With the OBi200, you are in control of your digital & analog communications life. Via the OBi200’s on-board telephone connection as well as via the Internet to other OBi endpoints via Obihai’s free OBiTALK network or up to four (4) available VoIP services, you have the power make and receive phone calls and faxes as well as bridge mobile, fixed line and Internet telephone services. The OBi200 supports the T.38 fax standard for reliable facsimile calls over the Internet.