Kaleyra has integrated with following plugins:
Voice Plugins:
1. Zendesk
2. Freshdesk
3. Happyfox
4. vTiger
5. 2FA
6. COD
7. Text-to-Speech
8. Chrome Plugin- Callee
9. Click2Call
To integrate with our plugins, read https://www.kaleyra.com/solutions/unique-services/integration/