Telecommunications
Clarkson University Telephone Usage Instructions:
- Emergencies: Dial 9 + 9-1-1
- On-Campus Calls: Dial 4-digit extension
- Local Calls (Staff/Faculty): 9 + number
- Local Calls (Student): Dial *5 + PIN + 9 + number
- Domestic Long-Distance Calls: Dial *5 + PIN + 9 + 1 + area code + number
- International Calls: Dial *5 + PIN + 9 + 0-1-1 + number
- Toll-Free Calls: Dial 9 + 1 + number