What is TCAP (TCAP)?

What is TCAP (TCAP)?

TCAP provides the services to transfer information between nodes, independent of applications. It is defined as an end-to-end protocol, which implies that the protocol will not process the message other than in the sending and receiving end nodes. From SCCP’s point of view, TCAP is merely another variable length parameter.

What is the opcode for TCAP?

The TCAP message is sent as a Unidirectional Message Type without a Dialogue Portion. It uses Operation Code (OpCode) 90 and contains three parameters as shown. The details can be found in 3GPP TS 29.234. So, basically you are taking an SS7 UDT or XUDT message and packaging it up as a one-way TCAP unidirectional message.

Is there a TCAP handshake for mtforwardsm?

The TCAP handshake is a fairly simple procedure to implement, since all the required functionalities exist in the current MAP and TCAP implementations. The call flow for a MTForwardSM is shown here: Although this appears to be a good solution, there are still a few problems that should be considered.