Dear Partner,
We have SK gateway available for reducing blocking
8/16/32 ports voice gateway and 64 ports sms gateway are available
One port with 4/8/16 sims and work rotate
intercalling function, human behavior
autometically IMEI change and base station change
SK gateway is also used for sms traffic ,we can provide sms traffic
You can feel free to contact me for more details!
Skype: live:joz_188
Whatsapp: +86 13534172393
Telegram: @JozLiao
This is our SK Gateway
https://www.alibaba.com/product-detail/4G-Voip-Gateway-With-SIP-And_1600175525102.html?spm=a2747.manage.0.0.6e0871d21GGSDJ
