Aastra IntelliGate A150, Системное руководство

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System Functions and Features as of I7.9
36 Identification Elements
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Calls with the Internal ringing pattern:
• Calls from internal users
• Calls from the public network if Ringing pattern = single ringing tone is set in the
terminal configuration (setting for analogue terminals only).
Calls from users from the private network (PISN users):
– Calls from the private leased-line network
– Calls from virtual network PISN users
• An enquiry call from a user with an exchange call on hold if the parameter Ring-
ing pattern at enquiry destination = internal is set in the common settings of the
user configuration (see "Hold (enquiry call)", page 349 ).
Calls with the External ringing pattern:
• Calls from the public network
– if they do not originate from a virtual network PISN user and
– if Ringing pattern = automatic is set in the terminal configuration (setting for
analogue terminals only).
• An enquiry call from a user with an exchange call on hold if the parameter Ring-
ing pattern at enquiry destination = external is set in the common settings (see
"Hold (enquiry call)", page 349 ).
The Ringing pattern at enquiry destination setting is valid throughout the system.
Note:
Certain terminals which automatically answer calls (e. g. fax machines)
are not able to interpret the double ringing tone correctly. With these ter-
minals the configuration
Ringing pattern = automatic can be used to force
a situation where the single ringing tone is always used for all calls.