TSTT is completing upgrade works to its mobile billing system on Wednesday 19th October and advises customers that there will be a an interruption in text messaging services (SMS) from 11:00PM Wednesday 19th October to 12:30 AM on Thursday 20th October.
During this period customers will not be able to send or receive text messages. TSTT regrets any inconvenience but the work is necessary to improve the quality and reliability of service to customers.
SMS and Roaming
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