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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

thanks

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

captek

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)
6.2
voipexpert05

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)
5.6
hqutbi

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

€375 EUR trong 1 ngày
(0 Đánh Giá)
0.0
etollfree

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)
0.0
freelancer9466

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)
0.0
Paramtel

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)
0.0
mohitshrm334

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)
0.0