> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mrassistant.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Get Provider Sip Address

> Get the default SIP address for a specific provider.

Args:
    provider: Provider name (e.g., 'twilio', 'vonage-eu', 'telnyx')

Returns:
    Default SIP address for the provider, or null if not recognized.
    
Note: For providers not in our list, you must provide a custom `outbound_address`
when registering a phone number with enable_outbound=true.



## OpenAPI

````yaml https://api.mrassistant.ai/openapi.json get /agents/provider-sip-address/{provider}
openapi: 3.1.0
info:
  title: Backend - Multilingual Voice Agent System
  description: FastAPI backend for multilingual voice agents with tool use
  version: 1.0.0
servers: []
security: []
paths:
  /agents/provider-sip-address/{provider}:
    get:
      tags:
        - agent-phone-numbers
      summary: Get Provider Sip Address
      description: >-
        Get the default SIP address for a specific provider.


        Args:
            provider: Provider name (e.g., 'twilio', 'vonage-eu', 'telnyx')

        Returns:
            Default SIP address for the provider, or null if not recognized.
            
        Note: For providers not in our list, you must provide a custom
        `outbound_address`

        when registering a phone number with enable_outbound=true.
      operationId: get_provider_sip_address_agents_provider_sip_address__provider__get
      parameters:
        - name: provider
          in: path
          required: true
          schema:
            type: string
            title: Provider
      responses:
        '200':
          description: Successful Response
          content:
            application/json:
              schema: {}
        '422':
          description: Validation Error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/HTTPValidationError'
      security:
        - HTTPBearer: []
components:
  schemas:
    HTTPValidationError:
      properties:
        detail:
          items:
            $ref: '#/components/schemas/ValidationError'
          type: array
          title: Detail
      type: object
      title: HTTPValidationError
    ValidationError:
      properties:
        loc:
          items:
            anyOf:
              - type: string
              - type: integer
          type: array
          title: Location
        msg:
          type: string
          title: Message
        type:
          type: string
          title: Error Type
        input:
          title: Input
        ctx:
          type: object
          title: Context
      type: object
      required:
        - loc
        - msg
        - type
      title: ValidationError
  securitySchemes:
    HTTPBearer:
      type: http
      scheme: bearer

````