Routing-Based Networks Using T1 E&M Lines - Nortel BCM50 Configuration Manual

40 Chapter 2 System telephony networking overview
• "PRI networking using Call-by-Call services" on page 41
• "PRI SL-1/Q.Sig/DPNSS and VoIP trunk networking" on page 42
Routing-based networks using T1 E&M lines
By properly planning and programming routing tables and destination codes, an installer can
create a dialing plan where T1 E&M lines between BCM systems are available to other systems in
the network
Figure 4 shows a network of three BCM systems. Two remote systems connect to a central system.
Figure 4 Dialing plan for T1 E&M routing network
Pool H
Each system must be running BCM software. Each system must be equipped with target lines and
a BCM expansion unit with a DTM with at least one T1 E&M line.
NN40020-603 NN40020-603
New York
Network # 2221
Received # 2221
Internal # 2221
Pool M
T1 E&M
Toronto
Network # 6221
Received # 6221
Internal # 6221
Pool B
T1 E&M
Santa Clara
Network # 4221
Received # 4221
Internal # 4221
Pool N