Zoho plugin allows you to send sms without leaving the zoho panel. You can send sms to leads as well as contacts.
Follow the guide to learn how to use:
Please follow this guide for getting your access token: Generating Access Token
After install you’ll be asked for access token. Enter the access token you obtained in previous step.
Click on MOBtexing SMS button on lead page:
You can also send bulk sms. Select the leads and click on MOBtexting SMS button:
You can follow the same steps to send sms to contacts.
You can view recent messages from the Mobtexting tab located on top navigation