Global TaNk provides effective, reliable, and affordable ICT solutions with a competitive edge, designed to support significant business growth for our customers. Specializing in corporate telecom services since 1993, we have always been committed not only to saving clients money but also offering original, highly value-added services.
Global TaNK aims to provide a next generation telecom infrastructure to help clients strengthen their businesses.
|Corporate Name||Global TaNK Co., Ltd.|
|Address||SHIROYAMA TRUST TOWER 4th Floor
4-3-1 Toranomon, Minato-ku, Tokyo 105-0001
|Carrier license||Telecommunications carrier (No. A-11-03348)|
|Business partners||ARTERIA Networks Corp.
Colt Technology Services Co., Ltd.
Rakuten Communications Corp.
Telstra Co., Ltd.
・3 minutes from Kamiya-cho Subway Station
|August 1993||Global TaNK Co., Ltd. was founded as a sole agent of marketing U.S. Telegroup, Inc.|
|December 1995||Global Access Direct (Type-2 International Telecommunications) service launched|
|June 1996||Developed Intelligent billing system jointly with Lucent Technologies|
|March 1997||Primary agency agreement of domestic Long-Distance services with the 4 major domestic telecommunication companies concluded|
|July 1999||UltraCall international telecommunication service launched as the first resale of Type-1 service in Japan|
|March 2000||Intelligent Invoice (customized invoice per extension) service launched|
|May 2001||Conference Call service (connecting up to 90 parties) launched|
|February 2002||International Toll-Free Collect Call service launched|
|August 2002||Call Forwarding (call forwarding service to overseas) launched|
|May 2003||Videoconferenceing system service launched in partnership with major VC manufacturers|
|August 2003||Fixed phones to Mobile phones discount service launched|
|September 2003||Local-call service launched (The lowest rate in Japan)|
|October 2003||Domestic Toll-Free Call service launched|
|April 2004||Ultra ISDN1500 service launched|
|March 2006||Osaka Access Point for Conference Call service launched|
|June 2007||Tokyo Data Centre located|
|March 2008||Direct line service (ISDN1500, ISDN64, Analog) launched|
|November 2008||Mobile call distinction service launched|
|June 2009||Large-scale conference call service launched|
|November 2009||Direct and dedicated lines service launched|
|March 2010||Call centre consulting service launched|
|November 2011||Tokyo Data Centre relocated|
|December 2011||Multi Carrier Centrex service launched|
|May 2014||Videoconferencing Service launched|
|April 2015||Cloud-based IP-PBX service "UltraPBX" launched|
|March 2016||Tokyo Data Centre utilisation enhanced|
|June 2017||New billing system launched|