Telnyx Phone Number Configurations 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 Phone Number Configurations 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: Configure your phone numbers
  name: Phone Number Configurations
paths:
  /phone_numbers:
    get:
      operationId: ListPhoneNumbers
      parameters:
      - $ref: '#/components/parameters/numbers_PageConsolidated'
      - description: Specifies the sort order for results. If not given, results are sorted by created_at in descending order.
        in: query
        name: sort
        required: false
        schema:
          enum:
          - purchased_at
          - phone_number
          - connection_name
          - usage_payment_method
          example: connection_name
          type: string
      - description: 'Consolidated filter parameter (deepObject style). Originally: filter[tag], filter[phone_number], filter[status], filter[country_iso_alpha2], filter[connection_id], filter[voice.connection_name], filter[voice.usage_payment_method], filter[billing_group_id], filter[emergency_address_id], filter[customer_reference], filter[number_type], filter[source]'
        explode: true
        in: query
        name: filter
        schema:
          properties:
            billing_group_id:
              description: Filter by the billing_group_id associated with phone numbers. To filter to only phone numbers that have no billing group associated them, set the value of this filter to the string 'null'.
              example: 62e4bf2e-c278-4282-b524-488d9c9c43b2
              type: string
            connection_id:
              description: Filter by connection_id.
              example: '1521916448077776306'
              type: string
            country_iso_alpha2:
              description: Filter by phone number country ISO alpha-2 code. Can be a single value or an array of values.
              oneOf:
              - example: US
                type: string
              - example:
                - US
                - CA
                items:
                  type: string
                type: array
            customer_reference:
              description: Filter numbers via the customer_reference set.
              type: string
            emergency_address_id:
              description: Filter by the emergency_address_id associated with phone numbers. To filter only phone numbers that have no emergency address associated with them, set the value of this filter to the string 'null'.
              example: '9102160989215728032'
              type: string
            number_type:
              additionalProperties: false
              description: Filter phone numbers by phone number type.
              properties:
                eq:
                  description: Filter phone numbers by phone number type.
                  enum:
                  - local
                  - national
                  - toll_free
                  - mobile
                  - shared_cost
                  type: string
              type: object
            phone_number:
              description: "Filter by phone number. Requires at least three digits.\n             Non-numerical characters will result in no values being returned."
              type: string
            source:
              description: Filter phone numbers by their source. Use 'ported' for numbers ported from other carriers, or 'purchased' for numbers bought directly from Telnyx.
              enum:
              - ported
              - purchased
              type: string
            status:
              description: Filter by phone number status.
              enum:
              - purchase-pending
              - purchase-failed
              - port-pending
              - active
              - deleted
              - port-failed
              - emergency-only
              - ported-out
              - port-out-pending
              example: active
              type: string
            tag:
              description: Filter by phone number tags.
              type: string
            voice.connection_name:
              additionalProperties: false
              description: Filter by voice connection name pattern matching.
              properties:
                contains:
                  description: Filter contains connection name. Requires at least three characters.
                  example: test
                  type: string
                ends_with:
                  description: Filter ends with connection name. Requires at least three characters.
                  example: test
                  type: string
                eq:
                  description: Filter by connection name.
                  example: test
                  type: string
                starts_with:
                  description: Filter starts with connection name. Requires at least three characters.
                  example: test
                  type: string
              type: object
            voice.usage_payment_method:
              description: Filter by usage_payment_method.
              enum:
              - pay-per-minute
              - channel
              example: channel
              type: string
            without_tags:
              description: When set to 'true', filters for phone numbers that do not have any tags applied. All other values are ignored.
              enum:
              - 'true'
              - 'false'
              type: string
          type: object
        style: deepObject
      - description: Although it is an infrequent occurrence, due to the highly distributed nature of the Telnyx platform, it is possible that there will be an issue when loading in Messaging Profile information. As such, when this parameter is set to `true` and an error in fetching this information occurs, messaging profile related fields will be omitted in the response and an error message will be included instead of returning a 503 error.
