Android As SIP to GSM gateway

Hello! My name is Igor, I can help you with the application I am the developer of this project Feel free to contact me at any time to discuss the details of the project

Hi. I am very interested in your job and have completely understand your requirements , I have done the similar work in my previous app and i can help you in this project. As you can see my profile, I have expertise in Android development.I  have already 5 years of experience in android development.  I would be more than happy to discuss the details further and very much look forward to hearing from you soon. Thank you.

Hello, Android / Application basically which is required according to your project is completely understood by me.I can completely design and develop it for you with all features which you mentioned in your post.I am having experience of 6 years in the same so I think your project is meet according to my profile. It would be really great to work with you,My first priority is provide best performance with client requirements in mentioned time duration. Awating for your positive response, for the further discussion message me on chat window. Thanks Nikita

I have gone through your project details "application that runs on Android phones (4.0 or above) and can receive calls through SIP (Can use any sip stack like sipdroid) and forward it to the GSM network"Looking for a candidate that is extremely familiar with the responsibilities associated with the role and can perform them confidently? Experience in the full skills