SMS/ How SMS Works



MARS sends SMS messages using 3 methods:

By using RedOxygen Web Service:

RedOxygen is a 3rd party text messaging provider. If you have a RedOxygen account, it can be connected with MARS to send text messages. If you do not have an account, you can sign up for an account at The most basic plan is all that is necessary in order for MARS to use this option, however pricing and plans can vary depending on required SMS traffic. Please refer to RedOxygen for further details.

*Note: RedOxygen is not a ChristianSteven Product and is not supported. MARS is simply compatible with this product. For troubleshooting of RedOxygen, please refer to RedOxygen support.


By modem connected to a phone line:

Your cell phone provider provides you with a special telephone number (SMSC Number) when this number is dialled, an SMS device connects to the line, and MARS sends the required information to your provider.  A normal cell phone works by sending text to the SMSC number programmed in the phone.

If you use an SMSC dial-in provider to send SMS messages, you just need a standard Hayes compatible modem. Because SMSC centers operate at low speed, you don't need a fast modem. A Standard 96000 bps modem is already sufficient. Ensure you set your modem to use the speed required by your service provider.

Click here to see more information on providers, numbers and settings.

IMPORTANT: When using an SMSC dial-in provider, you can only send SMS messages, not receive.

By direct connection to a cell phone or GSM Modem:

If you have a cell phone connected to a COM port on your PC, MARS can interface directly with the cell phone and send messages.

You can use a GSM Modem or GSM Phone for sending SMS messages. MARS supports the majority of the GSM modems available on the market, and supports most 'business' GSM phones, i.e. GSM phones that support the AT+C command set.

We recommends a dedicated GSM modem instead of a GSM phone; a GSM modem is more reliable and faster. We recommends WaveCom Fastrack GSM modems.

There are many GSM modems and GSM phones available today, and we do support most of these devices. The SMS component manufacturer has successfully tested the following GSM Modems and GSM phones:

  GSM modems and GSM phones that were successfully tested
  Brand  Type  Send  Receive  Comments
  Ericsson Ericsson T18s True True


  Ericsson T28s True True


  Ericsson T39 True True


  Itegno Itegno  True True Use modem driver and TAPI (USB Modem)
  Nokia Nokia 30 True True


  Nokia 3310 False False


  Nokia 3330 False False


  Nokia 3410 False False


  Nokia 5110 False False


  Nokia 5190 False False


  Nokia 5210 False False


  Nokia 6110 False False


  Nokia 6150 False False


  Nokia 6190 False False


  Nokia 6210 True True


  Nokia 6220 True True


  Nokia 6310 True True


  Nokia 6310i True True


  Nokia 6600 True True


  Nokia 7600 True True


  Nokia 8910 True True


  Siemens Siemens C25 True True


  Siemens C35 True True


  Siemens C45 True True


  Siemens M35 True True


  Siemens M45 True True


  Siemens MC35 True True


  Siemens S35 True True


  Siemens TC35 True True


  Sony Ericsson Sony Ericsson T310 True True


  Sony Ericsson T610 True True


  Sony Ericsson T630 True True


  Sony Ericsson T68 True True


  WaveCom WaveCom Fastrack M1206B True True Use 'Standard 56000 bps' driver
  WaveCom Fastrack M1306B True True Use 'Standard 56000 bps' driver
  WaveCom Integra True True



Whilst we have provided information here on the phones which have been tested, we make no guarantee that MARS will work with any of the above phones, or any other phones.  We do not advise or train on the installation of GSM modems and phones.  For more information, please speak to your telephone system administrator and refer to the user manuals and manufacturer of your phone or GSM modem.

Note:  Whilst the list above indicates that SMS could be received, this facility has not been enabled in MARS.  Within MARS, the component can only send SMS.  MARS cannot receive and process SMS messages.