ASCOM Ascotel 2025 System Manual page 372

Phone Number with an Exchange Access Prefix
If the phone number has an exchange access prefix without route information
(exchange access Business, Private, cost centre selection), the call will be routed
on via the transit route.
If the phone number has a route selection prefix, the call will be routed via the
corresponding route.
Note:
If a number has a route selection prefix and if NPI is E.164, the call will
be routed via the transit route without truncating the prefix.
The exchange access prefix is set under "Send access code" in the route configu-
ration of the source PINX.
170 333 33 33
[1] One and the same trunk group cannot contain both analogue and digital network interfaces.
Transit routing for private leased-line network ® public network with exchange
Fig. 2.96:
access prefix
HBT_20321104_02/B0_en
PINX 2
PINX 1
333 33 33
Trunk group 1 (DSS1)
(E.164)
T2
<- Network connections
T
a/b
[1]
Network
connections
Trunk group 2 (PSS1)
(unknown)
T2
T
Se
ascom Ascotel 2025/2045/2065
PINX 1
Route 1
<- Trunk group 1
170 -> Route:1
haz0782aaena0
Call Routing 2.195