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Nexmo offers it (although it's in Beta like pretty much every meaningful service): https://www.nexmo.com/tour/USSD.html https://www.nexmo.com/tour/USSD.html
by kolev 12y ago
Nexmo offers it (although it's in Beta like pretty much every meaningful service): https://www.nexmo.com/tour/USSD.html https://www.nexmo.com/tour/USSD.html