Call routing
196
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
• External digit barring 4:
Only calls within Europe permitted.
• External digit barring 5:
All enabled except */# features on the exchange.
• Internal digit barring 1 to 5:
Remote control (*06) of function codes, room monitoring (*25) and setting of the
system time and system date (*57, *58) barred.
• Internal digit barring 8 (Mitel 415/430) and 16 (Mitel 470): Remote maintenance ac-
cess (*75) and switching over switch groups (*85) barred.
Mitel Advanced Intelligent Network:
In an AIN the digit barring settings apply to the entire network. The default values depend on
the Master’s sales channel and not on the country that is configured in the corresponding
region.
6. 4. 3 Call to the Public Network
Access to the public network can be obtained with a variety of dialling types:
• Dialling an exchange access prefix
• Dialling an abbreviated dialling number (see page 197)
• Dialling the emergency number (see page 198
)
• Dialling via a line key on a key telephone (see page 200
)
• Dialling via a line key on an operator console (see page 201
)
• Dialling the phone number of a virtual network PISN user (see page 201
)
Dialling an exchange access prefix
The allocation of prefixes to access types is set out in the numbering plan, where the
prefixes can be configured (see "Numbering Plan Identifiers", page 54
).
Exchange access prefixes are used to dial the following access types:
• Exchange access, business:
The call is routed via the route configured for the user.
The call charges are logged under Business on the user counter (among others) (for
more information on call charge allocation see "Individual charge counting or ICC",
page 265).
• Exchange access, private:
The call is routed via the route configured for the user.
The call charges are logged under Private on the user counter (among others).
• Cost-centre selection:
The call is routed via the route configured for the user.
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