System Functions and Features as of I7.9
Call routing 175
syd-0200/3.0 – I7.9 – 11.2009
5. 5. 3. 5 Exchange access authorization
The outgoing authorization to telephone into the public network is defined with
the parameter Exchange access in a permission set. The permission set is then as-
signed to a user.
This setting does not bar dialling into the public network with abbreviated dialling
and emergency numbers (see "Bypassing the digit barring", page 165).
Note:
If the call type for hotel applications is configured to Room, Exchange
access can also be set in the user settings. To enable a hotel guest to make
external calls, Exchange access must be allowed in the assigned permis-
sion set as well as in the user settings.
5. 5. 3. 6 Priority exchange allocation
This feature gives individual users preferential treatment when they set up outgo-
ing connections. If a user with priority exchange allocation sets up a connection
and all the B channels of the selected route to the network are busy, one of the B
channels will be cleared down and made available to the user (user configuration
setting: External priority = emergency).
Fig. 74 Network access rights for users with and without Priority exchange allocation
Ascotel® IntelliGate® Net:
In an AIN, priority exchange allocation can only be guaranteed on the
local exchange interfaces, not across the entire network.
3UBSCRIBER¬#ONFIG
%XT¬PRIORITY¬¬NORMAL
3UBSCRIBER¬#ONFIG
%XT¬PRIORITY¬¬EMERGENCY
!
"
)F¬!¬WANTS¬TO¬SEIZE¬AN¬EXCHANGE¬LINE
NO¬"¬CHANNEL¬WILL¬BE¬AVAILABLE
"¬REQUESTS¬AN¬EXCHANGE¬LINE
SEIZURE¬AN¬EXISTING¬CONNECTIONS¬IS
DISCONNECTED¬ON¬BEHALF¬OF¬"
!LL¬"¬CHANNELS¬BUSY
HAZAAENB
0"8
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