responsive
    patch:
      description: Updates settings of an existing UAC connection.
      operationId: UpdateUacConnection
      parameters:
      - description: Identifies the resource.
        in: path
        name: id
        required: true
        schema:
          type: string
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdateUacConnectionRequest'
        description: Parameters that can be updated in a UAC connection
        required: true
      responses:
        '200':
          $ref: '#/components/responses/UacConnectionResponse'
        '401':
          $ref: '#/components/responses/UnauthenticatedResponse'
        '403':
          $ref: '#/components/responses/connections_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/connections_NotFoundResponse'
        '422':
          $ref: '#/components/responses/connections_UnprocessableEntityResponse'
      summary: Update a UAC connection
      tags:
      - UAC Connections
      x-latency-category: responsive
  /uac_connections/{id}/actions/check_registration_status:
    post:
      description: Checks the registration status for a UAC connection (`registration_status`) as well as the timestamp for the last SIP registration event (`registration_status_updated_at`).
      operationId: CheckUacConnectionRegistrationStatus
      parameters:
      - description: Identifies the resource.
        in: path
        name: id
        required: true
        schema:
          type: string
      responses:
        '200':
          $ref: '#/components/responses/RegistrationStatusResponse'
        '400':
          $ref: '#/components/responses/connections_BadRequestResponse'
        '401':
          $ref: '#/components/responses/UnauthenticatedResponse'
        '403':
          $ref: '#/components/responses/connections_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/connections_NotFoundResponse'
      summary: Check a UAC Connection Registration Status
      tags:
      - UAC Connections
      x-latency-category: responsive
components:
  schemas:
    UacInboundRequest:
      description: Inbound settings that can be supplied when creating or updating a UAC connection. The SIP subdomain fields returned in UAC connection responses are generated by Telnyx and are not accepted as request parameters.
      example:
        ani_number_format: +E.164
        channel_limit: 10
        codecs:
        - G722
        default_routing_method: sequential
        dnis_number_format: +e164
        generate_ringback_tone: true
        isup_headers_enabled: true
        prack_enabled: true
        shaken_stir_enabled: true
        simultaneous_ringing: enabled
        sip_compact_headers_enabled: true
        timeout_1xx_secs: 10
        timeout_2xx_secs: 20
      properties:
        ani_number_format:
          default: E.164-national
          description: This setting allows you to set the format with which the caller's number (ANI) is sent for inbound phone calls.
          enum:
          - +E.164
          - E.164
          - +E.164-national
          - E.164-national
          type: string
        channel_limit:
          default: null
          description: When set, this will limit the total number of inbound calls to phone numbers associated with this connection.
          type: integer
        codecs:
          default:
          - G722
          - G711U
          - G711A
          - G729
          - OPUS
          - H.264
          description: 'Defines the list of codecs that Telnyx will send for inbound calls to a specific number on your portal account, in priority order. This only works when the Connection the number is assigned to uses Media Handling mode: default. OPUS and H.264 codecs are available only when using TCP or TLS transport for SIP.'
          items:
            type: string
          type: array
        default_routing_method:
          description: Default routing method to be used when a number is associated with the connection. Must be one of the routing method types or left blank, other values are not allowed.
          enum:
          - sequential
          - round-robin
          type: string
        dnis_number_format:
          default: e164
          enum:
          - +e164
          - e164
          - national
          - sip_username
          type: string
        generate_ringback_tone:
          default: false
          description: Generate ringback tone through 183 session progress message with early media.
          type: boolean
        isup_headers_enabled:
          default: false
          description: When set, inbound phone calls will receive ISUP parameters via SIP headers. (Only when available and only when using TCP or TLS transport.)
          type: boolean
        prack_enabled:
          default: false
          description: Enable PRACK messages as defined in RFC3262.
          type: boolean
        shaken_stir_enabled:
          default: false
          description: When enabled the SIP Connection will receive the Identity header with Shaken/Stir data in the SIP INVITE message of inbound calls, even when using UDP transport.
