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Obihai Technology, Inc. > 
Item#: N82E16833617003

Obihai OBi202 VoIP Phone Adapter with Router – Google Voice, SIP & T.38 Fax Support

  • Works with Google Voice
  • Easy to Set-Up Using
  • 1x USB for Obihai Accessories OBiWiFi and OBiBT

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews
  • Google Voice Officially Supported Device
  • Easy to Set-Up Using OBiTALK
  • Free Domestic and Super Low-Cost International Calling
  • Works with Up to Four (4) VoIP Services
  • USB Port for Obihai Accessories OBiWiFi, OBiBT

Free Calls with Your Home & Small Business Phones

Obihai OBi202 VoIP Phone Adapter with Router - SIP, T.38 Fax Support

Use your existing corded or cordless phone(s) and your broadband Internet to make and receive calls over the Internet for FREE (or at a very low-cost).
Via the OBi202's two (2) on-board phone connections, you have the power make and receive phone calls using VoIP services for FREE or at a fraction of the cost a traditional phone company would charge. The OBi202 supports up to four (4) VoIP services like Google Voice, RingTo, Anveo, Phonepower, OneSuite or a multitude of SIP Internet phone services as well as calls to other OBi endpoints via Obihai's free OBiTALK network. The OBi202 also supports the T.38 fax standard for reliable facsimile calls over the Internet.

The OBi202 is equipped with a two-port router with integrated quality of service (QoS). The OBi202 may be installed in a variety of network environments and/or locations where upstream voice traffic needs to be prioritized above other types of traffic like web surfing and uploading pictures and movies.

The OBi202 USB port serves multiple purposes when used with Obihai USB accessory products. Using the OBiWiFi Wireless Adapter, the OBi202 can be placed anywhere within range of an 802.11b/g/n access point. The OBiBT Bluetooth wireless adapter allows a USB-equipped OBi device to pair with a mobile phone so you can place calls and answer calls using any standard home phones connected to the OBi. The OBiBT works with most mobile phones using Bluetooth wireless technology. The OBiLINE adapter allows a USB-equipped OBi device to make calls to a Land-Line Service from Phones Connected to the OBi.

Why You Will Love the OBi
  • Save Money
    Use free and low-cost VoIP services from OBiTALK Approved Service Providers to lower your phone bills - Maybe to nothing!
  • Pay Only for the Device — It's Not Locked to a Service!
    Easily add VoIP services, to make & receive phone calls to and from regular numbers. In addition, OBi to OBi calls are free.
  • Computer Not Required
    All you need is your existing home phone and broadband router.
  • Fantastic Voice Clarity
    Talk with your family and friends anywhere in the world, from the comfort of your home telephone.
How Does the OBi Work?

The OBi allows you to make and receive phone calls using your high-speed Internet, your regular home phone and a "VoIP" Internet phone service provider like Google Voice, RingTo, Anveo, Phonepower or OneSuite. No computer is needed. You can also call for free from one OBi to another OBi anywhere in the world. In this case, a traditional phone service is never needed to make the connections. Talking becomes truly free.

Google Voice and the OBi

With a Google Voice account and a companion OBi device you can make and receive VoIP calls on a regular telephone.

Simple Set-Up

  • Login to the OBiTALK website
  • Add your OBi device and select Google Voice as your service.
  • You'll then confirm your account with Google.

Within minutes, you will be making and receiving calls from the comfort and convenience of your home phone.

OBi Devices Make a Great Companion for Google Voice

  • Place and Receive Calls with Your Google Voice Number on Regular Phones
  • Call Internationally at Low Rates to Over 150 Destinations
  • Premium Features Included for Free Like Voicemail, Call Waiting, Telemarketer Blocking, Caller ID

Amazing and Useful Features
Enjoy all the benefits of Google Voice on your OBi device, including features like:

  • Personalized Voicemail Greetings
  • Call Blocking
  • SMS to email
  • Voicemail Transcription

Incredibly Low Calling Rates

OBi users can also take advantage of Google Voice's low calling rates. Today, calling the U.S. is free from the U.S. & Canada and 1¢ per minute from everywhere else. International calling rates are also really low, with per minute rates starting at 1¢ to China, India, Mexico, Brazil and 150 other destinations – with no connection charge.*
Also, since Google Voice does not support 911 calling, for a small fee, the OBi device may be set-up with a dedicated E911 VoIP service.

