THE NETWORK OFFERING CALL SERVER : PRIVATE NETWORKS
Ed. 048/20 Réf. 3EH 21000 BSAA
Optimized transfer
The optimization mechanism is applied when the 2 external correspondents are on the same ISVPN
node; the transfer can be monitored (connected) or not (on ringer).
Situation: B (master) is in communication with 2 correspondents (A and C) on the same system.
Optimization: the 2 communications are released and resynchronized on the remote system: a local
call is made from A to C.
NETWORK FORCING (forced dialing)
For reasons of cost, a call from a public network user can be made to use private links as a priority,
followed by public lines if the private network is completely busy.
OVERFLOW
When a destination can be joined in several ways and one of the paths fails (no more resources availa-
ble for example), the ARS automatically tries to take another path (private network -> public network
or vice versa, from one public operator to another).
Overflow is controlled by the barring and traffic sharing mechanisms.
Overflow can also be applied to data communications after compatibility controls.
A
B
C
A
B
C
NETWORK
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