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telcall-twilio

// Make emergency phone calls via Twilio. Use when you need to call someone and play a voice message programmatically (e.g., server down alerts, security notifications).

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stars:1,933
forks:367
updated:March 4, 2026
SKILL.mdreadonly
SKILL.md Frontmatter
nametelcall-twilio
descriptionMake emergency phone calls via Twilio. Use when you need to call someone and play a voice message programmatically (e.g., server down alerts, security notifications).
metadata[object Object]

TelCall Twilio - Emergency Phone Calls

Make phone calls that speak a message to the recipient using Twilio's Voice API.

Author

Features

  • Make phone calls via Twilio API
  • Text-to-speech message delivery (supports multiple languages)
  • Simple configuration
  • Easy integration with OpenClaw

Prerequisites

1. Twilio Account

  1. Visit https://www.twilio.com and sign up
  2. During setup, choose:
    • "With code" (for full API access)
    • "Voice" channel
  3. Bind a credit card (required for production use)

2. Purchase a Phone Number

  1. Go to Phone Numbers → Buy a Number
  2. Select United States (easiest, no address verification needed)
  3. Filter by Voice capability
  4. Purchase a local number (~$1/month)

3. Get Your Credentials

From the Twilio Console homepage, copy:

  • Account SID (starts with AC...)
  • Auth Token (click to reveal)

4. Verify Your Phone Number (Trial Accounts)

Trial accounts can only call verified numbers:

  1. Go to Phone Numbers → Verified Caller IDs
  2. Add your phone number
  3. Complete verification via SMS or voice call

Note: Upgrade your account ($20 minimum) to call any number without verification.

Setup

Run the setup script to configure your Twilio credentials:

bash ~/.openclaw/workspace/telcall-twilio/scripts/setup.sh

You will be prompted to enter:

  • Account SID
  • Auth Token
  • Twilio phone number (e.g., +15551234567)
  • Your phone number (e.g., +8613812345678)

Usage

Basic Call

bash ~/.openclaw/workspace/telcall-twilio/scripts/call.sh "Your message here"

With OpenClaw

Simply tell your assistant:

  • "Call me: Server is down!"
  • "Emergency call: Security breach detected"

The assistant will use this skill to make the call.

Cost

ItemPrice
US Phone Number~$1/month
Call to most countries~$0.02-0.15/min
Text-to-speechFree (TwiML)

Estimated monthly cost: $2-5 for occasional emergency calls.

Troubleshooting

"Number is unverified"

Your account is in trial mode. Either:

  1. Verify the destination number in Twilio Console
  2. Upgrade your account ($20) to call any number

Call doesn't go through

  1. Check your Twilio number has Voice capability
  2. Verify your Auth Token is correct
  3. Ensure you have account balance

Files

telcall-twilio/
├── SKILL.md           # This file
├── scripts/
│   ├── setup.sh       # Configure credentials
│   └── call.sh        # Make a phone call
└── config/
    └── twilio.json    # Credentials (created by setup.sh)

License

MIT License - Feel free to use and modify.