*Rates subject to change by Google.


  • 1. Broadband Internet Connection
  • 2. Internet Router with Available Ethernet Port (Optional if the OBi202 is connected directly to a modem)
  • 3. Analog/Digital Corded or Cordless Phone

  • 1. VoIP Service Provider Account Username & Password (Optional But Highly Recommended)
    Examples of Service Providers:
    OBI202- Free calls to US and Canada
    OBI202- Free calling when you port your number
    OBI202- Starting at $3.33 per month with 911
    OBI202- Starting at $2.92 per month with 911
    plus many more Approved and Compatible Service Providers at the OBiTALK portal!

  • Free or Ultra-Low Cost Phone Service – Reduce your phone bills next to nothing
  • Unlocked - Use with Any VoIP Service Provider (SIP)
  • Get the Lowest Cost International Calls with Service Providers of Your Choice
  • Free Premium Features - Caller ID, Call Forwarding, Call Waiting, 3-Way Calling
  • Free OBi to OBi Calls Anywhere in the World
  • No Computer Required to Make/Receive Calls
  • OBi Callback - Make Calls at Receiving Rate when your OBi automatically calls you back!
  • Fantastic Call Quality - Even when there is heavy Internet traffic.
  • Mini-Phone System - The two phone ports work together making the OBi202 perfect for small business!
  • Reliable Faxing with T.38 when supported from the connected VoIP service.
  • Use free OBiON iPhone™ & Android™ Apps from Your Smart Phone
Easy Set-Up
  1. Connect the OBi to Your Internet Router or Directly to Your Broadband Modem via Ethernet
    Optional: You may also use the OBiWiFi Wireless Adapter to connect your OBi202 to any Wireless Wi-Fi access point within range.
  2. Connect Your Home Phone to the OBi
  3. Sign-on to OBiTALK website
  4. Set-Up a Voice Service from a List of Partner Providers or Add Any SIP VoIP Service to Your OBi Device

Additional Benefits
  • 1-Year Limited Hardware Warranty
  • Expert Technical Support via...
    - Email
    - OBiTALK Community Forum
  • Free Software Updates & Enhancements
OBI202 OBi202 Device Telephony Features:
  • Message Waiting Indication - Visual and Tone Based
  • Speed Dialing of 99 OBi Endpoints or Numbers
  • Three-Party Conference Calling with Local Mixing
  • Hook Flash Event Signaling
  • Phone Port Collaborative Feature-Set: Incoming Call and Call On-Hold Pick-Up, Join / Barge-In
  • Caller ID - Number
  • Caller ID - Name
  • Call Waiting
  • Call Forward - Unconditional
  • Call Forward on Busy
  • Call Forward on No Answer
  • Do Not Disturb
  • Call Return
  • Call Recording (From Device Web UI)
  • Call History (Last 200 Calls from Device Web UI)
  • Aggregation and Bridging of Two (2) SIP and One (1) OBiTALK Services
  • Automatic Attendant (AA) for Simplified Call Routing
  • Call Back Service - Connect to AA to Make a New Call or Ring the Attached Phone

OBiTALK Web Portal Integration:
  • Configuration and Management of OBi Endpoints
  • Addition & Configuration of VoIP Service Providers - Including 7-Digit Dialing
  • Download OBiON Apps for Smart Phones, Internet Tablet Devices & PCs
  • Creating & Joining Circles of Trust So You Can Share Your OBi's Services with Friends & Family
  • Setting Up Your OBi Endpoint Speed Dial Directory
Which OBi Should I Get?

