Cisco 2621XM - Router Overview and Interfaces; The 2621 XM;2651 XM Router

Cisco 2621 Gateway-PBX Interoperability: Lucent/Avaya Definity G3si with E1 PRI NET5 Signaling
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Set Up
This section includes the following information:
• Connectivity Diagrams
• Set Up Notes
Connectivity Diagrams
Figure 1: Test Configuration
Figure 1 represents the configuration used for testing: an Lucent/Avaya Definity G3si PBX connected to a
Cisco 2621 voice gateway via an E1 PRI connection.
Set Up Notes
The Cisco 2621 Gateway with ISDN protocol type setting of primary-net5 supports both protocol sides by
using the isdn protocol-emulate network/user command.
The Lucent/Avaya Definity G3si PBX supports both “USER” and “NETWORK” protocol sides by using
change ds1 a12 command.
Phone C
x4001
Basic Call Setup End-to-End Configuration
VoIP
Cisco Call Manager
Release 3.1
Phone B
x2002
Phone D
x4002
Phone A
x2001
PBX #1
Phone E
x N/A
PBX1: Lucent/Avaya
Definity G3si (Rel. 7)
ISDN Type:
E1-PRI
2621_B
Cat 6K
Ethernet
Switch
Cisco 7960 IP phones