Telephone Systems International Inc

Telephone Systems International (TSI) was incorporated in 1998 for the sole purpose of establishing a commercial telephone system in Afghanistan. TSI owns and operates Afghan Wireless, the country's first mobile phone company and it is the largest provider of telecom services of any kind. TSI is headquartered in Florida.

Telephone Systems International - Sub region India
1st Floor Cybiz Center,
309-310 Udyog Vihar-Phase-4,
Gurgaon - 122015
Haryana, India