Microsoft 365 mobile app development.

1. WebRTC SDK framework development and deployment for real time feature like voice/video call, IM, meeting on consumer and enterprise applications for operators in US, Japan and Turkey.2. Designed and developed REST based framework for syncing message from messaging store and other features like greeting upload, delete, voicemail subscription.3. Designed and developed MIME parser to parse all kinds of MIME and CPIM messages.4. Worked on IMAP protocol interface for messaging sync.

1. Designed and Developed SMS over IMS solution on android Smart phones, commercialized the solution in Samsung first 4G phones, droid charge.Work on the same with Google US for the Nexus prime phone.2. Implemented support for VOLTE(Voice over LTE) Solution in android telephony framework and RIL stack.3. Worked with US operator AT&T, Verizon on EPDG and SRVCC features for VOLTE commercialization4. Involved in the Commercialization of Samsung galaxy and Note series smarpthone,focussed on bug fixing and feature addition related with data, IMS, SMS , call , volte for Samsung android phone commercialization.5. Implemented Router for IPV6 tethering support on Android smart phones6. Deployed the Multipath TCP concept on Samsung based kernel on Samsung smart phones7. Download booster feature development to download lrage file sized web content over multiple access technology.8.Developed AT command framework on android platform.9.Currently work on dual sim dual stand by (DSDS) based devices for Reliance operator. Working on VOLTE, EPDG and Embms Feature development.