asterisk usb modem gateway - open to bidding


Project Description:


The goal is to establish an asterisk server and freepbx for the purpose of voip termination in GSM network.

The freelancer has to do the following:

- Install asterisk server and configure it to operate with Huawei usb dongles (modems) having prepaid simcards to connect to the GSM network.

- Be able to attach more huawei usb modems to the server if needed. USB hubs will be used to attach the usb modems.

- The server shall be able to terminate voip calls comming in codecs g729 and g723.

- Other standards codecs like G722, G726, alow, ulow... shall be supported

- Send ussd and ivr to each sim card to topup and credit check.

- Display how much credit is available in each sim card.

- be able to listen to the channels if they are busy.

- If a channel is busy the call shall try automatically the next channel and so on till it finds a free channel.

- FreePBX shall be used to monitor and configure the system

You are free to specify which distribution and version of FreePBX and Asterisk to be used.

You shall define which model of Huawei usb modems have to be used with asterisk (compatible with Linux and asterisk)

Thank you,

Best regards

Skills: Asterisk PBX, Linux, VoIP

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Project ID: #5409673

5 freelancers are bidding on average $491 for this job


Have implemented similar projects , and having 4 years of experience in Asterisks and Linux. • Linux Certified Engineer LPIC-1 (101 & 102). • Microsoft Virtualization with Hyper V and System Centre Certified (74-40 More

$155 USD in 3 days
(0 Reviews)

Dear sir, we already done this project so very easy for us.we can give you good support for this please give me chance to work with you

$533 USD in 4 days
(0 Reviews)

this work will not be carried out by me, but by the company where work, www. tacempresarial., check we are the company No. 1 in Asterisk in Venezuela, and work that you require and we have developed for other companies More

$777 USD in 10 days
(0 Reviews)

A proposal has not yet been provided

$155 USD in 3 days
(0 Reviews)

Hello ! this is Amr iam an Linux System Engineer i work with Voip from 7 years i did an GSM/VOIP Termination in Egypt Before i worked with asterisk/freepbx/elastix/a2billing and with chan_dongle before More

$833 USD in 5 days
(0 Reviews)