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Comfort Automation/ Security System Forums > Products > GSM Module > System cannot send SMS or Dial out but can receive calls

System cannot send SMS or Dial out but can receive calls
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 Posted: Tuesday Aug 10th, 2010 03:05 am
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Symptom
The UCM/GSM is able to receive incoming calls and text messages, but is unable to dial out or send SMS messages.

This is usually because a prepaid SIM card is used and the money in the card has run out. Calls can be received (provided incoming calls are free) and SMS messages can be received but outgoing calls and SMS are blocked.



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Comfort Automation/ Security System Forums > Products > GSM Module > System cannot send SMS or Dial out but can receive calls
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