SMS - Short Message Service
MMS - Multimedia Messaging Service (이미지 전송 기능)
eztexting.com - MMS 가능
5 cents/message
$5/100개
bulksms.com
3.8 cents/message
$3.8/100개
experttexting.com
$0.0083/message
$0.83/100개
msg91.com
$0.046/message
$5/100개
skipio.com
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