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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
  • 1 x 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, XML v1.0

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
Power, Device Status, Upgrade Progress Status, Ethernet Activity, PHONE Status
AC Input: 100 to 240 V, 0.3 A, 50-60 Hz
DC Output: +12 V, 1 A Max
1.20" x 4.10" x 4.50"
0.56 lb.
0ºC to 45ºC
10% to 90%, Non-Condensing
Width of Machine Word: 32 bit
Instruction Set: ARM

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

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: 30 V - 52 V
Off-Hook Current Max: 15 mA - 45 mA
Impedance: 12 Independent Settings
DTMF Playback Level: -90 dBm - 3 dBm
Caller ID Method: Bellcore, ETSI (FSK or DTMF)
Caller ID Trigger (Before / After First Ring, Polarity Reversal)
Channel Tx Gain: -12 dB to 6 dB at 1 dB Resolution
Channel Rx Gain: 12 dB 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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  • Anonymous
  • 4/24/2016 1:21:01 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsIt gets the job done

Pros: The product does what it says, it has many VoIP services available for a really good price & Google Voice works more than excellent for a free phone service, after setting up Google Voice with Obihai, I get great voice quality just like a landline, can setup my old school phone to work just like before but now its free. All my calls are now free & unlimited for any U.S. or Canada number (I just have to pay for internet only)

Cons: You have to be a bit tech savy to setup the product, and you need enough internet bandwidth for it to work 100% but you should be fine for the most part.

Other Thoughts: You can setup this device to make calls to and from anywhere in the planet for free, you just have to dial a U.S. or Canadian Phone number (usually by setting up Google Voice) or dial the 9 digit obihai number on the back of the device. Also, you might have to open some ports (port forwarding) in case if some things don't work right, this device is not plug n play so you will have to tinker with the settings a bit if you want it to work properly, and if you get an echo noise on your phone, you have to setup a "full duplex" on your Ethernet port (there's forums about on how to do it) to fix that. Good luck to all & trust me its a good buy to those who want to save money.

Did you find this review helpful? Yes No

  • Abdulweli F.
  • 4/2/2016 7:37:41 PM
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggsWorked few months and it is dead now

Pros: Great when it is working

Cons: Bad when it is dead

Other Thoughts: i won't recommend to anyone.

Did you find this review helpful? Yes No

  • Gerry R.
  • 2/17/2016 7:42:19 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsAwesome, very happy

Pros: Way better then magic jack, calls connect faster, no longer get that VIOP lag, google voice service rocks, and it is free. I just forwarded the us number to my old Canadian number and no one knows the difference.

Cons: t.38 not free provided on googles free service, but the box supports a code that allows fax over voip I just dial *4711 before the number and faxes work 99% of the time ( I only send 5-7 faxes a week) Note: I was unable to send a fax to one number that was probably viop as well on some 888 line, never could get it to work.

Other Thoughts: Got it on sale, thinking of buying another on next sale !

Did you find this review helpful? Yes No

  • Anonymous
  • 2/5/2016 1:46:34 AM
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsWorked flawlessly

Pros: Used two of these to setup a two line+fax business. Setup was so incredibly easy just be sure to disable call screening in your google voice account settings.

Cons: NONE..well...they could be cheaper. You MUST use their website to set up gvoice, but honestly, its easy.

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

  • Hung P.
  • 1/30/2016 6:58:31 PM
  • Ownership: 1 day to 1 week
  • Verified Owner

5 out of 5 eggsObihai OBI202

Pros: Easy setup take about 10 minuter and you good to go. Please read how to setup on the website OBI before you buy it.

Cons: NO

Did you find this review helpful? Yes No

  • John D.
  • 1/26/2016 5:03:24 PM

5 out of 5 eggsHave the original single line Obi200

Pros: Has worked with GV perfectly for over three years

Cons: Nothing!

Other Thoughts: Yes I would recommend it!

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

  • Anonymous
  • 1/25/2016 8:50:50 AM

5 out of 5 eggsIt Works

Pros: Pays for itself in no time. Clarity is better than Vonage that I had. Fax works without a hitch. Porting a phone number that you want to keep from another provider is a little time consuming and added cost. To do this, Obi's forum and other searches on the INTERNET will provide good guidance. As pointed out by others, 911 is not provided but your cell phone provider should have the service if you have one. Good support from Obi and Google Voice if needed.

Cons: NOTE: If you decide to go with Google Voice, set up an account before doing anything with the unit. Everything will go a lot smoother. Other providers are compatible this phone adapter.

Did you find this review helpful? Yes No

  • Yohann S.
  • 12/4/2015 7:29:59 AM
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsWorks great until it doesnt

Pros: Worked well for nearly two months.
Did everything I asked of it

Cons: Died after two months with both FXS ports failing to respond.
No way to get web interface back after factory reset without working phone ports.
Once the analog phone ports die the device is useless. No way to register or set it up with obitalk.

Other Thoughts: Wish the hardware was built better.

2 out of 3 people found this review helpful. Did you? Yes No

  • DAVID P.
  • 12/3/2015 2:50:24 PM
  • Ownership: less than 1 day
  • Verified Owner

4 out of 5 eggsMUST USE OBITALK!!!

Pros: -Easy Setup with Google Voice (or other SUPPORTED Provider)
-2 Lines can be configured with multiple Google Voice accounts or other SIP/VOIP providers.
-Google Voice calls to US and Canada are FREE!

Cons: -No Manual configuration with Google Voice!!!
-No 911 (There's e911 available for a small cost)
-No phone if the power or internet are down.
For Example: After Hurricane Ike, most analog/POTS lines were still live and functional, whereas internet and power were out for days, weeks, or months for some. They would be without phone service with an OBi (or ANY SIP/VOIP/XMPP phone service).

Other Thoughts: I've been using an OBi100 for almost a year and I love it! I set it up manually for Google Voice and it has worked beautifully. The OBi100 only has 1 line and doesn't support fax.
Voilà! the OBi202 was on sale here and it has *2* phone jacks and supports FAX!!!
The new configuration is more secure and uses OAuth2.0, which requires connection to the obitalk website. Minor inconvenience for those command and control or tinfoil hat types.
Get one when they go on sale at Newegg!
Save a fortune on your phone bill.

3 out of 3 people found this review helpful. Did you? Yes No

3 out of 5 eggsExtreme product confusion

Pros: I own 4 ObiHai devices. The one I use daily works well.

Cons: After hours of study, I still don't have a clear understanding of the differences between the models OBi100, Obi200, and Obi202.

0 out of 3 people found this review helpful. Did you? Yes No

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