        in: query
        name: handle_messaging_profile_error
        schema:
          default: 'false'
          enum:
          - 'true'
          - 'false'
          example: 'false'
          type: string
      responses:
        '200':
          $ref: '#/components/responses/ListPhoneNumbersResponse'
        '400':
          $ref: '#/components/responses/numbers_BadRequestResponse'
        '401':
          $ref: '#/components/responses/numbers_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/numbers_NotFoundResponse'
        '422':
          $ref: '#/components/responses/numbers_UnprocessableEntity'
        '500':
          $ref: '#/components/responses/numbers_GenericErrorResponse'
      summary: List phone numbers
      tags:
      - Phone Number Configurations
      x-endpoint-cost: medium
      x-group-parameters: 'true'
      x-latency-category: responsive
  /phone_numbers/actions/verify_ownership:
    post:
      description: Verifies ownership of the provided phone numbers and returns a mapping of numbers to their IDs, plus a list of numbers not found in the account.
      operationId: VerifyPhoneNumberOwnership
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PhoneNumberVerifyOwnershipRequest'
        required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  data:
                    $ref: '#/components/schemas/PhoneNumberVerifyOwnershipResponse'
                title: Phone Number Verify Ownership Response
                type: object
          description: Phone number ownership verification completed.
        '400':
          $ref: '#/components/responses/numbers_BadRequestResponse'
        '401':
          $ref: '#/components/responses/numbers_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/numbers_NotFoundResponse'
        '422':
          $ref: '#/components/responses/numbers_UnprocessableEntity'
        '500':
          $ref: '#/components/responses/numbers_GenericErrorResponse'
      summary: Verify ownership of phone numbers
      tags:
      - Phone Number Configurations
      x-endpoint-cost: light
      x-latency-category: responsive
  /phone_numbers/slim:
    get:
      description: List phone numbers, This endpoint is a lighter version of the /phone_numbers endpoint having higher performance and rate limit.
      operationId: SlimListPhoneNumbers
      parameters:
      - $ref: '#/components/parameters/numbers_PageConsolidated'
      - description: Include the connection associated with the phone number.
        in: query
        name: include_connection
        required: false
        schema:
          default: false
          type: boolean
      - description: Include the tags associated with the phone number.
        in: query
        name: include_tags
        required: false
        schema:
          default: false
          type: boolean
      - description: Specifies the sort order for results. If not given, results are sorted by created_at in descending order.
        in: query
        name: sort
        required: false
        schema:
          enum:
          - purchased_at
          - phone_number
          - connection_name
          - usage_payment_method
          example: connection_name
          type: string
      - description: 'Consolidated filter parameter (deepObject style). Originally: filter[tag], filter[phone_number], filter[status], filter[country_iso_alpha2], filter[connection_id], filter[voice.connection_name], filter[voice.usage_payment_method], filter[billing_group_id], filter[emergency_address_id], filter[customer_reference], filter[number_type], filter[source]'
        explode: true
        in: query
        name: filter
        schema:
          properties:
            billing_group_id:
              description: Filter by the billing_group_id associated with phone numbers. To filter to only phone numbers that have no billing group associated them, set the value of this filter to the string 'null'.
              example: 62e4bf2e-c278-4282-b524-488d9c9c43b2
              type: string
            connection_id:
              description: Filter by connection_id.
              example: '1521916448077776306'
              type: string
            country_iso_alpha2:
              description: Filter by phone number country ISO alpha-2 code. Can be a single value or an array of values.
              oneOf:
              - example: US
                type: string
              - example:
                - US
                - CA
                items:
                  type: string
                type: array
            customer_reference:
              description: Filter numbers via the customer_reference set.
              type: string
            emergency_address_id:
              description: Filter by the emergency_address_id associated with phone numbers. To filter only phone numbers that have no emergency address associated with them, set the value of this filter to the string 'null'.
              example: '9102160989215728032'
              type: string
            number_type:
              additionalProperties: false
              description: Filter phone numbers by phone number type.
