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Support Article

ConnectionException occurs when sending Flash SMS



ConnectionException occurs when sending Flash SMS. This occurs after passing the Data Coding Scheme (DCS) parameter to the SMSC gateway for Flash SMS implementation.

Error Messages

Exception caught connecting to SMS server; ie.ncl.msg.ConnectionException: Cannot connect - Invalid System-ID Service-Type Combination Disconnected successfully from SMS server

Steps to Reproduce

  1. Create a DCS property.
  2. Add the DCS property in the MALPOutboundSMSAdvanced section and the ListAllPropertiesSMS list rule.
  3. Set the DCS property in the outbound SMS landing page. Check the connectivity.

Root Cause

A software use or operation error.

Custom DSC parameter is included in the SMS Account details.


Here’s the explanation for the reported behavior:

Out-of-the-box Pega Marketing 7.12 does not support sending custom settings in SMS Account details. However, Pega Marketing 7.22 supports configuring custom SMPP settings out-of-the-box.

Published April 13, 2018 - Updated December 2, 2021

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