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

# Get SIP Trunk

> Retrieve a specific SIP trunk by ID



## OpenAPI

````yaml GET /sip-trunks/{id}
openapi: 3.1.0
info:
  title: RevRing Voice AI API
  description: >-
    RevRing Voice AI platform API for managing AI voice agents, phone calls, SIP
    trunks, and analytics. Build intelligent voice applications that can handle
    inbound and outbound phone calls with AI-powered conversational agents.
  version: 1.0.0
  contact:
    name: RevRing Support
    url: https://revring.ai
servers:
  - url: https://api.revring.ai/v1
    description: Production API
security:
  - apiKeyAuth: []
tags:
  - name: Messaging Connections
    description: Connect messaging providers so agents can send text messages
  - name: Messages
    description: Send text messages and read your message log
  - name: Conversations
    description: List and clear managed conversation threads
  - name: SIP Trunks
    description: Manage SIP trunks for connecting agents to the phone network
  - name: Agents
    description: Manage AI voice agents and their configuration
  - name: Agent Folders
    description: Organize agents into folders for dashboard navigation
  - name: Calls
    description: Manage and query phone calls
  - name: Analytics
    description: Get analytics and metrics about your calls
  - name: Knowledge Bases
    description: >-
      Manage knowledge bases and sources for agent retrieval-augmented
      generation
  - name: Test Suites
    description: Manage test suites, test cases, and test runs for agent evaluation
  - name: Voices
    description: Browse the voices available to your organization for agent speech
paths:
  /sip-trunks/{id}:
    parameters:
      - name: id
        in: path
        required: true
        description: SIP trunk ID
        schema:
          type: string
          format: uuid
    get:
      tags:
        - SIP Trunks
      summary: Get SIP Trunk
      description: Retrieve a specific SIP trunk by ID
      operationId: getSipTrunk
      responses:
        '200':
          description: SIP trunk details
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/SipTrunk'
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '402':
          $ref: '#/components/responses/BillingInactiveError'
        '404':
          $ref: '#/components/responses/NotFoundError'
components:
  schemas:
    SipTrunk:
      type: object
      description: SIP Trunk for routing phone calls
      properties:
        id:
          type: string
          format: uuid
          description: Unique identifier
        gatewayName:
          type: string
          description: Internal gateway identifier (auto-generated, read-only)
        friendlyName:
          type: string
          nullable: true
          description: Human-readable name for this trunk
        username:
          type: string
          nullable: true
          description: SIP authentication username
        proxy:
          type: string
          nullable: true
          description: SIP proxy server address
        cloud:
          type: object
          nullable: true
          description: Phone numbers associated with this trunk
          properties:
            numbers:
              type: array
              items:
                type: string
                pattern: ^\+[1-9]\d{1,14}$
              description: Phone numbers in E.164 format (e.g., +12125551234)
        createdAt:
          type: string
          format: date-time
          description: When this trunk was created
        updatedAt:
          type: string
          format: date-time
          description: When this trunk was last updated
      required:
        - id
        - gatewayName
        - createdAt
        - updatedAt
  responses:
    UnauthorizedError:
      description: Authentication required or API key invalid
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
                example: unauthorized
    BillingInactiveError:
      description: Subscription inactive or billing issue
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
                example: billing_inactive
    NotFoundError:
      description: Resource not found
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
                example: not_found
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: >-
        API key for authentication. Generate API keys from the RevRing
        dashboard.

````