rs232 16 port gsm modem pool

Application:

1)IWhen you are using the telephone, and you are want to get  preferential from VoIP Phone anytime and anywhere.You just call the SIM card number which in GoIP,the calling number would send to Server by GoIP,then the server receive the calling number and establish the new calling.Then you will receive the new calling,you just accept the calling, Now you are calling with your customer by server.

Solution:

1)Used in conjunction with VOS, VPS, call back or other Asterisk-based softswitches, for accessing VoIP network by SIM cards, LCR select least cost router to reduce the cost of calls.

2)Saving Cost on International and Long Distance Calls,when you are in the other countries& you have this gateway at your Local office,you could dial & receive phone call from your customers as you are there without Long Distance fee Very excellent solution for internal company with branch offices oversea.

Q: Are you trading company or manufacturer ?

A: We are developer and manufacturer in Voip products from 2003 year.

Q: What is our main express shipment?
A:  DHL,UPS,FEDEX,TNT,EMS(can send to all over the world).

Q: How long is warranty?

A: Usually warranty is 12 months. If you need, we can provide with more long time  warranty.

Q: How about your service?

A: Pls don't worry.If you have some problem,our engineer will give u help at the first time.
If you have another question, please feel free to contact us as below:

Marrisa 
Shenzhen Ejoin Technology Co.,Ltd.
Tel:0086-755-8524 5166-806

Fax:0086-755-85245122
What's App/Mobile:86-13590138156
Skype: ejointech-m

QQ chat: 2898220495

Web: