Testing on content delivary network and cloud storage.
Comprehensive knowledge in telecom protocols like SIP (Session Initiation Protocol), RAN ( Radio Access Network), Mobile network Architechture, GSM, UMTS, 3G, IMS ,ISUP(ISDN User Part), MRCP(Media Resource Control Protocol), DPNSS, MELCAS , PRA, RTP(Real Time Protocol), HTTP (Hyper Text Transfer Protocol) etc.