Is there a way to send a silent sms with gsm modem?

0
votes

Is it possible to send "Silent SMS" (also called Stealth SMS / Ping SMS) with using gsm modem?

Modem supports a set of Hayes commands (or "at commands").

I tried to find the AT-command that send this type of SMS messages, but, unfortunately, I found only getting regular SMS.

1
smsgsmat-commandmodemsilent

1 Answers

2
votes

Sure. Instead of sending a plain text SMS, you are going to have to send in PDU mode (assuming your modem supports PDU mode. Most do.) and build the PDU yourself with a message type 0.

Here is a link to PDU format: GSM 03.40

Here's a link to a previous discussion about PDU mode on modems: How to send SMS by GSM modem in PDU mode?