16 Ports 64 Sim Cards Gsm Gateway which is most efficient to avoid sim blocking .Product Features：1.Encryption Solution IP Block 2.Port Inter-Calling 3.Call forwarding4.Bandwith Optimization We have 300 K traffic to send per day. Urgently looking for PAK,Afghanistan,Sudan,Liberia non cli routes at competitive rate. Skype:brain_niu
And technology support in free and forever .
Looking forward our long term cooperation.
just contact me
Email:email@example.com Tel : +8613715348075,0086-755-82435955,
SKYLINE International Communication Co.,Ltd.