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need callback feature in a2biling

7 freelance ont fait une offre moyenne de 339 € pour ce travail

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 en 5 jours
(4 Commentaires)
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 en 2 jours
(19 Commentaires)
5.6
hqutbi

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

375 € EUR en 1 jour
(0 Commentaires)
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 en 2 jours
(0 Commentaires)
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 en 2 jours
(0 Commentaires)
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 en 3 jours
(0 Commentaires)
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 en 2 jours
(0 Commentaires)
0.0