Need to develop a PTT apps for android and iOS with multiple functionality. Including but not limited to.
Real time PTT with Bluetooth connectivity.
Must have capacity to hold high number of users ( in thousands).
Multiple admin panels.
Must be compatible with most models of mobile phones and operating system versions.
Your assignment in past made me to work with you guys again and I hope, together we can build this unique project effectively and in timely manners. Waiting to discuss with you in details.