Asterisk with FreePBX and a2billing using HUAWEI usb modems - repost

Avg Bid (USD)
Project Budget (USD)
$250 - $750

Project Description:
We are looking for freelancer to install and configure the following:
asterisk 1.8 or newer
Would like to run 100+ Huawei USB sticks as asterisk trunks
You should specify which models of Huawei USB sticks to be used (compatible with asterisk)
The USB modems will be connected to USB hubs (each hub for 10 USB sticks)
FreePBX shall be installed and configured
A2billing shall be installed and configured,
Add Interface admin for send USSD for selected huawei modem trunk.
Custom a2billing trunk can set credit limit usage per trunk.
IVR functionality.
Codecs g-729 and g-723 shall be installed, because our clients send us calls in codecs g-729 or g-723. Those calls will be connected to GSM network using Huawei USB modems.
Must be able to
Send call
Receive Call
Write all received ussd to a file in form of ussdreccurdate()
must keep track of the stick so if i exchange usb ports we must follow the stick, i suggest we create a db with
trunk_name and imei_number
Once you get this project to work, you must do a writeup of all steps.

I also need a module to change the device IMEI number
Best regards,
BK InterCom

Skills required:
Asterisk PBX, Linux, PHP, VoIP
About the employer:
Public Clarification Board
Bids are hidden by the project creator. Log in as the employer to view bids or to bid on this project.
You will not be able to bid on this project if you are not qualified in one of the job categories. To see your qualifications click here.

$ 1500
in 10 days
$ 1050
in 3 days
$ 3000
in 3 days
$ 990
in 5 days
$ 1100
in 20 days
Hire ditu
$ 1350
in 45 days
$ 400
in 7 days
$ 1100
in 7 days
$ 762
in 15 days
$ 500
in 7 days