Sun Microsystems 3U - Manual (Page 112)

90 SunATM 3U CompactPCI Adapter Installation and User’s Guide • February 2001
Setting Up an ATM Connection Over a Switched
Virtual Circuit (SVC)
After connecting to the Q.93B driver, either by directly calling the functions as a user
application or by having a setup program connect your application driver as
described in the preceding section, the Q.93B driver is available to your application
to establish switched virtual circuits (SVCs) using the Q.2931 signalling protocol.
The Q.2931 message set is displayed in
TABLE C-1 .
TABLE C-1 Messages Between the User and the Q.93B Driver
Message Type Direction*
SETUP BOTH
SETUP_ACK UP
CALL_PROCEEDING BOTH
ALERTING BOTH
CONNECT BOTH
CONNECT_ACK UP
RELEASE DOWN
RELEASE_COMPLETE BOTH
STATUS_ENQUIRY DOWN
STATUS UP
NOTIFY BOTH
RESTART BOTH
RESTART_ACK BOTH
ADD_PARTY BOTH
ADD_PARTY_ACK BOTH
ADD_PARTY_REJECT BOTH
PARTY_ALERTING BOTH
DROP_PARTY BOTH
DROP_PARTY_ACK BOTH
LEAF_SETUP_FAIL BOTH
LEAF_SETUP_REQ BOTH
*UP is from Q.93B to user;
DOWN is from user to Q.93B