          type: boolean
        simultaneous_ringing:
          default: disabled
          description: When enabled, allows multiple devices to ring simultaneously on incoming calls.
          enum:
          - disabled
          - enabled
          type: string
        sip_compact_headers_enabled:
          default: true
          description: Defaults to true.
          type: boolean
        timeout_1xx_secs:
          default: 3
          description: Time(sec) before aborting if connection is not made.
          maximum: 120
          minimum: 1
          type: integer
        timeout_2xx_secs:
          default: 90
          description: 'Time(sec) before aborting if call is unanswered (min: 1, max: 600).'
          maximum: 600
          minimum: 1
          type: integer
      title: UAC Inbound Request
      type: object
    ConnectionJitterBuffer:
      description: Configuration options for Jitter Buffer. Enables Jitter Buffer for RTP streams of SIP Trunking calls. The feature is off unless enabled. You may define min and max values in msec for customized buffering behaviors. Larger values add latency but tolerate more jitter, while smaller values reduce latency but are more sensitive to jitter and reordering.
      properties:
        enable_jitter_buffer:
          default: false
          description: Enables Jitter Buffer for RTP streams of SIP Trunking calls. The feature is off unless enabled.
          example: true
          type: boolean
        jitterbuffer_msec_max:
          default: 200
          description: The maximum jitter buffer size in milliseconds. Must be between 40 and 400. Has no effect if enable_jitter_buffer is not true.
          example: 200
          maximum: 400
          minimum: 40
          type: integer
        jitterbuffer_msec_min:
          default: 60
          description: The minimum jitter buffer size in milliseconds. Must be between 40 and 400. Has no effect if enable_jitter_buffer is not true.
          example: 60
          maximum: 400
          minimum: 40
          type: integer
      type: object
    DtmfType:
      default: RFC 2833
      description: Sets the type of DTMF digits sent from Telnyx to this Connection. Note that DTMF digits sent to Telnyx will be accepted in all formats.
      enum:
      - RFC 2833
      - Inband
      - SIP INFO
      example: Inband
      title: DTMF Type
      type: string
    AnchorsiteOverride:
      default: Latency
      description: '`Latency` directs Telnyx to route media through the site with the lowest round-trip time to the user''s connection. Telnyx calculates this time using ICMP ping messages. This can be disabled by specifying a site to handle all media.'
      enum:
      - Latency
      - Chicago, IL
      - Ashburn, VA
      - San Jose, CA
      - Sydney, Australia
      - Amsterdam, Netherlands
      - London, UK
      - Toronto, Canada
      - Vancouver, Canada
      - Frankfurt, Germany
      example: Amsterdam, Netherlands
      title: Anchorsite Override
      type: string
    UacInternalSettings:
      description: Internal Telnyx-side settings for a UAC connection.
      example:
        destination_uri: 14155550123@acme.sip.telnyx.com
      properties:
        destination_uri:
          description: The SIP URI that Telnyx will call when handling an inbound request from the external peer. Do not include a `sip:` prefix. The value must be in the format `userinfo@<subdomain.>sip.telnyx.com` or `userinfo@<subdomain.>sipdev.telnyx.com`; the userinfo portion may contain only letters, digits, hyphens, and underscores.
          example: 14155550123@acme.sip.telnyx.com
          type: string
      title: UAC Internal Settings
      type: object
    Fqdn:
      example:
        connection_id: '1516447646313612565'
        created_at: '2018-02-02T22:25:27.521Z'
        dns_record_type: a
        fqdn: example.com
        id: '1293384261075731499'
        port: 5060
        record_type: fqdn
        updated_at: '2018-02-02T22:25:27.521Z'
      properties:
        connection_id:
          description: ID of the FQDN connection to which this FQDN is attached.
          type: string
        created_at:
          description: ISO 8601 formatted date indicating when the resource was created.
