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LINK Mobility - LINK Mobility is Europe's leading provider within mobile communications, specialising in mobile SMS messaging, digital services and multi-channel conversational communication.
Tropo - Tropo is a cloud API for voice and messaging.
Melrose Labs SMSC Simulator - SMPP SMSC simulator to test SMS messaging applications.
Clockwork SMS - Clockwork is an Easy Text Message API. An SMS API for Developers. Build powerful apps and include SMS. Signup is free, Try it now.
SMSAPI - SMSAPI.com is browser platform for bulk SMS and other SMS marketing solutions.
HotTelecom - Our company offers virtual phone numbers, toll-free numbers, PBX, SMS numbers and numbers for a registration more than 100 countries. Buy Now!