Avaya Definity G650 Media Gateway TN763D Auxiliary Trunk Interface Circuit Pack

Avaya Definity G650 Media Gateway TN771DP Maintenance and Test Circuit Pack

Avaya Definity G650 Media Gateway TN747B 8-Port Office Trunk Circuit Pack

Avaya Definity G650 Media Gateway TN746B 16-Port Analog Circuit Pack

Avaya Definity G650 Media Gateway TN2312BP IP Server Interface Card

Avaya Definity TN762B Hybrid Line Circuit Pack

Avaya Definity G650 Media Gateway TN775D EPN Maintenance Board

Avaya Definity G650 Media Gateway TN2224 Digital 24-Port Circuit Pack