Sleengshort SMS User Documentation
  • Introduction
  • What is a Sender ID ?
  • Registering Sender IDs
  • Types of SMS
  • SMS Routes
  • Funding Account Wallet
  • API Keys
  • API Route
  • Delivery Report
  • Reasons Why Messages Fail To Deliver
  • Account Management
    • Account Registration
    • The Client Area
    • SMS Report
    • Send SMS
    • Contact Group
    • Select Route
    • Manage Sender IDs
    • Add API Keys
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Reasons Why Messages Fail To Deliver

Please, note that messages may fail to deliver or send DLR even when they’re sent out successfully.

Some of the common reasons messages fail are listed below:

  • Open Bind SMS will only deliver between 8 am to 8 pm as it follows NCC regulations.

  • Insufficient balance in account wallet.

  • The recipient’s line is switched off.

  • The recipient’s SMS inbox storage is full.

  • The recipient’s line is out of the coverage area.

  • The recipient’s line is on DND (when sending via Open Route/Bind).

  • The recipient’s line has been decommissioned.

  • Mobile network fluctuations.

  • Sender ID was not raised or Sender ID was flagged.

  • Sender ID contains numeric characters.

  • Sender ID was used to push international SMS.

  • Incorrect spelling or use of case on the sender ID.

  • Airtel will not deliver any SMS until the sender ID has been raised on both binds.

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Last updated 2 years ago