Call routing
208
System functions and features as of R4.1
syd-0570/1.2 – R4.1 – 08.2016
Direct Network Access
The communication server is directly connected with several networks operated by dif-
ferent network providers.
Fig. 100 Direct access to network A or B using LCR
Indirect Network Access
The communication server is connected to a specific network (network A). The desti-
nation network (network B) is reached indirectly via this network. This case occurs fre-
quently.
Fig. 101 Indirect access to network B via network A using LCR
For indirect access the phone number dialled must contain the following information:
• Call number of the destination user.
Communica-
tion server
LCR
Network A
Network B
Network A
Network B
Communication
server
LCR
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