Date Added: Jul 2010
The paper primarily provides a brief overview of USSD in GSM domain along with its technicalities involving its Network Architecture, Signaling, Message types and its Applications. It also provides a small leg of USSD - NON Persistent messaging being worked out in CDMA and brief overview of the subscriber experiences and benefits. The paper also aims at developing USSD like solution in CDMA domain and to seek help from the CDMA community to come together and build such high revenue generating solution in CDMA which will bring the CDMA offerings on par with the GSM counterparts. The network traces for USSD as well as Network traces and Handset traces for Non persistent messaging are attached in the appendix for easy reference.