Call routing
194
System functions and features as of R3.0
syd-0367/1.3 – R3.0 – 03.2013
Call waiting not allowed or not possible
If no alternative destinations have been configured, the following rules apply:
• In the case of an incoming call from the public ISDN network the caller obtains
the busy tone.
If the caller has subscribed to the service Automatic callback (CCBS) with the net-
work provider, he can activate that service.
• In the case of an incoming call from the private leased-line network the caller
obtains the busy tone.
• In the case of an incoming call from the public analogue network the caller waits
until the called party is free (polling).
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