Outage in Bandwidth
Outbound SMS Delivery - T-Mobile
Resolved MinorIncident Report
Summary AI Generated
Bandwidth experienced a minor, 4.2-hour incident affecting outbound SMS delivery to T-Mobile subscribers via SMPP, causing irregular delivery and inconsistent delivery times. The issue was traced to an off-network event outside of Bandwidth's infrastructure. Delivery returned to normal and the incident was resolved after a period of monitoring for stability.
Bandwidth teams have identified an off network event in which SMS messages destined to T-Mobile subscribers may experience irregular delivery with inconsistent delivery times.
Components affected
Bandwidth SMS Messaging (SMPP)Trusted by 1,000+ teams
The Status Page Aggregator with Early Outage Detection
Stop finding out about outages from your users. Monitor 6,320+ cloud services and get alerted the second something breaks.
Latest Updates ( sorted recent to last )
RESOLVED
3 days ago - at 08/31/2026 09:13PM
This incident has been resolved.
MONITORING
3 days ago - at 08/31/2026 06:16PM
Teams are observing expected delivery. We will monitor for stability.
IDENTIFIED
3 days ago - at 08/31/2026 05:05PM
Bandwidth teams have identified an off network event in which SMS messages destined to T-Mobile subscribers may experience irregular delivery with inconsistent delivery times.
Latest Bandwidth outages
Outbound Calling Incident - Germany Datacenter - about 4 hours ago
Bandwidth Local Market Impairment - 656 - Denver, CO - about 7 hours ago
Bandwidth Local Market Impairment - 136 - Syracuse, NY - about 11 hours ago
LAX Datacenter Incident - about 20 hours ago
MDR Generation Incident - 1 day ago
The Status Page Aggregator with Early Outage Detection
With IsDown, you can monitor all your critical services' official status pages from one centralized dashboard and receive instant alerts the moment an outage is detected. Say goodbye to constantly checking multiple sites for updates and stay ahead of outages with IsDown.
Start free trialNo credit card required · Cancel anytime · 6320 services available
Integrations with
