Find Jobs
Hire Freelancers

IAX2/sip to GSM Android mobile App (android GSM gateway) -- 2

$750-1500 USD

Cerrado
Publicado hace más de 5 años

$750-1500 USD

Pagado a la entrega
i am looking for some one who can make an android mobile app that could make a mobile call trunking application for both directions GSM to (IAX2/SIP) and vise versa. Requirements: 1- Work on any android mobile platform especially low price mobiles. 2- Register by SIP or IAX2 to any required server. 3- if the mobile have two SIM cards it should work for both and each by separate registration. 4- send calls from sip/iax2 to gsm and receive calls from gsm and send it to sip/iax2 5- Support codecs G711a , G711u, G729, gsm, slin and OPUS. 6- CDR for each mobile with syncing or API to post the CDR in a any Database server.
ID del proyecto: 18206025

Información sobre el proyecto

18 propuestas
Proyecto remoto
Activo hace 5 años

¿Buscas ganar dinero?

Beneficios de presentar ofertas en Freelancer

Fija tu plazo y presupuesto
Cobra por tu trabajo
Describe tu propuesta
Es gratis registrarse y presentar ofertas en los trabajos
18 freelancers están ofertando un promedio de $1.237 USD por este trabajo
Avatar del usuario
Full Time Mobile / Web developer for 7 years. Hi. IAX2/sip to GSM Android mobile App (android GSM gateway) I gone through your description and understood what you want. Please feel free to send message if you want to work with me. I am ready to start soon. https://www.freelancer.com/u/kongxiangjia.html. I am one of top 1% mobile/website developers in this website and have 100% completion rate in these 3 years. I will done good job once you hire me. Let’s make long term good business. Best Regards. Li. PS Here are my working styles. 1) I always keep client's requirements as rule and will not want to get paid if client don't like result. 2) I can be available anytime if you want (more than 15h). 3) I am able to send daily or weekly report or commit source 4) I will absolutely keep deadline with perfect features.
$1.250 USD en 20 días
5,0 (149 comentarios)
8,4
8,4
Avatar del usuario
For win-win business I hope you are doing well :) I have strong experienced and skills in developing apps, i have been done the similar kind of projects before so as per my previous work experienced i am 100% confident to work on your project and deliver I have 7 years of experienced in development with the domain Android, iPhone, PHP, MySQL, JSON, Restful API, IONIC, UI/UX. We have enough peoples to complete this job on time line and i am ready to start now as per your need and i will excecute your project in stages. Reasonable to start in stages : Designing , Prototype building, Restful API, Database Setup, API integration, Back-end development, Testing and Beta version launching. If you have any questions, please don’t hesitate to get in touch. I hope to work with you. Thanks and Regards
$1.250 USD en 20 días
4,8 (220 comentarios)
8,1
8,1
Avatar del usuario
Hello, I read the description of your project thoroughly. I understand your requirements basically, and I have experiences of similar project. I am professional Website builder and Mobile App developer, and talented Angular/Nodejs/Vuejs especially. Also I can provide other windows desktop application using .NET techniques. You can see my abilities in my recent reviews, on my profile page. https://www.freelancer.com/u/luiswilliam Now, I have enough time to work for your project and I'm ready to go with you. Usually, I would provide long term support on the work I did. Looking forward your contacting. Thanks! 1542809044510
$750 USD en 2 días
4,9 (25 comentarios)
6,2
6,2
Avatar del usuario
Hello, I can assist you with your project. Need to discuss the project in more detail. Please share your feasible time for discussion. Thanks.
$3.840 USD en 20 días
5,0 (71 comentarios)
6,1
6,1
Avatar del usuario
We are the top linphone customization team in the market. we dealt with top companies of telecom. What are the features you are looking for Calling, Messaging, call history etc? We have developed more than 60 linphone apps for different people over the Globally SOME OF OUR WORKS ARE Magictelnex Infiny Viatalk OyePhone UVConn Sim2 dial Blastream You can also have a look at our portfolio in freelancer https://www.freelancer.in/u/eliteapps which can showcase our works clearly Do INBOX us and provide the details we can rebrand and give you faster.
$1.444 USD en 12 días
5,0 (11 comentarios)
5,7
5,7
Avatar del usuario
Hello, How are you? I will help you with your requirements and i will make the GSM Android mobile App for you perfectly as you want and deliver the job on time line. I am an experienced dedicated mobile apps developer. I am available full time 40 hours per week for the work. As per your need for the project i have necessary skills and expertise so i can do it perfectly and provide you long term support on fixing bugs and issues quickly. Awaiting for your positive feedback on my proposal. Best Regards, Invoke
$900 USD en 20 días
4,0 (17 comentarios)
5,1
5,1
Avatar del usuario
Hey, Greeting of the day, I am PALAK. I was looking through your project requirements I have strong knowledge in { Website Design, PHP, Wordpress, Ecommerce, Magento, Opencart, HTML5, Jquery, Ajax, Javacript, Plugin/Extension development, Graphic Design, Mobile App design, Game development }.and I do believe it's something we have experience in previous development and we can complete in a reasonable amount of time and cost. I have reviewed your job and find myself experience in working with similar kind of job. What i ensure from my end. I provide the complete solution where I provide the code that is easily maintainable, clean codes and provide seamless integration of new functionality. I give attention to details and ensure that the application to be developed is User friendly. I WANT TO DISCUSS YOUR REQUIREMENT IN DETAIL , AFTER I WILL PROVIDE YOU TWO OR THREE LAYOUTS AND BUILD PERFECT APPLICATION MANAGEABLE AND BUG FREE. I am the right person for your project. I believe in customer satisfaction and building long term relationship with the client. If you are interested. please revert me back so we can discuss further details. Thank you PALAK
$753 USD en 5 días
5,0 (3 comentarios)
2,0
2,0

Sobre este cliente

Bandera de JORDAN
Jordan
0,0
0
Forma de pago verificada
Miembro desde may 10, 2018

Verificación del cliente

¡Gracias! Te hemos enviado un enlace para reclamar tu crédito gratuito.
Algo salió mal al enviar tu correo electrónico. Por favor, intenta de nuevo.
Usuarios registrados Total de empleos publicados
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Cargando visualización previa
Permiso concedido para Geolocalización.
Tu sesión de acceso ha expirado y has sido desconectado. Por favor, inica sesión nuevamente.