In this video tutorial we are going to learn how to broadcast bulk messages on multiple contacts by using multi USB Modem. This video covers the following topics:
1-How do connect multiple USB modems with PC by using USB hub
2-How do install device drivers and select GSM technology based devices with DRPU Bulk SMS Software
3-Selection of Com port and message sending mode
4-How do load multiple phone numbers list and type the message.

For more details you can contact us:

http://www.sendgroupsms.com

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