          example: '2018-02-02T22:25:27.521Z'
          type: string
        dns_record_type:
          description: The DNS record type for the FQDN. For cases where a port is not set, the DNS record type must be 'srv'. For cases where a port is set, the DNS record type must be 'a'. If the DNS record type is 'a' and a port is not specified, 5060 will be used.
          example: a
          type: string
        fqdn:
          description: FQDN represented by this resource.
          example: example.com
          type: string
        id:
          description: Identifies the resource.
          example: '1293384261075731499'
          type: string
          x-format: int64
        port:
          default: 5060
          description: Port to use when connecting to this FQDN.
          example: 5060
          type: integer
        record_type:
          description: Identifies the type of the resource.
          example: fqdn
          type: string
        updated_at:
          description: ISO 8601 formatted date indicating when the resource was updated.
          example: '2018-02-02T22:25:27.521Z'
          type: string
      title: Fqdn
      type: object
    UacConnection:
      description: A UAC (User Agent Client) Connection registers Telnyx to your PBX — the opposite of a standard SIP trunk, where the PBX registers to Telnyx. Use UAC when your PBX doesn’t support outbound SIP registration or you need Telnyx to maintain the registration.
      example:
        active: true
        anchorsite_override: Latency
        android_push_credential_id: 06b09dfd-7154-4980-8b75-cebf7a9d4f8e
        authentication: uac-authentication
        call_cost_in_webhooks: false
        connection_name: string
        created_at: '2018-02-02T22:25:27.521Z'
        default_on_hold_comfort_noise_enabled: true
        dtmf_type: RFC 2833
        encode_contact_header_enabled: true
        encrypted_media: SRTP
        external_uac_settings:
          auth_username: auth8492
          expiration_sec: 600
          from_user: '8492'
          outbound_proxy: outbound.sip-pbx.acme.example:5061
          password: testtesttest
          proxy: sip-pbx.acme.example
          transport: TLS
          username: ext8492
        fqdn: abc123def456.uac.telnyx.com
        fqdn_outbound_authentication: credential-authentication
        fqdns:
        - connection_id: 6a09cdc3-8948-47f0-aa62-74ac943d6c58
          created_at: '2018-02-02T22:25:27.521Z'
          dns_record_type: srv
          fqdn: abc123def456.uac.telnyx.com
          id: '1293384261075731499'
          port: 5060
          record_type: fqdn
          updated_at: '2018-02-02T22:25:27.521Z'
        id: 6a09cdc3-8948-47f0-aa62-74ac943d6c58
        inbound:
          ani_number_format: +E.164
          channel_limit: 10
          codecs:
          - G722
          dnis_number_format: +e164
          generate_ringback_tone: true
          isup_headers_enabled: true
          prack_enabled: true
          shaken_stir_enabled: true
          simultaneous_ringing: enabled
          sip_compact_headers_enabled: true
          timeout_1xx_secs: 10
          timeout_2xx_secs: 15
        internal_uac_settings:
          destination_uri: 14155550123@acme.sip.telnyx.com
        ios_push_credential_id: ec0c8e5d-439e-4620-a0c1-9d9c8d02a836
        jitter_buffer:
          enable_jitter_buffer: true
          jitterbuffer_msec_max: 200
          jitterbuffer_msec_min: 60
        noise_suppression: both
        noise_suppression_details:
          attenuation_limit: 80
          engine: deep_filter_net
        onnet_t38_passthrough_enabled: true
        outbound:
          ani_override: string
          ani_override_type: always
          call_parking_enabled: true
          channel_limit: 10
          generate_ringback_tone: true
          instant_ringback_enabled: true
          localization: string
          outbound_voice_profile_id: '1293384261075731499'
          t38_reinvite_source: customer
        password: my123secure456password789
        record_type: uac_connection
        registration_status: Registered
        registration_status_updated_at: '2018-02-02T22:25:27.521Z'
        rtcp_settings:
          capture_enabled: true
          port: rtp+1
          report_frequency_secs: 10
        sip_uri_calling_preference: disabled
        tags:
        - tag1
        - tag2
        updated_at: '2018-02-02T22:25:27.521Z'
        user_name: myusername123
        webhook_api_version: '1'
        webhook_event_failover_url: https://failover.example.com
        webhook_event_url: https://example.com
        webhook_timeout_secs: 25
      properties:
        active:
          description: Defaults to true
          type: boolean
        anchorsite_override:
          $ref: '#/components/schemas/AnchorsiteOverride'
        android_push_credential_id:
          $ref: '#/components/schemas/ConnectionAndroidPushCredentialId'
        authentication:
          description: The authentication strategy used by this connection.
