Our company is looking for an expert Android programmer with high skills in Voice over IP.
The application that we want to create must provide Voice over IP communications in two modes: like a regular telephone call and in Push to Talk mode (PTT).
Applications requirements are:
• Must work with Android versions 2.3, 3 and 4, this include phones and tablets with screen sizes between 7” and 10”.
• Voice over IP and PTT must complain the SIP standard
• The service will include a server side for authentication. All the voice packages between terminals must pass through the server. Server side solution is not the purpose of this work, but suggestions are accepted.
• Conversations must be possible between GPRS, UMTS, HSDPA, WIFI, so adaptive codecs must be used.
• Voice packages must me encrypted.
• Screen design must be included.
• Source code shall be delivered.
The server side of the project is being developed using Open Source IMS.
Your bid must include:
• How long it will take.
• References for similar works.
Good Evening!
My name is Eric Mitchell and I'm quite intrigued by your Android VoIP app project as we have built a variety of mobile apps in the past. After reading the description, I am confident we can develop an app, implementing your specifics, and I'm interested in learning further details. We are a development firm located and operated out of the United States, specifically in New York City. Please review your inbox for further details pertaining to your project.
Dear Sir,
We are a small company with experienced programmers to develop apps in android and iphone . Kindly get in touch with us for discussion and for working together.
regards,
ipower(public Listed Company).