OBi VoIP Adapter Selection Matrix
Model# OBi100 OBi200 OBi202 OBi110
OBiTALKWeb Portal Set-up & OBi-to-OBi Calling Yes
Phone Port(s) 1 1 2 1
Line Port VoIP Gateway 0 0 0 1
VoIP Services Supported 2 4 4 2
2-Port Internet Routerwith Voice Packet Prioritization No No Yes No
USB 2.0 Portfor OBiWiFi and OBiBT and OBiLINE No Yes Yes No
T.38 Fax No Yes Yes No
Power Adapter 100 ~ 240 Volt Switching Power Adapter
Warranty 1-Year Limited Hardware
The OBi200, OBi202, OBi100 & OBi110 All Have:
  • Phone Port(s): For connection to an analog cordless or corded phone(s) - The OBi202 has two phone ports.
  • The OBi Phone Port(s) Can Power All the Phones in Your Home
  • One Ethernet Port: For connection to an Internet router
  • The OBi202 has a second Ethernet port to connect to a PC or an Ethernet switch.
  • Support for Commercial VoIP services (OBi200 and OBi202 can support up to 4 VoIP Services)
  • Support for SIP
  • Support for OBiTALK free OBi-to-OBi Calling
  • Message Waiting Indication - Visual and Tone Based
  • Speed Dialing of 99 OBi Endpoints or Numbers
  • Three Way Conference Calling with Local Mixing
  • Hook Flash Event Signaling
  • Caller ID - Name & Number
  • Call Waiting
  • Call Forward - Unconditional
  • Call Forward on Busy
  • Call Forward on No Answer
  • Call Transfer
  • Anonymous Call
  • Block Anonymous Call
  • Do Not Disturb
  • Call Return
  • Repeat Dialing
  • OBiTALK Managed VoIP Network for OBi Endpoint Devices & Applications
  • High Quality Voice Encoding Using G.711, G.726, G.729 Algorithms (iLBC in OBi200, OBi202)
iPhone, iPad and iPod touch are trademarks of Apple Computer, Inc.
Android, Gmail and Google Voice are trademarks of Google, Inc.
Note: Some listed features are not available from every service provider.

Learn more about the Obihai Technology, Inc. OBi202






IEEE 802.3
Local Access Interface: IVR Password

Remote Access Interface: User Name & Password Access via HTTP, TFTP - HTTPS

Device Web Page Standard: HTTP v1.1, XMLv1.0

Secure Remote Provisioning: TFTP, HTTP, HTTPS
1 x 10/100BaseT WAN
1 x 10/100BaseT LAN
2 x RJ-11 FXS Analog Phone Port
1 x USB 2.0
5 - Power/Status, Ethernet Activity (WAN), Ethernet Activity (LAN), Phone 1, Phone 2
AC Input: 100 to 240 Volts 0.3A 50-60Hz (26-34 VA)
DC Output: +12V 1.0 Amp Max
4.1" x 4.5" x 1.2"
9 oz.
0ºC to 45ºC
10% to 90%, Non-Condensing
Width of Machine Word: 32 bit
Instruction Set: ARM

Ringer Specifications:
Ring Frequency: 14Hz - 68Hz
Ring Waveform: Trapezoidal, Sinusoidal
Ring Voltage: 55v - 85v

Maximum Ring Load: 5 REN (Ringer Equivalence Number)

FXS (PHONE Port) Configuration Settings:
Recursive Digit Map & Associated Outbound Call Routing
On-Hook Tip Ring Voltage: 30v - 52v
Off-Hook Current Max: 15mA - 45mA
Impedance: 12 Independent Settings
DTMF Playback Level: -90 dBm - 3dBm
Caller ID Method: Bellcore, ETSI (FSK or DTMF)
Caller ID Trigger (Before / After First Ring, Polarity Reversal)
Channel Tx Gain: -12dB to 6 dB at 1 dB Resolution
Channel Rx Gain: 12dB to 6 dB at 1 dB Resolution
Silence Detect Sensitivity
Hook Flash Time Max
Hook Flash Time Min
CPC Delay Time
CPC Duration
Idle Polarity
Connect Polarity

Mounting: Wall & Desktop Mountable


Package Contents
OBi202 Voice Service Bridge and Telephone Adapter
Power Adapter
1 x RJ-45 Ethernet Cable (80 inches / 203 centimeters)
Quick Start / Installation Guide
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year
  • Read full details

Customer Reviews of the Obihai Technology, Inc. OBi202

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  • PETR B.
  • 8/19/2015 9:26:11 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsWorks nice for a home phone . Expectations met.

Pros: I've got it to use for my home phone. Works nice. Simple enough to install for non experts and at the same time has a lot of options under hood for experts. I am very satisfied with it, no complains at all.
As since I am tired to pay super-over-priced fees to communication monster companies I set up VoIP line so this equipment handles all my home phone needs.

