China Skyline Telecom Co,. Ltd.

Our Main Products for 2G 3G 4G Frequencies:

*VoIP Gateway*: Anti Sim Block For Call Termination & Huge Good Traffic

*SMS Modem*: Send and Receive Bulk SMS For Call Center or Advertisement

*Related Goods*: FXS/FXO Gateway ,Industrial Router, Voice Recorder etc



Advantage: The highest Quality, the most advanced Feature & the competitive market rate

Top Sales: 9 sales teams, 3 after-sales teams, 2 tech teams, 120+ employees,1000+ partners worldwide

Many sims can do international calls free or cheap to make noncli routes, especially for Asian&African Field,even for worldwide .