, ATM.
, (). . Q.931 Q.931 : , , , , UNI, . .6-2.
6-2. ,
- Setup - Call Proceeding (Call Proc) - Connect - Connect Acknowledge (Connect Ack) | - - - ( ) - |
- Release - Release complete | - () - () |
- Status enquiry (SE) - Status | - - |
- Restart - Restart Acknowledge | - - |
"-" - Add party - Add party acknowledge - Add party reject - Drop party - Drop party acknowledge | - - - - - |
.6-14 ATM.
.6-14. ATM
, ATM Setup ( ), . , AAL: , QoS, (.6-14).
Setup, Call Proceeding ( ), Setup Call Proceeding. , .
, , Connect (). . , Setup, , , Setup.
Connect, Connect Acknowledge ( ). .
.6-15 ATM.
|
|
.6-15. ATM
.6-15, ATM Release (), . . , . , Release, Release Acknowledge (, ), .
SVC VC:
- (CVC) - , ;
- (DVC) - , ;
- (RVC) - , .
ATM , . B-ICI DXI (. .6-1). , ATM, PDU ATM ATM.
, " " (tunneling) ATM, , , .. " ". , .
, . Q.2931, (ISE). , . . Q.2931 , , . .
.6-16.
ATM (.6-16), "" UNI "" UNI (1WU). .. , , , Q.2931 , . , IWU .. "", 2, 3 .