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How to connect Teltel to Claude

Connect Claude Web, Desktop and Cowork to Teltel MCP. Retrieve all missed calls from today, list all sms messages from specific number, and more using natural language, with authentication handled for you.

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Teltel is a telecom operator and software platform for automated voice and SMS communication. It streamlines contact center management and programmable communication for businesses.

26 Tools

Introduction

Claude is Anthropic's AI assistant, available on the web, in the desktop app, and on mobile. Cowork is its agent for knowledge work, and it runs on all of those surfaces too. Connected to your apps, Claude can work with your files and services to accomplish complex tasks on your behalf.

This guide walks you through the easiest and most secure way to connect your Teltel account to Claude via Composio Connect, enabling it to retrieve all missed calls from today, list all SMS messages from specific number, show Teltel users added this week, and more such actions on your behalf without compromising your account security.

Setup is the same on Claude Web, Desktop, and Cowork, and you only need to do it once. The connector is tied to your account, so it's available in all three.

Also integrate Teltel with

Claude CodeOpenAI Agents SDKClaude Agent SDKCodexOpenClawHermesAtomic AgentGoogle ADKLangChainVercel AI SDKMastra AILlamaIndexCrewAIPydantic AIAutoGen

Connecting Teltel to Claude Web, Desktop, and Cowork

Two ways to add the Composio connector. Pick whichever you prefer.

1. Add with one click

Click the button. Claude opens with the Composio connector filled in. Click Add, then go to step 2.

Add to Claude

Add manually

In Claude Desktop, click Customize in the left sidebar, then select Connectors and click the + icon at the top.

Claude Desktop connectors screen with Add custom connector selected

Click Add custom connector and paste in the Composio MCP server URL:

bash
https://connect.composio.dev/mcp
Add custom connector dialog with Composio MCP server URL

2. Authorize in your browser

Click Connect. You'll be redirected to a browser window where you can authorize Composio to continue.

Composio authorization screen for Claude Web, Desktop, and Cowork

3. Connect your Teltel account

Back in Claude, ask it to connect to Teltel or give it any Teltel-related task.

For example, ask Claude to:

  • "Retrieve all missed calls from today"
  • "List all SMS messages from specific number"
  • "Show Teltel users added this week"

It will prompt you to authenticate and authorize access.

That's it. Composio's tools are now available in Claude, and your Teltel account is ready to use.

What is the Teltel Claude Connector, and what's possible with it?

The Teltel MCP server is an implementation of the Model Context Protocol that connects your AI agent and assistants like Claude, Cursor, etc directly to your Teltel account. It provides structured and secure access to your telecom data, so your agent can retrieve call logs, manage SMS messages, access user records, and handle inbound SMS events automatically.

  • Comprehensive call log retrieval: Quickly fetch and filter detailed lists of your recent and historical calls, including duration, status, and time for easy reporting or analysis.
  • SMS message management: Effortlessly access sent and received SMS logs, filter messages by sender, recipient, status, or date, and keep your communications organized.
  • User directory synchronization: Retrieve up-to-date lists of all users in your Teltel account, making it simple to manage contact center agents or team members.
  • Automated inbound SMS handling: Set up your agent to receive and process incoming SMS via webhook, so you never miss an important customer message or support request.

Troubleshooting

1. Why does Claude not use the Composio connector for Teltel?

The connector can show as connected, but Claude must use it in each Teltel conversation.

  • Click + at the lower left of the chat, or type /.
  • Hover Connectors.
  • Turn on Composio.
  • Ask Claude to connect to Teltel again.

2. Why does Claude show an MCP server error before Teltel connects?

Claude can show Couldn't reach the MCP server or Authorization with the MCP server failed when you add the connector for Teltel.

  • Check that the connector URL is https://connect.composio.dev/mcp.
  • Connectors run from Anthropic's cloud, so your device network is usually not the problem.
  • Add the connector again from Customize > Connectors, then ask Claude to connect Teltel.
  • If it fails again, send the error and the ofid_ reference id to support@composio.dev.

3. Why does the Teltel authorization link not work?

The Composio connector is one server. Your Teltel account connects separately when Claude asks for it.

  • If the browser does not open, or the link expires, ask Claude to retry the Teltel connection.
  • Composio creates a fresh Teltel authorization link.
  • Open that link in your browser and finish the Teltel sign-in.

4. Why do Teltel actions fail after they worked before?

The Teltel connection can expire or lose permission.

  • Ask Claude to inspect the Teltel connection.
  • If the connection is unhealthy, disconnect it when Claude prompts you.
  • Reconnect the Teltel account and retry the action.
  • If Claude shows a permission prompt, approve it before Claude changes data in Teltel.
  • If the action still fails with a permission error, check that the connected account has that permission in Teltel itself.

5. How do I switch to a different Teltel account?

Claude can manage the Teltel connection for you.