Cons: None

Did you find this review helpful? Yes No

  • Ernesto p.
  • 8/10/2015 9:29:22 AM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsexcellent deal

Pros: easy configuration,
work with google voice.
free phone service and free phone calls

Cons: none

Other Thoughts: excellent addition, no more magicJack.

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  • Patrick K.
  • 7/19/2015 3:11:57 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsSave a Bundle

Pros: Works flawlessly with Google Voice
Great sound
911 support (one time fee)

Cons: Slightly delay when picking up phone before dial tone starts

Other Thoughts: Really, the dial tone delay is my only complainant. I have used Vonage and MagicJack for years but nether provided anything more than this does and both charged an outrageous amount per month. I now have these installed in a couple of my retired relatives homes in order to cut out their phone bills.

Also, despite what people say in the Q&A section, Google Voice is fully 100% supported.

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  • Alexey B.
  • 7/10/2015 5:45:11 AM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsJust works

Pros: Helped me to finally dump my ancient VoIP that was working here and there, dropped their customer service and keep on jacking up the prices.
Took about 5 minutes to configure.

Cons: Appear to be a bit quiet, but I guess I can adjust a handset volume.

Other Thoughts: Used it to dump my Teleblend (ex Sunrocket). A way overdue act.
Used free service to port my Teleblend number and forward it to google voice.
Everything seems to work, but you got to keep in mind what is forwarded where.

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  • Ronald H.
  • 6/20/2015 1:42:50 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsQuality

Pros: Works out of box. Support multi lines and voice quality is excellent. Time to dump the land lone.

Cons: Google voice is not the best VoiP to use.

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  • Minglei W.
  • 6/10/2015 9:39:09 PM
  • Tech Level: Somewhat High
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsGood VOIP box.

Pros: Price is reasonable, I can have 4 SPs, very stable, user interface is friendly, have two phone line port. I'm happy.

Cons: nothing

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  • Scott L.
  • 5/30/2015 8:29:34 AM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsExcellent home telephony box

Pros: Small
Very simple to set up
Supports Google Voice as well as other SIP providers
Up to 4 lines (providers) and 2 phones

Cons: Documentation can be hard to find
Support via forums can be hit or miss
Documentation for advanced features non-existant

Other Thoughts: Forget junk phone service from your broadband provider, get cheap and easy service from Google Voice or any of the very many SIP providers out there in the world. I've had a 200 for a year and recently added a 202 for the 2 phone line capability. Far easier to set up for home use than Asterix, self-contained in one little box, no further fees to pay if you use Google Voice. Highly recommended!

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  • Anonymous
  • 5/28/2015 4:42:17 AM
  • Tech Level: High
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggs

Pros: easy setup. good call quality. easily integrates with google voice. saves me tons of money by not having to pay monthly fees to the isp.

Cons: the one thing I did wish this had was a easy way in the setup to add a default area code so I don't have to 10 digit dial. apparently this is a google voice thing but the obitalk should be able to do it without going into the advanced settings and changing strings. im a r&s guy, i dont know anything about changing these strings. hopefully i can ask one of my voice guys and they can figure it out.

0 out of 1 people found this review helpful. Did you? Yes No

  • William K.
  • 5/24/2015 10:48:20 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year

5 out of 5 eggsSuper Programmable!

Pros: Supports so many ITSPs, supports Google voice, programmable "Star Codes" (VSC), built in IVR, Obihai supports direct unit-to-unit calls out of box with no ITSP needed. Flexible call routing, progammable dial plan, good management from Obihai website (also local management options), can bridge second Ethernet port. Frequently updated firmware.

Cons: Programming documentation could be better, but the online forums have a lot of good information.

Other Thoughts: I also bought the FXO module and found that it worked fine, and was handy during my transition from landline to ITSP. I tried both Anveo and PhonePower ITSPs (both offer great deals through Obi website) and hardware worked fine with both.

Did you find this review helpful? Yes No

  • Frank C.
  • 5/23/2015 6:48:28 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month

5 out of 5 eggsObi 200

Pros: Amazed on how well this works. Added a second office line using google voice. No additional costs. Great product.

Cons: A bit of a delay after configuring for changes to apply. I thought the product did not work or did not configure it correctly. Shortly there after everything worked like a charm...

Did you find this review helpful? Yes No

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Obihai Technology, Inc. > 
Item#: N82E16833617003
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