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VOIP Expert with Calling Card experience

We are a VoIP reseller looking to expand our service offering.

We are looking for someone with strong experience in deploying VoIP solution (preferably Asterisk). This will run on a server hosted in a data center. Features like IVR and DTMF will need to be active. The service should be able to accommodate multiple concurrent calls.

The VoIP server will be integrated to a calling card solution (preferably A2Billing) which need to be designed and setup.

When a user calls an access number, IVR should ask the user to enter calling card pin. AAA process should be completed. Both the USER TELEPHONE NUMBER and PIN should be stored into database for the next phase of this project.

There is bit more to this project. This will be discussed after shortlisting.

Although we specified preferred software, feel free to suggest software you think might be more suitable. This needs to be open source.

Please feel free to let me know if you require further clarification.

Kỹ năng: Asterisk PBX, Linux, MySQL, PHP, VoIP

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Về Bên Thuê:
( 0 nhận xét ) Dagenham, United Kingdom

Mã Dự Án: #1659550

24 freelancer đang chào giá trung bình $2181 cho công việc này

phpMaestro

Hi, We have designed and built websites for various types of businesses very effectively. We work with all of our clients individually to easily coordinate and to keep track of the requirements and scope. We fulfill Thêm

$2550 USD trong 30 ngày
(270 Đánh Giá)
9.6
meral

[url removed, login to view] provide more info

$3000 USD trong 30 ngày
(196 Đánh Giá)
8.2
zeke

Dear Customer! I am an expert web developer with over 6 years of experience and very interested in this project. Ready to start immediately and finish as soon as possible. My bid is for fast professional service exc Thêm

$2500 USD trong 20 ngày
(173 Đánh Giá)
7.1
captek

Hi, We are asterisk/A2billing/VoIP solution provider and have setup/configured various server for calling. Please check your PMB for related work detail and references. Thanks

$2500 USD trong 25 ngày
(21 Đánh Giá)
7.0
aneelmahmood

Hello, Please check my experience in calling card services...

$1500 USD trong 7 ngày
(25 Đánh Giá)
6.9
Yunas

Hi, detail is in your inbox, Thanks.

$3000 USD trong 20 ngày
(36 Đánh Giá)
6.8
tektrix1

Kindly Check pmb

$2000 USD trong 10 ngày
(19 Đánh Giá)
6.6
romonzaman

hello, please provide more information about your project..

$2500 USD trong 30 ngày
(38 Đánh Giá)
6.5
fseratti54

Hello, i am heavily experienced VoIP developer with 9 years background working with Cisco, Asterisk, OpenSIPS. I been developing Asterisk PBX based calling card, IVR, dialers, for the last 6 years. Best regards, Franci Thêm

$2000 USD trong 15 ngày
(6 Đánh Giá)
5.1
geosohaib

Hi, I am the one who can do this project exactly as you posted. Please check PMB for details. Thanks

$2800 USD trong 15 ngày
(12 Đánh Giá)
5.1
eurolan

Hello, Pls check PM. Thanks.

$2000 USD trong 20 ngày
(17 Đánh Giá)
5.1
scinova

Hi, we can develop this system, please provide more information. Thanks.

$2500 USD trong 20 ngày
(7 Đánh Giá)
4.9
larymonata

Hi, please see my PM

$1500 USD trong 7 ngày
(21 Đánh Giá)
4.7
teksavvy

Hello, Interested. Have experience to complete the task. Thanks,

$1500 USD trong 15 ngày
(12 Đánh Giá)
4.2
mohitshrm334

I have more than 5 years of experience in asterisk & similar projects including linux admin. I will do this with best of my knowledge. Thanks Mohit

$3000 USD trong 20 ngày
(1 Đánh Giá)
1.8
shads4u

we have worked on similar projects

$3000 USD trong 45 ngày
(0 Đánh Giá)
0.0
evolvingnetworks

Please see PM

$2000 USD trong 30 ngày
(0 Đánh Giá)
4.0
AtlantaWeb

Hi, Please check your PM. Thanks.

$3000 USD trong 30 ngày
(0 Đánh Giá)
0.0
Linuxer01

Currently i am working as Assistance Product Support Manager in the company who provide the VOIP solution with Opensip / Freeswitch for Calling Card,Call Back, Did Retail ans SIP Calling. I have experience with Lin Thêm

$1500 USD trong 10 ngày
(0 Đánh Giá)
0.0
anandanr

I have a expert team to do this.

$2000 USD trong 14 ngày
(0 Đánh Giá)
0.0