Siemens M20 terminal not SMS compatible

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SMS & MMS Technical Forum » NowSMS Support - SMS Issues (Product Support Only) » Archive through February 02, 2006 » Siemens M20 terminal not SMS compatible « Previous || Next »
Author Message
Unregistered guest
Posted on Monday, October 24, 2005 - 05:46 pm:   

Hi, I am trialing Now SMS with a Siemens M20 terminal however I am not able to connect to my SMSC via the M20 Terminal. I get the error "the modem is not SMS compatible".

Bryce Norwood - NowSMS Support
Board Administrator
Username: Bryce

Post Number: 5180
Registered: 10-2002
Posted on Tuesday, October 25, 2005 - 02:00 pm:   

Hi Brian,

Does the SIM card in your modem require a PIN?

If so, try putting the PIN into the NowSMS configuration. But if you still receive this error, try removing the PIN from the SIM. (The easiest way to remove the PIN is to place the SIM in a mobile phone and use the menus in the phone to remove the SIM.)

If that still doesn't work, try the updated NowSMS at The latest update has additional functionality to wake up sleeping modems.


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