
Chapter 2 System telephony networking overview 61
Networking Configuration Guide
Figure 11 DPNSS networking
Calls are dialed and identified to the system as follows:
• To reach a telephone inside the Private Network, at the BCM site, dial the DN of choice.
• To reach a telephone inside the Private Network, from another site, dial HLC + DN.
• To reach a telephone outside the Private Network, dial an Access Code + HLC + DN.
Each node has its own destination (dest) code, which includes the appropriate access and HLC
codes to route the call appropriately.
BRI Euro Protocol
The Kapsch enhancement introduces two protocol types in BRI Euro Protocol.
•S-T user
•T-T user
The existing protocol type is renamed to S-T user.
BCM Site D
DN # 2229
Extension 2222
LOC # 848
BCM Site C
DN # 3333
LOC # 496
BCM Site B
DN # 2222
LOC # 668
Terminating
BCM Site A
DN # 111
LOC # 244
Meridian M1
LOC # 563
Private
Network
DPNSS
DPNSS
DPNSS DPNSS
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