Avaya Definity G650 Media Gateway TN763D Auxiliary Trunk Interface Circuit Pack

Avaya Definity G650 Media Gateway TN464GP Universal DS1/PRI Interface Card

Avaya Definity G650 Media Gateway TN767E DS1/ISDN Trunk Circuit Card

Avaya Definity G650 Media Gateway TN2224B 2W 24-Port Digital Line

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 TN2224 Digital 24-Port Circuit Pack

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