Features
337
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
Example
CFU to the number of a mobile phone user who has switched his phone off:
•If Wait for connection deactivated, Call Forwarding Unconditional will be switched
through: The callers will obtain a spoken text provided by the mobile service pro-
vider, indicating that the required user cannot be reached at present.
•If Wait for connection is activated, Call Forwarding Unconditional is not switched
through and the caller will obtain the ring-back tone.
Scope
This feature is available only with stand-alone communication servers and gateway
PINXs.
9. 4. 1. 3 Examples of Call Forwarding Unconditional
The following examples illustrate three different cases of call distribution:
• Digital network interface without DDI or DDI number to user.
• Digital network interface with DDI number to user + UG busy.
• Digital network interface with DDI number to user + KT and user + KT busy.
Digital network interface without DDI or DDI number to user
Fig. 185 Digital network interface without DDI or DDI number to user
• B makes a CFU to C.
• A calls B, communication server sets up direct connection with C, C rings.
• If user C is busy, A obtains the busy tone.
A
C
B
Communica-
tion server
User
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