Company Contact Information

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These companies have registered with the Michigan Public Service Commission (MPSC) per Commission Order U-11900 and Sec. 211a of the Michigan Telecommunications Act (MTA)

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Company Contact:	Altigen Communications, Inc. 670 N. McCarthy, Suite 200 Milpitas, California 95035, United States Phone:  (408) 597-9000 Fax:  (408) 597-9020 Email:  regulatory@csilongwood.com Website:  https://www.altigen.com/
Customer Contact:	Carolyn David 670 N. McCarthy, Suite 200 Milpitas, California 95035, United States Phone:  (408) 597-9000 Fax:    Email:  carolyn.david@altigen.com
DBA:
Registered as:	Voice Over Internet Protocol Provider (VoIP)