This incident has been resolved. Message delivery towards T-Mobile has returned to normal.
Feb 15, 09:45 PST
Zipwhip engineering has implemented a fix and we are monitoring the results. Zipwhip is currently processing the backlog of messages towards T-Mobile. Messages towards T-Mobile will continue to experience delays while Zipwhip processes the backlog.
Feb 15, 08:45 PST
Zipwhip engineering is continuing to work with the carrier to restore connectivity. Currently SMS messages sent to T-Mobile are experiencing a delay of several hours however these messages will be delivered once connectivity is reestablished.
Feb 15, 07:34 PST
We are continuing to work with the carrier to restore connectivity. Currently, SMS messages sent to T-Mobile phone numbers are experiencing a delay of several hours. Thank you for your patience as we resolve this issue.
Feb 15, 04:08 PST
Carrier maintenance is affecting Zipwhip's connectivity to T-Mobile.
Feb 15, 01:36 PST
We are currently investigation this issue.
Feb 15, 01:19 PST