Hello partners

Our SK32-32/SK32-128/SK32-256/32-256/32-512，which can avoid sim block for VoIP Call Termination
It support human behaviors,inter call and change base station and so on

We manufacture Voip Gateway, and provide good Traffic too
If you are in voip business or interested it，we can offer special technology and good traffic,wish your can join us

Eric
Skype: eric@chinaskyline.net
Whatsapp:0013537195476