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need callback feature in a2biling

Hi all i need callback feature in a2billing

please contact me

try to make it in cheapest price


Kỹ năng: VoIP

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Về Bên Thuê:
( 2 nhận xét ) Colombes, France

Mã Dự Án: #1673033

7 freelancer đang chào giá trung bình €339 cho công việc này


Hi, We are asterisk/a2billing/voip solution provider and have implemented and setup various system for calling with many voip features. Please check your PMB for detail. Thanks

€400 EUR trong 5 ngày
(4 Đánh Giá)

Hi, I have done it previously. I can do it for you. Let me know when to start. Thanks vivek

€400 EUR trong 2 ngày
(19 Đánh Giá)

I have done a2billing implementation with callback for various customers. Reference can be provided if required.

€375 EUR trong 1 ngày
(0 Đánh Giá)

we can do this for you quite easily. We are A2 billing experts. We can also host your A2 billing server and provide testing services.

€300 EUR trong 2 ngày
(0 Đánh Giá)

Sir i have enough experience in development and also done tasks like this. Sir give this to me and i m sure you will be definitely satisfied by my Job.. Thanks --- See PMB

€250 EUR trong 2 ngày
(0 Đánh Giá)

Hello, We are a VoIP based support and services company. We have experience working on similar projects. Please check your PMB for details.

€250 EUR trong 3 ngày
(0 Đánh Giá)

I have more than 7 years of experience in the field of VOIP technology, I can do asap as you required also I will provide you the detail steps of doing this too. Thanks Mohit

€400 EUR trong 2 ngày
(0 Đánh Giá)