Category

• TELEPHONES ANSWERING SYSTEMS & EQUIP
• TELEPHONES EQUIP & SYSTEMS SERVICE & REPAIR
• TELEPHONES EQUIP & SYSTEMS
• TELEPHONE EQUIP & SERVICE ITT

Category

• TELEPHONE EQUIP & SERVICE COMDIAL
• TELEPHONE EQUIP & SERVICE ITT
• TELEPHONE EQUIP & SERVICE NORTHERN TELE CO/NORTEL
• TELEPHONE EQUIPMENT LUCENT