              properties:
                eq:
                  description: Filter phone numbers by phone number type.
                  enum:
                  - local
                  - national
                  - toll_free
                  - mobile
                  - shared_cost
                  type: string
              type: object
            phone_number:
              description: "Filter by phone number. Requires at least three digits.\n             Non-numerical characters will result in no values being returned."
              type: string
            source:
              description: Filter phone numbers by their source. Use 'ported' for numbers ported from other carriers, or 'purchased' for numbers bought directly from Telnyx.
              enum:
              - ported
              - purchased
              type: string
            status:
              description: Filter by phone number status.
              enum:
              - purchase-pending
              - purchase-failed
              - port_pending
              - active
              - deleted
              - port-failed
              - emergency-only
              - ported-out
              - port-out-pending
              example: active
              type: string
            tag:
              description: Filter by phone number tags. (This requires the include_tags param)
              type: string
            voice.connection_name:
              additionalProperties: false
              description: Filter by voice connection name pattern matching (requires include_connection param).
              properties:
                contains:
                  description: Filter contains connection name. Requires at least three characters and the include_connection param.
                  example: test
                  type: string
                ends_with:
                  description: Filter ends with connection name. Requires at least three characters and the include_connection param.
                  example: test
                  type: string
                eq:
                  description: Filter by connection name.
                  example: test
                  type: string
                starts_with:
                  description: Filter starts with connection name. Requires at least three characters and the include_connection param.
                  example: test
                  type: string
              type: object
            voice.usage_payment_method:
              description: Filter by usage_payment_method.
              enum:
              - pay-per-minute
              - channel
              example: channel
              type: string
          type: object
        style: deepObject
      responses:
        '200':
          $ref: '#/components/responses/SlimListPhoneNumbersResponse'
        '400':
          $ref: '#/components/responses/numbers_BadRequestResponse'
        '401':
          $ref: '#/components/responses/numbers_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/numbers_NotFoundResponse'
        '422':
          $ref: '#/components/responses/numbers_UnprocessableEntity'
        '500':
          $ref: '#/components/responses/numbers_GenericErrorResponse'
      summary: Slim List phone numbers
      tags:
      - Phone Number Configurations
      x-endpoint-cost: medium
      x-group-parameters: 'true'
      x-latency-category: responsive
  /phone_numbers/voice:
    get:
      operationId: ListPhoneNumbersWithVoiceSettings
      parameters:
      - $ref: '#/components/parameters/numbers_PageConsolidated'
      - description: Specifies the sort order for results. If not given, results are sorted by created_at in descending order.
        in: query
        name: sort
        required: false
        schema:
          enum:
          - purchased_at
          - phone_number
          - connection_name
          - usage_payment_method
          example: connection_name
          type: string
      - description: 'Consolidated filter parameter (deepObject style). Originally: filter[phone_number], filter[connection_name], filter[customer_reference], filter[voice.usage_payment_method]'
        explode: true
        in: query
        name: filter
        schema:
          properties:
            connection_name:
              additionalProperties: false
              description: Filter by connection name pattern matching.
              properties:
                contains:
                  description: Filter contains connection name. Requires at least three characters.
                  example: test
                  type: string
              type: object
            customer_reference:
              description: Filter numbers via the customer_reference set.
              type: string
            phone_number:
              description: "Filter by phone number. Requires at least three digits.\n             Non-numerical characters will result in no values being returned."
              type: string
            voice.usage_payment_method:
              description: Filter by usage_payment_method.
