Features
348
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
Reference to Other Features
"Call Forwarding Unconditional (CFU)", page 333
9. 4. 8 Substitution
In the attendant’s absence, calls to operator console B can be forwarded to a precon-
figured destination C.
Fig. 194 Proxy activated
Detailed Description
Tab. 147 Substitution
• The substitution can only be switched on and off at an operator console and is then
valid for all the operator consoles in the system.
• Personal calls are not diverted.
• Calls that were signalled on the operator console before proxy was switched on are
not diverted.
• If the destination for the substitution is busy, caller A obtains the busy tone. Call
waiting is not automatic.
• If General bell is configured as the destination for the substitution, the call is placed
in the general bell’s queue and caller A obtains the ring-back tone.
• If a user number is defined as destination, and the general bell activated, the call is
indicated on both destinations.
End point Operating sequence / signalling on the terminal Scope
B • All the system operator consoles indicate the fact
that the proxy is activated.
• When the proxy is activated, calls are still signalled
at the operator console but no longer acoustically.
Possible interfaces:
• Operator phone
C Possible destinations:
• User: internal, PISN
• General Bell
• Both (user + general bell)
Requirement:
C is not protected against calls (Do not disturb,
*26) or Call Forwarding Unconditional (*02).
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