Category

• TELEPHONES EQUIP & SYSTEMS
• TELEPHONE EQUIP & SERVICE NORTHERN TELE CO/NORTEL
• NORSTAR TELEPHONE EQUIPMENT
• MERIDIAN TELEPHONE EQUIPMENT

Category

• TELEPHONES EQUIP & SYSTEMS
• TELEPHONE EQUIP & SERVICE MITEL
• TELEPHONE EQUIP & SERVICE NEC
• TELEPHONE EQUIP & SERVICE NORTHERN TELE CO/NORTEL

Category

• SECURITY CONTROL EQUIP & SYSTEMS & MONITORING
• TELEPHONE EQUIP & SERVICE COMDIAL
• TELEPHONE EQUIP & SERVICE NEC
• TELEPHONE EQUIP & SERVICE NORTHERN TELE CO/NORTEL

Category

• Unknown
• TELEPHONES EQUIP & SYSTEMS
• TELEPHONE EQUIP & SERVICE MITEL
• TELEPHONE EQUIP & SERVICE NEC
• TELEPHONE EQUIP & SERVICE NORTHERN TELE CO/NORTEL