              enum:
              - pay-per-minute
              - channel
              example: channel
              type: string
          type: object
        style: deepObject
      responses:
        '200':
          $ref: '#/components/responses/ListPhoneNumbersWithVoiceSettingsResponse'
        '400':
          $ref: '#/components/responses/numbers_BadRequestResponse'
        '401':
          $ref: '#/components/responses/numbers_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/numbers_NotFoundResponse'
        '422':
          $ref: '#/components/responses/numbers_UnprocessableEntity'
        '500':
          $ref: '#/components/responses/numbers_GenericErrorResponse'
      summary: List phone numbers with voice settings
      tags:
      - Phone Number Configurations
      x-endpoint-cost: medium
      x-group-parameters: 'true'
      x-latency-category: responsive
  /phone_numbers/{id}:
    delete:
      operationId: DeletePhoneNumber
      parameters:
      - $ref: '#/components/parameters/IntId'
      responses:
        '200':
          $ref: '#/components/responses/DeletePhoneNumberResponse'
        '400':
          $ref: '#/components/responses/numbers_BadRequestResponse'
        '401':
          $ref: '#/components/responses/numbers_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/numbers_NotFoundResponse'
        '422':
          $ref: '#/components/responses/numbers_UnprocessableEntity'
        '500':
          $ref: '#/components/responses/numbers_GenericErrorResponse'
      summary: Delete a phone number
      tags:
      - Phone Number Configurations
      x-endpoint-cost: medium
      x-latency-category: responsive
    get:
      operationId: RetrievePhoneNumber
      parameters:
      - $ref: '#/components/parameters/IntId'
      responses:
        '200':
          $ref: '#/components/responses/PhoneNumberResponse'
        '400':
          $ref: '#/components/responses/numbers_BadRequestResponse'
        '401':
          $ref: '#/components/responses/numbers_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/numbers_NotFoundResponse'
        '422':
          $ref: '#/components/responses/numbers_UnprocessableEntity'
        '500':
          $ref: '#/components/responses/numbers_GenericErrorResponse'
      summary: Retrieve a phone number
      tags:
      - Phone Number Configurations
      x-endpoint-cost: medium
      x-latency-category: responsive
    patch:
      operationId: UpdatePhoneNumber
      parameters:
      - $ref: '#/components/parameters/IntId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdatePhoneNumberRequest'
        description: Updated settings for the phone number.
        required: true
      responses:
        '200':
          $ref: '#/components/responses/PhoneNumberResponse'
        '400':
          $ref: '#/components/responses/numbers_BadRequestResponse'
        '401':
          $ref: '#/components/responses/numbers_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/numbers_NotFoundResponse'
        '422':
          $ref: '#/components/responses/numbers_UnprocessableEntity'
        '500':
          $ref: '#/components/responses/numbers_GenericErrorResponse'
      summary: Update a phone number
      tags:
      - Phone Number Configurations
      x-endpoint-cost: medium
      x-latency-category: responsive
  /phone_numbers/{id}/actions/bundle_status_change:
    patch:
      operationId: PhoneNumberBundleStatusChange
      parameters:
      - $ref: '#/components/parameters/IntId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PhoneNumberBundleStatusChangeRequest'
        required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  data:
                    $ref: '#/components/schemas/PhoneNumberWithVoiceSettings'
                title: Phone Number Bundle Status Change
                type: object
          description: Phone number bundle status change success
        '400':
          $ref: '#/components/responses/numbers_BadRequestResponse'
        '401':
          $ref: '#/components/responses/numbers_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/numbers_NotFoundResponse'
        '422':
          $ref: '#/components/responses/numbers_UnprocessableEntity'
        '500':
          $ref: '#/components/responses/numbers_GenericErrorResponse'
      summary: Change the bundle status for a phone number (set to being in a bundle or remove from a bundle)
      tags:
      - Phone Number Configurations
      x-endpoint-cost: medium
      x-latency-category: responsive
  /phone_numbers/{id}/actions/enable_emergency:
    post:
      operationId: EnablePhoneNumberEmergency
      parameters:
      - $ref: '#/components/parameters/IntId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PhoneNumberEnableEmergencyRequest'
        required: true
      responses:
        '200':
          content:
            application/json:
              schema:
                properties:
                  data:
                    $ref: '#/components/schemas/PhoneNumberWithVoiceSettings'
                title: Phone Number Enable Emergency
                type: object
          description: Phone number emergency enabled.
