ASCOM Ascotel 2025 System Manual page 296

The diagram below shows how an incoming call is routed:
Incoming call from the public network or
from the private network
yes
Routing to
CD as per trunk group
setting
yes
Routing via
transit route towards
exchange
Fig. 2.60: Routing an incoming call
HBT_20321104_02/B0_en
Call via
analogue network
connection
?
no
Overwrite
yes
call number
NPI?
no
Is E.164
the call number
NPI?
no
Direct
dialling plan
no
allocated
?
yes
DD number
no
found?
yes
Routing to CD
of DD number
ascom Ascotel 2025/2045/2065
haz0726aaena0
Overwrite
NPI
Network = public?
no
Suitable
number in
numbering
plan?
yes
Routing to destination
of number found
yes
Routing to CD
as per trunk group
setting
no
Congestion tone
Call Routing 2.119