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Code for VOIP Phone System

I am looking for a parallel code to be written to the phone systems prisons use for inmates to call out. They are usually prepaid phone systems. An example is GTL. Can we use the phone system and charge a cheaper rate?

Compétences : VoIP, PBX Asterisk, Java, Programmation C, Architecture Logicielle

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Concernant l'employeur :
( 0 commentaires ) Mariposa, United States

Nº du projet : #24592975

16 freelance font une offre moyenne de $4442 pour ce travail

arhamsoftltd

Hi, I have experience with Asterisk, The project sounds interesting though it required R&D. I would like to discuss the project requirement in more detail and ready to initiate right away. Best Regards, MK.

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 75 jours
(102 Commentaires)
8.5
liveexperts123

Hi there,I'm biddin on your project "Code for VOIP Phone System" I have read your project description and i'm an expert in C programming and machine learning therefore i can do this project for you perfectly.I still ha Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 5 jours
(80 Commentaires)
7.4
RaspberryOculus

Dear Sir, I have built a SIP Voip Phone (complete phone) based on ED137 ( for aircraft communication). I am an electrical engineer with 20 years of experience in this area. I got everything you need. I am going throug Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(29 Commentaires)
6.3
mula9211

Hi, I have 18 years of experience in VOIP and asterisk. I offer my services for your project. Please have a look at my profile to see all my experience details. I assure you of a high quality professional service. We c Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 20 jours
(26 Commentaires)
5.4
Rogerfalcone

Hi,dear client. Thanks for taking your valuable time for reviewing my proposal. I am very interested in your project - 'Code for VOIP Phone System'. Because I have been familiar with similar [login to view URL] profile is:http Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 23 jours
(2 Commentaires)
4.4
munirhayat

I have 10 years of experience in developing voip phone system and have successfully done two for inmates in prison using asterisk, freepbx, A2billing. I have years of experience related with prison voip phone system. Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(14 Commentaires)
4.4
mrksoftwarehouse

Hi, I see you have an interesting idea for the prepaid inmate calling system. Let's discuss the details directly as I have few interesting things for you. To not share too much - I'm doing this in a different country Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 21 jours
(1 Évaluation)
2.6
crea8ivecrowd

Hello There, I'm a professional web developer which not only uses techniques in creating things, but also much creativity. I have been working as a professional web developer for the last 8 years + and have done many Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 25 jours
(1 Évaluation)
1.1
SparkStreet

?? American VoIP developer happy to talk with you about your project to build an alternative IN DOC Inmate Telephone Service. There are a lot of considerations to talk through when putting together a prepaid call prog Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 14 jours
(1 Évaluation)
0.6
oleksandrshiyan

Hi there! I have read your project and I can give you the best solution for it. Already I have built Voip phone system App, When you comes to me, I will show it. I am a dedicated developer always looking to learn and Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(0 Commentaires)
0.0
nkvasic5star

Dear client! My name is Nikola.I have checked your proposal. Already I have many experience about VOIP phone system building. I am a professional Mobile/Admin(Backend API) developer worked on local company. I have read Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(1 Évaluation)
0.0
kulikovivan35

Code for VOIP Phone System Dear sir I have completed projects similar to your requirement in the past. If you could share your project detail requirements, I will share relevant past work and demo. I already develop Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 7 jours
(0 Commentaires)
0.0
thisotherperson

I know exactly what it takes to make what you require but need more info on what is already used - more details.

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 30 jours
(0 Commentaires)
0.0
Viitorcloud

Greetings, Much appreciated for the great opportunity. I came across your requirement that you area looking for a highly-experienced App development team to build an Voip Phone System I am glad to say we have equiva Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 40 jours
(0 Commentaires)
0.0
guravitalij

Hi, I could develop a system that provided a closed telephone connection using prepaid services. In general, I have been developing telephone systems of varying complexity and stability for the past 20 years. I have a Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 25 jours
(0 Commentaires)
0.0
nalliancetech

Narinder Alliance Technologies LLC An IT Consulting and Software Development company. We have a team expert in Web Designing, Application Development and Databases. We have worked on various projects across various in Plus

%bids___i_sum_sub_35% %project_currencyDetails_sign_sub_36% USD en 120 jours
(0 Commentaires)
0.0