Trend AuroraPlus User Guide
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Supplementary Service Selection
Supplementary Services are additional ISDN services to
which users can subscribe. They supplement the functions of
Bearer Services or Teleservices.
The available supplementary services are:
• Call Forwarding • Call Hold and Retrieve
• Call Deflection • Keypad
• Three Party Call • MCID
• CCBS • User-to-user signalling
• Call suspend/resume
Call Forwarding
Call Forwarding is a service which lets you send future
incoming calls to another number instead of to your number.
AuroraPlus can be used to activate and deactivate Call
Forwarding, where this facility is supported by the network.
Call Forwarding is protocol specific.
Types of Call Forwarding
• CFU (Call Forwarding Unconditional). This enables a
call to be forwarded regardless of the line status.
• CFB (Call Forwarding when Busy). This enables a call
to be forwarded when the line is in use.
• CFNR (Call Forwarding on No Reply). This only
forwards a call when the call is not answered.
Call Forwarding types may be applied individually to each
type of ISDN service or to all services. Call Forwarding is
also programmed individually for each CLI on a
Point-to-Multipoint configuration and for the whole
interface on a Point-to-Point configuration.
Chap04s2.P65 30/04/01, 16:3520
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