          enum:
          - uac-authentication
          example: uac-authentication
          type: string
        call_cost_in_webhooks:
          default: false
          description: Specifies if call cost webhooks should be sent for this connection.
          type: boolean
        connection_name:
          type: string
        created_at:
          description: ISO-8601 formatted date indicating when the resource was created.
          example: '2018-02-02T22:25:27.521Z'
          type: string
        default_on_hold_comfort_noise_enabled:
          default: true
          description: When enabled, Telnyx will generate comfort noise when you place the call on hold. If disabled, you will need to generate comfort noise or on hold music to avoid RTP timeout.
          type: boolean
        dtmf_type:
          $ref: '#/components/schemas/DtmfType'
        encode_contact_header_enabled:
          default: false
          description: Encode the SIP contact header sent by Telnyx to avoid issues for NAT or ALG scenarios.
          type: boolean
        encrypted_media:
          $ref: '#/components/schemas/EncryptedMedia'
        external_uac_settings:
          $ref: '#/components/schemas/UacExternalSettings'
        fqdn:
          description: The Telnyx-managed FQDN generated for the UAC connection.
          example: abc123def456.uac.telnyx.com
          type: string
        fqdn_outbound_authentication:
          description: The fixed outbound authentication mode used by UAC FQDN records.
          enum:
          - credential-authentication
          example: credential-authentication
          type: string
        fqdns:
          description: FQDN records managed automatically by the UAC connection lifecycle.
          items:
            $ref: '#/components/schemas/Fqdn'
          type: array
        id:
          description: Identifies the type of resource.
          example: '1293384261075731499'
          type: string
          x-format: int64
        inbound:
          $ref: '#/components/schemas/UacInbound'
        internal_uac_settings:
          $ref: '#/components/schemas/UacInternalSettings'
        ios_push_credential_id:
          $ref: '#/components/schemas/ConnectionIosPushCredentialId'
        jitter_buffer:
          $ref: '#/components/schemas/ConnectionJitterBuffer'
        noise_suppression:
          $ref: '#/components/schemas/ConnectionNoiseSuppression'
        noise_suppression_details:
          $ref: '#/components/schemas/ConnectionNoiseSuppressionDetails'
        onnet_t38_passthrough_enabled:
          default: false
          description: Enable on-net T38 if you prefer the sender and receiver negotiating T38 directly if both are on the Telnyx network. If this is disabled, Telnyx will be able to use T38 on just one leg of the call depending on each leg's settings.
          type: boolean
        outbound:
          $ref: '#/components/schemas/UacOutbound'
        password:
          description: The password to be used as part of the credentials. Must be 8 to 128 characters long.
          example: my123secure456password789
          type: string
        record_type:
          description: Identifies the type of the resource.
          example: uac_connection
          type: string
        registration_status:
          description: The most recently known SIP registration status for this UAC connection.
          example: Registered
          type:
          - string
          - 'null'
        registration_status_updated_at:
          description: ISO 8601 formatted date indicating when the registration status was last updated.
          example: '2018-02-02T22:25:27.521Z'
          type:
          - string
          - 'null'
        rtcp_settings:
          $ref: '#/components/schemas/ConnectionRtcpSettings'
        sip_uri_calling_preference:
          description: This feature enables inbound SIP URI calls to your Credential Auth Connection. If enabled for all (unrestricted) then anyone who calls the SIP URI <your-username>@telnyx.com will be connected to your Connection. You can also choose to allow only calls that are originated on any Connections under your account (internal).
