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Cisco 2621 Gateway-PBX Interoperability: 
Lucent/Avaya Definity G3si with E1 PRI NET5 
Signaling 
This document describes the interoperability and configuration of a Cisco 2621 voice gateway with a 
Lucent/Avaya Definity G3si PBX using E1 PRI NET5 signaling. It includes the following sections: 
•  System Components 
•  Configuration Tasks 
•  Caveats 
 
System Components 
PBX Model 
Lucent/Avaya Definity G3si 
PBX Release  
7.0 
Telephony Signaling 
E1 PRI 
Voice Gateway  
Cisco 2621 with 2MFT E1 Port 
Gateway Release 
Cisco IOS Release 12.2(3.5)T 
Call Manager Release 
3.1 
VoX Protocol 
H.323 
 
Configuration Tasks 
See the following sections for configuration tasks for this feature: 
•  Set Up command. 
•  Lucent/Avaya PBX Configuration 
•  Call Manager Configuration