        '202':
          content:
            application/json:
              schema:
                properties:
                  data:
                    $ref: '#/components/schemas/PhoneNumberWithVoiceSettings'
                title: Phone Number Enable Emergency
                type: object
          description: Phone number emergency requested.
        '400':
          $ref: '#/components/responses/numbers_BadRequestResponse'
        '401':
          $ref: '#/components/responses/numbers_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/numbers_NotFoundResponse'
        '422':
          $ref: '#/components/responses/numbers_UnprocessableEntity'
        '500':
          $ref: '#/components/responses/numbers_GenericErrorResponse'
      summary: Enable emergency for a phone number
      tags:
      - Phone Number Configurations
      x-endpoint-cost: medium
      x-latency-category: responsive
  /phone_numbers/{id}/voice:
    get:
      operationId: GetPhoneNumberVoiceSettings
      parameters:
      - $ref: '#/components/parameters/IntId'
      responses:
        '200':
          $ref: '#/components/responses/PhoneNumberWithVoiceSettingsResponse'
        '400':
          $ref: '#/components/responses/numbers_BadRequestResponse'
        '401':
          $ref: '#/components/responses/numbers_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/numbers_NotFoundResponse'
        '422':
          $ref: '#/components/responses/numbers_UnprocessableEntity'
        '500':
          $ref: '#/components/responses/numbers_GenericErrorResponse'
      summary: Retrieve a phone number with voice settings
      tags:
      - Phone Number Configurations
      x-endpoint-cost: medium
      x-latency-category: responsive
    patch:
      operationId: UpdatePhoneNumberVoiceSettings
      parameters:
      - $ref: '#/components/parameters/IntId'
      requestBody:
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/UpdatePhoneNumberVoiceSettingsRequest'
        description: Updated voice settings for the phone number.
        required: true
      responses:
        '200':
          $ref: '#/components/responses/PhoneNumberWithVoiceSettingsResponse'
        '400':
          $ref: '#/components/responses/numbers_BadRequestResponse'
        '401':
          $ref: '#/components/responses/numbers_UnauthorizedResponse'
        '404':
          $ref: '#/components/responses/numbers_NotFoundResponse'
        '422':
          $ref: '#/components/responses/numbers_UnprocessableEntity'
        '500':
          $ref: '#/components/responses/numbers_GenericErrorResponse'
      summary: Update a phone number with voice settings
      tags:
      - Phone Number Configurations
      x-endpoint-cost: medium
      x-latency-category: responsive
components:
  responses:
    PhoneNumberWithVoiceSettingsResponse:
      content:
        application/json:
          schema:
            properties:
              data:
                $ref: '#/components/schemas/PhoneNumberWithVoiceSettings'
            title: Retrieve Phone Number Voice Response
            type: object
      description: Successful response with details about a phone number including voice settings.
    numbers_BadRequestResponse:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/numbers_Errors'
      description: Bad request, the request was unacceptable, often due to missing a required parameter.
    PhoneNumberResponse:
      content:
        application/json:
          schema:
            properties:
              data:
                $ref: '#/components/schemas/PhoneNumberDetailed'
            title: Phone Number Response
            type: object
      description: Successful response with details about a phone number.
    DeletePhoneNumberResponse:
      content:
        application/json:
          schema:
            properties:
              data:
                $ref: '#/components/schemas/PhoneNumberDeletedDetailed'
            title: Phone Number Response
            type: object
      description: Successful response with details about a phone number.
    numbers_NotFoundResponse:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/numbers_Errors'
      description: The requested resource doesn't exist.
    numbers_UnauthorizedResponse:
      content:
        application/json:
          examples:
            Authentication Failed:
              value:
                errors:
                - code: '10009'
                  detail: Could not understand the provided credentials.
                  meta:
                    url: https://developers.telnyx.com/docs/overview/errors/10009
                  title: Authentication failed
          schema:
            $ref: '#/components/schemas/numbers_Errors'
      description: Unauthorized
    SlimListPhoneNumbersResponse:
      content:
        application/json:
          schema:
            properties:
              data:
                items:
                  $ref: '#/components/schemas/SlimPhoneNumberDetailed'
                type: array
              meta:
                $ref: '#/components/schemas/PaginationMeta'
            title: List Phone Numbers Response
            type: object
      description: Successful response with a list of phone numbers.
    numbers_GenericErrorResponse:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/numbers_Errors'
      description: Unexpected error
    numbers_UnprocessableEntity:
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/numbers_Errors'
      description: Unprocessable entity. Check the 'detail' field in response for details.
