Kakao, a free messaging app popular in South Korea, and other internet-based messaging services are bypassing SMS gateways. Photo: AP
Kakao, a free messaging app popular in South Korea, and other internet-based messaging services are bypassing SMS gateways. Photo: AP
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Lifestyle

WhatsApp, Kakao, other free messaging apps may cost telecoms billions

Agence France-Presse in Singapore

Updated: 11:14am, 21 Apr, 2015

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Kakao, a free messaging app popular in South Korea, and other internet-based messaging services are bypassing SMS gateways. Photo: AP
Kakao, a free messaging app popular in South Korea, and other internet-based messaging services are bypassing SMS gateways. Photo: AP
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