Introduction This application note describes how to send and receive SMS messages using a Siretta industrial modem. NOTE: All Siretta industrial modems support SMS messaging services. The SMS messaging service…
Omari HusseinJuly 14, 2022
Introduction VoLTE uses 4G (LTE) technology to transfer voice audio from one point to another using digital packets as opposed to 3G (UMTS) and 2G (GSM) networks which transfer voice…
Omari HusseinSeptember 23, 2021
Introduction This application note shows how to send an AT command directly to a Siretta Modem using a Mobile phone or SMS relay service. The text messages (SMS) containing AT…
Omari HusseinAugust 17, 2021
Circuit switched networks physically connect two endpoints together using a communication channel through the network. This utilises a fixed bandwidth for the session whilst the two endpoints remain connected. Packet…
Paul GibbonsNovember 24, 2020
IP Sockets Overview To connect embedded systems together using the internet requires the use of data sockets to send information from one location to another. This process has been around…
Paul GibbonsOctober 16, 2020
CSD Overview Many applications in use today utilize the circuit switched dialing (CSD) service available on older style modems and communication devices. The CSD service allows a device to dial…
Paul GibbonsOctober 16, 2020
The latest Siretta ZETA family of modems have been designed to operate with a very low power consumption. The ZETA-NLP has also been optimized to operate in an ultra low…
Paul GibbonsOctober 16, 2020
This Application Note is designed for customers who are looking to test their GPS antenna performance using a Siretta GNSS Modem. Requirements Siretta GNSS Modem such as the ZETA-G-UMTS or…
Omari HusseinOctober 9, 2019
GPRS Connection //Set extended error messages AT+CMEE=2 //Set GPRS APN Name AT+CGDCONT=1,”IP”,”APN Name” Outgoing Connection //Set packet size and timeouts on context 1-6 AT#SCFG=1,1,300,90,600,50 //Open GPRS context 1-6 with GPRS…
Omari HusseinJanuary 30, 2019