
Features 129
CLIP (calling line
identification presentation)
••• •
CLIR (calling line
identification restriction)
••• •
COLP (connected line
identification presentation)
••• •
COLR (connected line
identification restriction)
••• •
KEY (keypad protocol) •••
5)
•
AoC (advice of charge) •••
User-to-user signaling •••
TP (terminal portability) ••
Call forwarding unconditional •
Call forwarding busy •
Call forwarding no reply •
Call deflection •
CW (call waiting) ••
HOLD (hold/retrieve a call) •
1)
••
2)
•
4)
ECT (explicit call transfer) ••
3)
•
4)
Path replacement •
Single-step call transfer (via
CAPI deflection)
•
Three-party conference ••
4)
Large conference •
4)
•
4)
Drop conference ••
4)
Name identification services •
(presented by
switch)
•
(presented by
network)
Generic functional
procedures (basis for
supplementary services in
Q-Sig environment)
•
Common information •
Supplementary services
with switch type
Euro-ISDN
(ETSI) PRI
Euro-ISDN
(ETSI) BRI QSiG
5ESS Custom
(AT&T),
5ESS NI
(Lucent/Avaya),
DMS 100
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