    ListPhoneNumbersWithVoiceSettingsResponse:
      content:
        application/json:
          schema:
            properties:
              data:
                items:
                  $ref: '#/components/schemas/PhoneNumberWithVoiceSettings'
                type: array
              meta:
                $ref: '#/components/schemas/PaginationMeta'
            title: List Phone Numbers With Voice Settings Response
            type: object
      description: Successful response with a list of phone numbers with voice settings.
    ListPhoneNumbersResponse:
      content:
        application/json:
          schema:
            properties:
              data:
                items:
                  $ref: '#/components/schemas/PhoneNumberDetailed'
                type: array
              errors:
                items:
                  $ref: '#/components/schemas/numbers_Error'
                type: array
              meta:
                $ref: '#/components/schemas/PaginationMeta'
            required:
            - data
            - meta
            title: List Phone Numbers Response
            type: object
      description: Successful response with a list of phone numbers.
  schemas:
    PhoneNumberWithVoiceSettings:
      example:
        call_forwarding:
          call_forwarding_enabled: true
          forwarding_type: always
          forwards_to: '+13035559123'
        call_recording:
          inbound_call_recording_channels: single
          inbound_call_recording_enabled: true
          inbound_call_recording_format: wav
        cnam_listing:
          cnam_listing_details: example
          cnam_listing_enabled: true
        connection_id: 1d0e6cb8-8668-462e-94c6-49ae0f0ed48b
        customer_reference: customer-reference
        emergency:
          emergency_address_id: '1315261609962112019'
          emergency_enabled: true
          emergency_status: active
        id: '1293384261075731499'
        inbound_call_screening: disabled
        media_features:
          accept_any_rtp_packets_enabled: true
          rtp_auto_adjust_enabled: true
          t38_fax_gateway_enabled: true
        record_type: voice_settings
        tech_prefix_enabled: false
        translated_number: '+13035559999'
        usage_payment_method: pay-per-minute
      properties:
        call_forwarding:
          $ref: '#/components/schemas/CallForwarding'
        call_recording:
          $ref: '#/components/schemas/CallRecording'
        cnam_listing:
          $ref: '#/components/schemas/CnamListing'
        connection_id:
          description: Identifies the connection associated with this phone number.
          example: 1d0e6cb8-8668-462e-94c6-49ae0f0ed48b
          type: string
        customer_reference:
          description: A customer reference string for customer look ups.
          example: MY REF 001
          type: string
        emergency:
          $ref: '#/components/schemas/EmergencySettings'
        id:
          description: Identifies the type of resource.
          example: '1293384261075731499'
          readOnly: true
          type: string
        inbound_call_screening:
          default: disabled
          description: The inbound_call_screening setting is a phone number configuration option variable that allows users to configure their settings to block or flag fraudulent calls. It can be set to disabled, reject_calls, or flag_calls. This feature has an additional per-number monthly cost associated with it.
          enum:
          - disabled
          - reject_calls
          - flag_calls
          type: string
        media_features:
          $ref: '#/components/schemas/MediaFeatures'
        phone_number:
          description: The phone number in +E164 format.
          example: '+13035551234'
          readOnly: true
          type: string
        record_type:
          description: Identifies the type of the resource.
          example: voice_settings
          readOnly: true
          type: string
        tech_prefix_enabled:
          default: false
          description: Controls whether a tech prefix is enabled for this phone number.
  

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# Full source: https://raw.githubusercontent.com/api-evangelist/telnyx/refs/heads/main/openapi/telnyx-phone-number-configurations-api-openapi.yml