  • Ask Claude to disconnect or delete the current Teltel account.
  • Ask Claude to connect Teltel again.
  • Open the new Composio authorization link for Teltel.
  • Sign in with the other Teltel account in the browser.
  • After the account connects, ask Claude to retry the Teltel task.

6. Why is my Teltel connection missing in Claude Desktop or on a Team plan?

The connector belongs to your Claude account, so your Teltel connection works in Claude Web, Desktop, and Cowork.

  • In Claude Desktop, open Customize > Connectors.
  • Next to Composio, click ⋮ and click Clear cache.
  • If Teltel tools still do not appear, click ⋮, disconnect, remove the connector, and add it again.
  • On Team or Enterprise, an Owner or Primary Owner must enable the connector before you can connect Teltel.
TOOLS

Supported Tools

Every Teltel action and event your agent gets out of the box.

Create Autodialer Custom Status

Tool to create a custom status for autodialer contacts.

Create Call

Tool to create a call between two participants.

Create User Status

Tool to create a user status in TelTel.

Delete Autodialer Custom Status

Tool to delete an autodialer custom status by ID.

Delete User Status

Tool to delete a user status by ID.

Get Account Balance

Tool to retrieve the account balance for your TelTel account.

Get Call List

Tool to retrieve a list of calls with details (duration, time, status).

Get Country

Tool to retrieve country resource information by ID from TelTel.

Get SMS List

Tool to retrieve a list of sent (outbox) or received (inbox) SMS messages from TelTel.

Get User Caller ID Groups

Tool to retrieve caller ID groups for a specific user.

Get Users List

Tool to retrieve a list of users from your TelTel account.

List Autodialer Actions

Tool to retrieve the action history for an autodialer campaign.

List Autodialer Contacts

Tool to retrieve the contact list for an autodialer campaign.

List Autodialer Custom Statuses

Tool to retrieve list of autodialer custom statuses.

List Autodialer Campaigns

Tool to retrieve a list of autodialer campaigns from TelTel.

List Available Countries

Tool to get the list of countries where DID numbers are available for purchase.

List Country Price Groups

Tool to retrieve phone number price groups available in a specific country.

List Devices

Tool to retrieve a list of devices from your TelTel account.

List My Numbers

Tool to retrieve a list of phone numbers (DIDs) owned by the account.

List DID Orders

Tool to retrieve a list of DID (phone number) orders from TelTel.

List User Statuses

Tool to retrieve a list of all user statuses in TelTel.

Lookup Phone Number

Tool to perform HLR (Home Location Register) lookup for phone numbers via TelTel API.

Receive Inbound SMS

Tool to process inbound SMS webhook data from TelTel.

Set User Status

Tool to set a user's status in TelTel.

Update Autodialer Custom Status

Tool to update an autodialer custom status value by ID.

Update User Status

Tool to update an existing user status in TelTel.

FRAMEWORKS

How to build Teltel MCP Agent with another framework

Claude Code logo

Claude Code

Use Teltel MCP with Claude Code

OpenAI Agents SDK logo

OpenAI Agents SDK

Use Teltel MCP with OpenAI Agents SDK

Claude Agent SDK logo

Claude Agent SDK

Use Teltel MCP with Claude Agent SDK

Codex logo

Codex

Use Teltel MCP with Codex

OpenClaw logo

OpenClaw

Use Teltel MCP with OpenClaw

Hermes logo

Hermes

Use Teltel MCP with Hermes

Atomic Agent logo

Atomic Agent

Use Teltel MCP with Atomic Agent

Google ADK logo

Google ADK

Use Teltel MCP with Google ADK

LangChain logo

LangChain

Use Teltel MCP with LangChain

Vercel AI SDK logo

Vercel AI SDK

Use Teltel MCP with Vercel AI SDK

Mastra AI logo

Mastra AI

Use Teltel MCP with Mastra AI

LlamaIndex logo

LlamaIndex

Use Teltel MCP with LlamaIndex

CrewAI logo

CrewAI

Use Teltel MCP with CrewAI

Pydantic AI logo

Pydantic AI

Use Teltel MCP with Pydantic AI

AutoGen logo

AutoGen

Use Teltel MCP with AutoGen

FAQ

Frequently asked questions

With a standalone Teltel MCP server, the agents and LLMs can only access a fixed set of Teltel tools tied to that server. However, with the Composio Tool Router, agents can dynamically load tools from Teltel and many other apps based on the task at hand, all through a single MCP endpoint.

Yes, you can. Claude Cowork fully supports MCP integration. You get structured tool calling, message history handling, and model orchestration while Tool Router takes care of discovering and serving the right Teltel tools.

Yes, absolutely. You can configure which Teltel scopes and actions are allowed when connecting your account to Composio. You can also bring your own OAuth credentials or API configuration so you keep full control over what the agent can do.

All sensitive data such as tokens, keys, and configuration is fully encrypted at rest and in transit. Composio is SOC 2 Type 2 compliant and follows strict security practices so your Teltel data and credentials are handled as safely as possible.

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