The method for transferring and recieving data between client and server by RDT message which extends SIP protocol, recording medium, system, user agent client, and user agent server thereof

摘要

The present invention, using the RDT (Reliable Data Transfer) message expand the SIP protocol to a method for transmitting and receiving data between the client and the server, a recording medium, a system, a client (UAC), and the server (UAS). ; According to the invention method for transmitting and receiving data between the client and the server using the SIP protocol, (a) the step of initializing the communication session using the SIP protocol; (B) using the RDT message extends the SIP protocol, and requests data to the server (UAS), confirming that the received data, the data is correctly received; And (c) using the SIP protocol, characterized by including the step of ending the communication session. ; Accordingly, stable between keulrayieonwa server can allow data transmission and reception reliability. ; SIP, UAC, UAS, reliability, data transmission and reception