In SMS notification traces, 'SmppConnect failed' indicates Unity Connection could not connect to the SMPP provider, 'SmppBindTransmitter failed' indicates an authentication failure with the provider, and 'SmppSubmitSm failed' indicates message submission to the provider failed.

Checked 2026-10-02

Vendor
Cisco
Product
Unity Connection
Subsystem
SMS (SMPP) notification
Deployment
on-premises
Region
not restricted
Release range
Release 15
Checked
2026-10-02

Sources

Cite this note

APA

WarmTransfer. (2026, October 2). Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-sms-errors. WarmTransfer. https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-sms-errors

BibTeX

@misc{warmtransfer-claim-unity-connection-notification-troubleshooting-sms-errors,
  title  = {Troubleshooting Unity Connection voicemail-to-email and notifications: source note unity-connection-notification-troubleshooting-sms-errors},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/unity-connection-notification-troubleshooting-sms-errors},
  note   = {Source note unity-connection-notification-troubleshooting-sms-errors, checked 2026-10-02}
}

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