NBTC warns sim cards of 1800 MHz mobile users will go offline on September 15

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BANGKOK, 28 May 2014 – The National Broadcasting and Telecommunication Commission (NBTC) warned on Tuesday that mobile phone users who are using the 1800 MHz band who do not switch from the frequency before September 15 will definitely not be able to make calls afterwards.

NBTC commissioner Prawit Lisathaphonwongsa (ประวิทย์ ลี่สถาพรวงศา) said the temporary injunction for the benefit of 1800 MHz frequency users will terminate on September 15. This will affect the 4 million existing users of the service on the TrueMove network and the 1,000 users who remain on the AIS network.

Chakkrit Urairat, deputy director for government relations at True Corporation, indicated TrueMove was now intensifying public relations activities related to the termination of service on the 1800 MHz band, persuading customers to switch over to other frequencies. It has also readied an accommodating measure for customers who have not switched over by the time the service terminates; the company plans to transfer all the remaining numbers to the 2100 MHz frequency. Users will then, after contacting the company, be able to immediately use their numbers under the new network. Alternatively, the customers may contact the company to have their remaining call credit refunded.