How to Send Bulk Voice Call ?

Voice SMS or call is an automated voice SMS sent to the customer via Fast2SMS Bulk SMS panel. These calls are sent either for advertising or promotional purposes or for providing important information to the registered customer. DLT registration is not required to send Voice call SMS.

Routes for sending Voice call SMS

There are two routes for sending Voice call SMS:

  1. Promotional
  2. Services

1. Promotional route

Voice call sent via Promotional route will be of promotional nature and will get delivered to Non-DND numbers only from 10 AM to 9 PM. Message will get delivered via a random Sender ID. Once you click confirm to send the voice call SMS, our approval team will verify and approve your message. Once it is approved, it will be sent therein.

Note: Sending personal voice call SMS, spam or fraud voice call is strictly prohibited. This service is only for commercial use.

2. Services route

Voice call via Service route will be delivered to both DND and Non-DND numbers 24/7. This message has to be of informative nature. Promotional and Marketing SMS cannot be sent from this route.


Voice SMS charges explanation

10 Paisa for 15 seconds will be deducted from your Fast2SMS wallet balance. It means if your call duration comes out as 15 seconds or less than 15 seconds, 10 paisa per SMS will be charged. If the call duration is more than 15 seconds, then price will vary accordingly.

Example, if your call duration is 8 seconds then, 10 paisa per SMS will be charged. Similarly, if your call duration is 18 seconds then 20 paisa will be charged per SMS.


Process of sending Voice Call SMS from Promotional route

1. Log in into your Fast2SMS account.

2. Click on Voice Call option from the left menubar.

By default, Promotional tab will be opened for sending voice call messages.

3. Enter the mobile number in the mobile number field. You can also use other options like excel and list for adding numbers.

voice call sms sending process


4. Next, type or upload the voice call text. Click on Send to send the message. You can even Schedule the message to be sent at a later date and time.

Convert To Voice: You can use this option to listen to the voice message that will get sent. Once you click on the tab, you get to listen to the voice call SMS that will be delivered to your customer.

voice call text


5. Once you click on the Send tab, a confirmation box will appear with details of your SMS. Click confirm to send the message.

voice call preview

6. As you click confirm, message will be sent for approval and will be checked and verified by our Fast2SMS team. Once it gets verified, the voice SMS will be delivered therein.

Messages will be approved by our team in 12-24 hours.

voice sms sent to non dnd


Process of Sending Voice Call SMS from Service route

1. Select the Services tab.

2. Enter the mobile number in the mobile number field. Type or upload the voice call text in the voice call text field. Click on Send to Send the message.

voice call message via service route


3. As you click on the Send tab, a confirmation dialog box will appear with the details of the message.

voice call confirmation

4. A message will appear on the right side of the screen as shown in the image below

message sent for approval


You can check the delivery status of the voice call SMS from the Delivery Report section.

Delivery report voice sms call


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