About Obihai Adapters
Obihai Adapters allow users to use their existing analog phone or fax machine to make calls via the Internet.
Featuring an easy setup process, Obihai Adapters also provide many user-friendly features with a SIP service provider such as message waiting indication (MWI), speed dial, three-way conferencing, caller ID name and number, and more.
With your choice, the zero touch customization (ZT) with the lowest cost and fastest deployment is available with a very low minimum order quantity. The USB port that supports the OBiWiFi or OBiBT allows users to use Obihai Adapters anywhere within the range or you can connect to an additional storage device to access stored files remotely via the Internet.
Why buy Obihai Adapters?
- Work with most SIP-based Internet Service Providers (ISP) or Google Voice as your VoIP service
- Feature-rich solutions including call waiting/ forwarding, speed dial, three-way conferencing, and more.
- Zero touch customization (ZT)

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Polycom OBi302 - 2 FXS ATA with Router and QoS
SKU: 02-114559
The Polycom OBi302 is a Service Provider quality, 2 port Analog Telephone Adapter (ATA) which allows you to use your existing analog phones or fax machines to make calls using the internet. It includes an integrated 2 port router with QoS and has the ability to work wirelessly using OBiWiFi or OBiBT. The OBi302 will work with most SIP-based Internet Service Providers (ISP) and is available with Zero Touch customization with a small minimum order quantity.$79.95 -
Polycom OBi300 1 Port ATA
SKU: 02-116086
The Polycom OBi300 is a Service Provider quality, 1 port Analog Telephone Adapter (ATA) which allows you to use your existing analog phones or fax machines to make calls using the internet. The OBi300 will work with most SIP-based Internet Service Providers (ISP) and is available with Zero Touch customization with a small minimum order quantity.$63.95 -
OBihai OBi508vs
SKU: 02-118561
The OBihai OBi508vs is a 8 FXS analog gateway for use with regular phones, faxes and legacy systems. The OBi508vs also includes one gigabit ethernet port. -
Obihai OBI504 Universal Telephone Adapter with 4-Phone Ports (FXS)
SKU: 02-122889
Obihai Universal Telephone Adapter with 4-Phone Ports (FXS)$249.99