Skip to content
HelpdeskAgentdevTesoro CRM

Call Settings: Twilio for Calls, SMS, WhatsApp

One configuration page for telephony + SMS + WhatsApp Business via Twilio. One Twilio account + numbers + activation = all three channels work.

  • First setup of Twilio for your office
  • Adding a new Twilio number for WhatsApp Business
  • Activating call masking to protect private numbers
Tab Description
Twilio Settings Numbers + activation + masking
Mask Verification Verify phone numbers for call masking

Setting Description Required
Twilio Call Number For outgoing + incoming calls + SMS, international format (+34 952 555 100) Yes
Twilio WhatsApp Number Separate approved number for WhatsApp Business API For WhatsApp
Active On/off for entire Twilio integration (calls + WhatsApp + SMS) ,
Mask On = outgoing calls show Twilio number instead of personal mobile ,
  1. Settings → My Company → Call Settings → Twilio Settings.
  2. Click Configure Twilio Settings (or edit icon).
  3. Enter Twilio Call Number.
  4. Enter Twilio WhatsApp Number (separate number).
  5. Set Active to on.
  6. (Optional) Set Mask to on.
  7. Click Save.

From now on, every team member can call, send SMS and use WhatsApp from any record.


When Mask is on, outgoing calls show your Twilio company number to clients instead of your personal mobile. For some numbers, Twilio requires verification before they can be used as caller ID.

Mask Verification tab shows:

  • Verified numbers (green checkmark)
  • Numbers still to be verified
  • Button to start verification process (Twilio calls or sends SMS with code)

External communication platform. Paid third-party service. Tesoro communicates with Twilio for the actual connections, Twilio charges per minute/message.

Twilio charges:

  • Per-minute rates for calls (varies by country)
  • Per-message rates for SMS + WhatsApp
  • Premium rates for WhatsApp Business templates

Tesoro does not charge extra. Check your Twilio dashboard for current prices.

Active is off. Or numbers not entered correctly. Check Settings.

International format required, + + country code (+34 for Spain, +31 for Netherlands, etc.).

Besides the Twilio WhatsApp Number, your Twilio account must have an approved WhatsApp Business profile (via Twilio + Meta approval). Ask the Tesoro team if this has been configured for you.