aSMS Advanced maintains session state without using cookies. aSMS Standard maintains Session state using cookies stored on the client machine. If the client does not support cookies then aSMS advanced can be used. aSMS Advanced can be also used to develop web based applications for Hand held devices. Hand held devices does not support cookies and due to this maintaining Session state for such applications is really difficult. Using aSMS one can develop applications as if developing for normal clients and easily port to Hand held devices. | 
