Features: - User sets his or her Nexmo username and password - User upload a CSV or Excel file with mobile phone numbers and content of the SMS - Application start sending the SMS via Nexmo (check REST HTTP API doc at Nexmo.com/documentation) - Through a callback URL delivery receipts are received into the application and displayed into a zoho reports tables and graph (two main indicators: % of the campaign sent and chart showing delivery receipts ratio) - Advanced settings: 1) choose the throughout of sending SMS (1sms/s is the default, but here user can choose up to 30sms/s), 2) pause a current campaign, 3) pre-plan one to be sent at certain time