          enum:
          - disabled
          - unrestricted
          - internal
          example: disabled
          type: string
        tags:
          description: Tags associated with the connection.
          example:
          - tag1
          - tag2
          items:
            type: string
          type: array
        updated_at:
          description: ISO-8601 formatted date indicating when the resource was updated.
          example: '2018-02-02T22:25:27.521Z'
          type: string
        user_name:
          description: The user name to be used as part of the credentials. Must be 4-32 characters long and alphanumeric values only (no spaces or special characters). At least one of the first 5 characters must be a letter.
          example: myusername123
          type: string
        webhook_api_version:
          default: '1'
          description: Determines which webhook format will be used, Telnyx API v1 or v2.
          enum:
          - '1'
          - '2'
          example: '1'
          type: string
        webhook_event_failover_url:
          default: ''
          description: The failover URL where webhooks related to this connection will be sent if sending to the primary URL fails. Must include a scheme, such as 'https'.
          example: https://failover.example.com
          format: uri
          type:
          - string
          - 'null'
        webhook_event_url:
          description: The URL where webhooks related to this connection will be sent. Must include a scheme, such as 'https'.
          example: https://example.com
          format: uri
          type: string
        webhook_timeout_secs:
          default: null
          description: Specifies how many seconds to wait before timing out a webhook.
          example: 25
          maximum: 30
          minimum: 0
          type:
          - integer
          - 'null'
      title: UAC Connection
      type: object
    EncryptedMedia:
      description: Enable use of SRTP for encryption. Cannot be set if the transport_portocol is TLS.
      enum:
      - SRTP
      - null
      example: SRTP
      type:
      - string
      - 'null'
    ErrorResponse:
      properties:
        errors:
          items:
            properties:
              code:
                type: string
              detail:
                type: string
              meta:
                properties:
                  url:
                    format: uri
                    type: string
                type: object
              source:
                properties:
                  pointer:
                    type: string
                type: object
              title:
                type: string
            type: object
          type: array
      type: object
    UacExternalSettings:
      description: External SIP peer settings used by Telnyx when registering to your PBX and routing outbound calls.
      example:
        auth_username: auth8492
        expiration_sec: 600
        from_user: '8492'
        outbound_proxy: outbound.sip-pbx.acme.example:5061
        password: testtesttest
        proxy: sip-pbx.acme.example
        transport: TLS
        username: ext8492
      properties:
        auth_username:
          description: The authentication username used in SIP digest authentication. If not set, the Username value will be used.
          example: auth8492
          type:
          - string
          - 'null'
        expiration_sec:
          description: The registration interval, in seconds, indicating how often the system refreshes the SIP registration with the external SIP peer.
          example: 600
          minimum: 1
          type:
          - integer
          - 'null'
        from_user:
          description: The user portion of the SIP From header used in outbound requests. This controls the caller identity presented to the external SIP peer.
          example: '8492'
          type:
          - string
          - 'null'
        outbound_proxy:
          description: An optional SIP proxy used to route outbound requests before reaching the external SIP peer.
          example: outbound.sip-pbx.acme.example:5061
          type:
          - string
          - 'null'
        password:
          description: The SIP password used for digest authentication with the external SIP peer.
          example: testtesttest
          type: string
        proxy:
          description: The SIP proxy address of the external SIP peer used for registrations and outbound call routing.
          example: sip-pbx.acme.example
          type: string
        transport:
          description: The transport protocol used for SIP signaling when communicating with the external SIP peer. One of UDP, TLS, or TCP.
          enum:
          - UDP
          - TLS
          - TCP
          - null
          example: TLS
          type:
          - string
          - 'null'
        username:
          description: The SIP username used to authenticate with the external SIP peer for registrations and outbound calls. Must start with a letter or number and contain only letters, numbers, hyphens, and underscores.
