Category

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

Category

• DATA COMMUNICATIONS SERVICE
• TELEPHONE EQUIP & SERVICE NORTHERN TELE CO/NORTEL
• TELEPHONE EQUIP & SERVICE TOSHIBA
• TELEPHONE EQUIPMENT LUCENT