University of Tehran
- Design, Production, installation and commissioning of Carin digital telephone exchanges in different capacities and in different colleges and Establishment of digital links between these centers, along with digital Trunks, operator consoles, management and maintenance system, billing, alarm panels and Automatic Operators
Sharif University of Technology
- Design, production, installation and commissioning of a 3000 Subscriber Carin Digital Telephone Center with digital Trunks, Operator Consoles, Management and Maintenance system, billing, Alarm Panel, Automatic Operator
- Expanding and increasing the capacity of the center to 5000 Subscribers and launching remotes for different dormitories of the university
- Upgrade and conversion of the Exchange into a high-capacity structure and increase of 2000 internal Subscribers
Amirkabir University of Technology
- 1K- Carin digital Exchange analog with Analog and Digital Trunks, operator consoles, management and maintenance system
Shahid Beheshti University
- 2K- Carin Digital Exchange with digital Trunks, operator consoles, management and maintenance system, billing, Alarm Panel
Tarbiyat Moddarres University
- Carin High Capacity Digital Switching System with Remote Cabinets, Digital Trunks, Operator Consoles, Management and Maintenance System, Billing System, Alarm Panel Faculty of Agriculture, Tarbiat Modares University
- 0.5K-Carin Digital Exchange
University of Water and Power Industry (Shahid Abbaspour)
- 1.5k- Carin Digital Exchange with Digital and Analog Trunks, operator console, management and maintenance system
Baqiyatallah University of Medical Sciences
- 1.5K- Carin Digital Exchange with Digital and Analog Trunks, operator console, management and maintenance system
University of Science and Culture
- 0.7K- Carin digital Exchange with Digital and Analog Trunks, operator console, management and maintenance system Faculty of Engineering
Faculty of Engineering, Shiraz University
- 1.5K-Carin Digital Exchange with Digital Trunks, operator consoles, management and maintenance system, billing, Alarm Panel
Tabriz University
- Two Carin Digital Exchanges with the Capacity of 2K& 5K and Digital Trunks, operator consoles, management and maintenance system, billing, Alarm Panel
Sahand University of Technology (Tabriz)
- 1.5K- Carin Digital Exchange with Digital Trunks, operator consoles, management and maintenance system, billing, Alarm Panel
Hamadan University of Technology
- 0.3K- Carin Digital Exchange with Digital and Analog Trunks, operator console, management and maintenance system
University of Zanjan
- 1K- Carin Digital Exchange with Digital and Analog Ttrunks, operator console, management and maintenance system, billing
Kashan University
- 1.5K-Carin Digital Exchange with Digital Trunks, Automatic Operator, operator consoles, management and maintenance system, billing, Alarm Panel
- Expansion and increase of internal Subscribers to 2500 numbers
Urmia University
- 1.5K- Carin Digital Exchange with Digital and Analog Trunks, operator console, management and maintenance system
Urmia University of Technology
- 1K-Carin digital Exchange with Digital and Analog Trunks, operator console, management and maintenance system
University of Zabol
- 0.6K- Carin Digital Exchange with Analog trunks, operator console, management and maintenance system
Ahvaz Ramin Faculty of Agriculture and Natural Resources
- 0.5K-Carin Digital Exchange with Analog Trunks, operator console, Management and Maintenance System
Ahwaz Azad University
- 0.6K- Carin Digital Exchange with Digital and Analog Trunks, operator console, management and maintenance system, billing
Kerman Azad University
- 1.5K- Carin Digital Exchange with digital and analog Trunks, Operator console, management and maintenance system
Research Institute of Energy Technology Sciences of Sharif University
- 0.3K- Carin Digital Exchange with Digital and Analog Trunks, operator console, management and maintenance system, billing
Exam center of Islamic Azad University
- 0.3K- Carin Digital Exchange with digital and analog Trunks, Operator console, management and maintenance system
Qom Jameatol Mustafa International University
- VoIP Carin Telephone Center
Dezful Jundishapur University of Technology
- VoIP Carin Telephone Center
Bagher-e- aloloom University
- VoIP Carin Telephone Center
Islamic Azad University, Sciences and Research Branch
- VoIP Carin Telephone Center
Birjand University of Technology
- VoIP Carin Telephone Center
