We are a telecommunication company. We are looking for a mobile VOIP SIP application developed for all mobiles. We want this application to be able to call any other mobile that has the same application installed. We have our own voip switch to allow this calls over the internet. We then wish to charge customers a monthly fee and provide them with thousands of free minutes every month.
The application must be something similar to the text messaging software [url removed, login to view]
Our software would allow calling rather then text messaging. Once application is installed on clients phone, he/she must be able to call other contacts that are listed on his/mobile provided they have the same application.
5 freelancers are bidding on average $937 for this job
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Hi i am having 10 years of experience in web & mobile app development. i will do your project i have worked for similar project.contact me for more details