Dear friend:
This is peter from china skyline telecom
We are professional voip gateway manufacturer
We have 8 port ,sk-8-8 (8 port 8 sim),sk-8-32(8 port 32 sim)
16 port ,sk-16-16(16 port 16 sim),sk-16-64.sk-16-128,sk-16-256
32 port,sk-32-32,sk-32-128,sk-32-256,sk-32-512
Sk voip gateway support imei change ，sim card rotation(you can set one sim use how long time then use next sim ,so sim blocking low),sim card call together(sim will received call,will not always call out),send sms
After tested,sk voip gateway can reduced 50% sim blocking
We also can offer calls,if you buy device from me,we have huge live traffic
My skype:chinaskylinepeter whatsapp/phone:008618682039136
Peter Rao
This is peter from china skyline telecom
We are professional voip gateway manufacturer
We have 8 port ,sk-8-8 (8 port 8 sim),sk-8-32(8 port 32 sim)
16 port ,sk-16-16(16 port 16 sim),sk-16-64.sk-16-128,sk-16-256
32 port,sk-32-32,sk-32-128,sk-32-256,sk-32-512
Sk voip gateway support imei change ，sim card rotation(you can set one sim use how long time then use next sim ,so sim blocking low),sim card call together(sim will received call,will not always call out),send sms
After tested,sk voip gateway can reduced 50% sim blocking
We also can offer calls,if you buy device from me,we have huge live traffic
My skype:chinaskylinepeter whatsapp/phone:008618682039136
Peter Rao