HI:
This is peter from china skyline
We are professional voip gateway manufacturer
We have 2g/3g/4g goip termination
We offer forever free technical support and one year gurantee
We also looking for ncli route,if you buy devices from us,we also can offer traffic to you
Any questions,please contact me
my skype:chinaskylinepeter whatsapp/phone:008618682039136
peter rao