https://help.tallysolutions.com/docs/te9rel64/SMS/Config_TallyERP_9_for_SMS.htm

Configuring SMS in Tally.ERP 9

To configure SMS in Tally.ERP 9, you have to register the mobile numbers and enable SMS for the Tally.NET user.

To configure SMS in Tally.ERP 9

1. Register the mobile numbers requiring access

2. Add Tally.NET users and enable SMS