| Founder: | Ehsan Bayat |
| Industry: | Telecommunications |
Telephone Systems International is a U.S.-based provider of international telecommunications services founded by Afghan-American entrepreneur Ehsan Bayat. TSI operates the Afghan Wireless Communication Company in a joint venture with the Afghan Ministry of Communications.
In 1998, Telephone Systems International (TSI) was formed with the goal of building a commercial telephone network in Afghanistan.[1]