Voice calling is now a capability on the existing TwilioSms rather than
a separate Voice model. A single Twilio phone number handles both SMS
and voice calls through one inbox.
Fixes
https://linear.app/chatwoot/issue/CW-6683/add-voice-calling-as-a-capability-on-twilio-sms-channel
and https://linear.app/chatwoot/issue/PLA-120/add-the-support-for-sms
**What changed**
- Replaced Channel::Voice with voice_enabled flag on Channel::TwilioSms
- Added voice_enabled, twiml_app_sid, api_key_secret columns to
channel_twilio_sms table
- Dropped channel_voice table (no production data)
- All voice logic lives in Enterprise layer via
prepend_mod_with('Channel::TwilioSms')
- Added Voice settings tab on Twilio SMS inbox settings to
enable/disable voice
- Validates Twilio number voice capability before provisioning
- Teardown service cleans up TwiML app and credentials when voice is
disabled
- Frontend voice detection uses isVoiceCallEnabled() /
getVoiceCallProvider() helpers — extensible to future providers
- Gated by channel_voice feature flag
**How to test**
1. Enable feature flag:
Account.find(<id>).enable_features('channel_voice')
2. Create voice inbox: Inboxes → Voice tile → enter Twilio credentials →
verify incoming/outgoing calls and SMS work
3. Enable voice on existing SMS inbox: Inboxes → select Twilio SMS inbox
→ Voice tab → toggle on → provide API key credentials → verify calls
work
4. Disable voice: Voice tab → toggle off → verify TwiML app is deleted,
credentials cleared, SMS still works
5. Re-enable voice: Toggle on again → must provide api_key_secret again
→ new TwiML app provisioned
---------
Co-authored-by: Muhsin <12408980+muhsin-k@users.noreply.github.com>
## Description
This introduces a reusable Call button used in the Contacts details
header (between Block contact and Send message) and
in the conversation contact panel. The button shows only when the
account has at least one Voice inbox and the contact
has a phone number. If multiple Voice inboxes are present, clicking
opens a picker modal; otherwise, a “Calling is under
development” toast is shown
> Actual wiring to functionality will available in follow up PRs
references: #11602 , #11481
## Screens
<img width="250" alt="Screenshot 2025-08-18 at 8 33 02 PM"
src="https://github.com/user-attachments/assets/d7a09a9d-8eff-4461-a75f-27854540c2a0"
/>
<img width="250" alt="Screenshot 2025-08-18 at 8 32 31 PM"
src="https://github.com/user-attachments/assets/682ae66e-dd5f-4750-9c30-0a210e120250"
/>
<img width="250" alt="Screenshot 2025-08-18 at 8 32 40 PM"
src="https://github.com/user-attachments/assets/7de0d753-eefc-4b7f-942b-ecca1964fcd7"
/>
## Test Cases
- Enable voice feature and create inboxes and test the cases for both
contact details view and contact card view in conversation
- Details: 0 Voice inboxes → no Call button.
- Details: 1+ Voice inboxes, no phone number for contact → no Call
button.
- Details: 1 Voice inbox + phone number for contact → button visible;
click → toast.
- Details: >1 Voice inboxes + phone number for contact → click → modal →
choose → toast.
---------
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Sivin Varghese <64252451+iamsivin@users.noreply.github.com>
