Stopping barrage of promotional messages just a dial away BTRC asks operators to ensure the service Star Business Report Star Business Report Mobile phone users can stop receiving promotional messages on their handsets by dialling codes, said the Bangladesh Telecommunication Regulatory Commission (BTRC) in a notice yesterday. The notice comes amid complaints from users of being bombarded with numerous marketing messages regularly. Because of the receipt of so many messages, many important messages sometimes remain unnoticed, they said. Mobile phone operators and BTRC officials said the scope to prevent the promotional messages from coming in had been in place for several years.