          example: ext8492
          maxLength: 32
          minLength: 4
          type: string
      title: UAC External Settings
      type: object
    UpdateUacConnectionRequest:
      description: Parameters that can be updated in a UAC connection. A UAC (User Agent Client) Connection registers Telnyx to your PBX — the opposite of a standard SIP trunk, where the PBX registers to Telnyx. Use UAC when your PBX doesn’t support outbound SIP registration or you need Telnyx to maintain the registration.
      example:
        active: true
        anchorsite_override: Latency
        android_push_credential_id: 06b09dfd-7154-4980-8b75-cebf7a9d4f8e
        call_cost_in_webhooks: false
        connection_name: my name
        default_on_hold_comfort_noise_enabled: false
        dtmf_type: RFC 2833
        encode_contact_header_enabled: true
        encrypted_media: SRTP
        external_uac_settings:
          auth_username: auth8492
          expiration_sec: 600
          from_user: '8492'
          outbound_proxy: outbound.sip-pbx.acme.example:5061
          password: testtesttest
          proxy: sip-pbx.acme.example
          transport: TLS
          username: ext8492
        inbound:
          ani_number_format: +E.164
          channel_limit: 10
          codecs:
          - G722
          dnis_number_format: +e164
          generate_ringback_tone: true
          isup_headers_enabled: true
          prack_enabled: true
          shaken_stir_enabled: true
          simultaneous_ringing: disabled
          sip_compact_headers_enabled: true
          timeout_1xx_secs: 10
          timeout_2xx_secs: 20
        internal_uac_settings:
          destination_uri: 14155550123@acme.sip.telnyx.com
        ios_push_credential_id: ec0c8e5d-439e-4620-a0c1-9d9c8d02a836
        jitter_buffer:
          enable_jitter_buffer: true
          jitterbuffer_msec_max: 200
          jitterbuffer_msec_min: 60
        noise_suppression: both
        noise_suppression_details:
          attenuation_limit: 80
          engine: deep_filter_net
        onnet_t38_passthrough_enabled: true
        outbound:
          ani_override: always
          call_parking_enabled: true
          channel_limit: 10
          generate_ringback_tone: true
          instant_ringback_enabled: true
          localization: US
          outbound_voice_profile_id: '1293384261075731499'
          t38_reinvite_source: customer
        password: my123secure456password789
        rtcp_settings:
          capture_enabled: true
          port: rtcp-mux
          report_frequency_secs: 10
        sip_uri_calling_preference: disabled
        tags:
        - tag1
        - tag2
        user_name: myusername123
        webhook_api_version: '1'
        webhook_event_failover_url: https://failover.example.com
        webhook_event_url: https://example.com
        webhook_timeout_secs: 25
      properties:
        active:
          description: Defaults to true
          type: boolean
        anchorsite_override:
          $ref: '#/components/schemas/AnchorsiteOverride'
        android_push_credential_id:
          $ref: '#/components/schemas/ConnectionAndroidPushCredentialId'
        call_cost_in_webhooks:
          default: false
          description: Specifies if call cost webhooks should be sent for this connection.
          type: boolean
        connection_name:
          $ref: '#/components/schemas/ConnectionName'
        default_on_hold_comfort_noise_enabled:
          default: false
          description: When enabled, Telnyx will generate comfort noise when you place the call on hold. If disabled, you will need to generate comfort noise or on hold music to avoid RTP timeout.
          type: boolean
        dtmf_type:
          $ref: '#/components/schemas/DtmfType'
        encode_contact_header_enabled:
          default: false
          description: Encode the SIP contact header sent by Telnyx to avoid issues for NAT or ALG scenarios.
          type: boolean
        encrypted_media:
          $ref: '#/components/schemas/EncryptedMedia'
        external_uac_settings:
     

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# Full source: https://raw.githubusercontent.com/api-evangelist/telnyx/refs/heads/main/openapi/telnyx-uac-connections-api-openapi.yml