Write an Android application

We are looking to create a VOIP Mobile Dialer and Messenger for our service. We need motivated and professional company to implement the project.

If you do not understand ask questions.. The deliverable MUST meet everything stated in the requirements. See Below.

A mobile dialer that supports both SIP & iax2, initiate calls to, and receive calls from our switch, interface with our payment gateway to update customer balances, check account balances, etc.

We want unlimited concurrent registrations with our switch without licenses

Key Features

Mobile SIP/Iax2 Dialer mobile phone client available for most major phone platforms with customizable user friendly interface for our logo.

Integration with mobile phonebook - For VoIP calling, it integrates with mobile phonebook directly.

Call Credit Information- Users can check their account balance on mobile phone screen or alternatively, they can hear account balance through IVR (interactive voice response).

Data Network Support: Supports 3G/4G, GPRS and Wi-Fi for internet connectivity.

VPN Tunneling: It can be integrated with a VPN tunneling protocol to pass through any firewall or blocked network.

Runs Behind NAT or private IP

White Labled & Customizable with Full Branding Options: Our Mobile Dialer is fully customizable. It can be branded according to your requirements and with your own brand. Your clients can download the dialer with full configuration of your service (i.e., switch IP, port, brand name, balance display etc.). Your client does not need to configure anything else except inserting PIN of their account.

Available on Multiple Platforms : This software will run on the mobile phones having Symbian, Android & IPhone. Blackberry (under development).

SMS, and instant messaging

Technical Specifications:

Protocol : Session Initiation Protocol.

Supported Platforms : Symbian, iPhone, Blackberry and Android

Suppported Codecs : g729, AMR, GSM and g711.

Compatibility with Asterisks Softswitches

Backend Technology

The Mobile Dialer iax2 client is required to maintain existing user accounts, optimize bandwidth and behind NAT or any firewall to enable clients behind the firewall enjoy VoIP calling using the dialer. The dialer should enhance voice quality by choosing suitable codec supplied by Phone manufacturer or from its own implementation.

Habilidades: Android, Blackberry, iPhone, Mobile App Development

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Acerca do Empregador:
( 1 comentário ) Norristown, United States

ID do Projeto: #6570657

35 freelancers estão ofertando em média $2702 para esse trabalho


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Dear Sir, Trust us we can do this project as we had done similar project of our clients. We want to work with you and build a healthy longterm relationship so please contact us and discuss for this project before fi Mais

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Hi We have good experience in VOIP based app . We have developed 5 VOIP app and currently We are doing three VOIP [login to view URL] are using Asterisk, opensip, Open fire , Free switch to configure back end server for VOIP. Mais

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Hello! I'm from Ukrainian outsourcing company with great experience in developing mobile apps. You project seems interesting, so let's appoint chat to discuss specifications, estimation and timeframes accurately.

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Hello, We have around 5 years of experience in VoIP development. We have done similar work before and are quite confident that we can definitely do your project. We have developed a wide range of VoIP dialers for iP Mais

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