Call Setup

The following scheme shows how the X.25 call setup works:

S1 Ready

T7 I

!

Transition Table

+---

---+----+

T1

DTE

Call Request

S2 I

T2

DCE

Call Connected

|DCE

WaitingI

T3

DCE

Incoming Call

+---

--------+

T4

DTE

Call Accepted

I I

T5

DCE

Incoming Call

+

I I

T6

DTE

Call Request

|<---

-+ I

T7

DCE

Call Connected

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