FREE Calling with Your Home Phone

Use your existing home phone and your broadband router to make and receive calls over the Internet for free (or at a very low-cost).


Why You Will Love the OBi

  • Save Money
    Use FREE and low-cost VoIP services to lower your phone bills… Maybe to NOTHING!
  • Pay Only for the Device — It’s Not Locked to a Service!
    You can 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.

  • OBi100 Set-Up

    OBi100 Set-Up

    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™, Callcentric or 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.

    OBi100 Connections

    OBi100 Connections


    1. Broadband Internet Connection
    2. Internet Router with Available Ethernet Port
    3. Analog/Digital Corded or Cordless Phone
    4. VoIP Service Provider Account Username & Password (Optional)
       &nbspExamples of Service Providers:
         &nbspGoogle Voice™
         &nbspplus Many More…!


    • FREE Calls* to US & Canada Using Google Voice™
    • Unlocked — Use with Any VoIP Service Provider
    • Get the Lowest Cost International Calls with Service Providers of Your Choice
    • Premium Features — Voice Mail, 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
    • Fantastic Call Quality
    • Use FREE OBiON iPhone™ & Android™ Apps from Your Smart Phone
    • Easy Set-Up

      1. Connect the OBi to Your Internet Router
      2. Connect Your Home Phone to the OBi
      3. Sign-on to
      4. Add Google Voice™ or Any Other VoIP Service Provider to your OBi Device (Optional)


      Additional Benefits

    • 1-Year Limited Hardware Warranty
    • Live Technical Support via…
        &nbsp- Email
        &nbsp- OBiTALK Community Forum
        &nbsp- Phone
    • Free Software Updates & Enhancements
    • OBi100

      OBi100 VoIP Phone Adapter


      Google Voice™ Derived Features:
      – One Number for All Your Calls / Phone Devices
      – Call Forwarding
      – Call Blocking
      – Call History
      – Call Billing – Detailed History
      – Do Not Disturb
      – International Calling
      – Ability to Ring Multiple Phones on Incoming Calls
      – Voice Mail (Voice Mail Acts Like Email)
      – Voice Mail Speech to Text
      – Voice Mail Alerts via Email, Text-message, Indicator on Phone
      – Custom Voice Mail Greetings
      – Send and Receive Text Messages
      – Use the Google Voice™ Web Portal to See, Listen to and manage voicemail
      – Call Recording
      – Multi-party Conference Calling

      OBi 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
      – Caller ID – Number
      – Caller ID – Name (Not Available with GV)
      – 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/or Google Voice™ & 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?

      Obihai have two telephone adapters, currently – The OBi100 and the OBi110. The two products function the same except for one feature. The OBi110 has a physical port for an analog line service. This port, labeled LINE on the OBi110, can be thought of as a gateway to a traditional phone service. The service can be from a land line carrier. It can also be from a VoIP service, when the phone port of the service provider’s device is plugged into the LINE port of the OBi110. This gateway functionality is useful for a number of reasons.


      OBi110 LINE Port:
      – Allows you to keep your current land line service yet take advantage of the OBi device’s VoIP services.
      – Provides for an emergency calling services route when connected to a service supporting the same.
      – Acts as a gateway and bridge to the PSTN for calls originating on a VoIP service from a remote OBi device or soft phone.

      The OBi110 & OBi100 Both Have:
      – One Phone Port: For connection to an analog cordless or corded phone
      – The OBi Phone Port Can Power All the Phones in Your Home
      – One Ethernet Port: For connection to an Internet router
      – Support for up to 2 Commercial VoIP services
      – Support for SIP
      – Support for Google Voice™
      – Support for OBiTALK
      – 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

      Obihai Technology

      * Google previously announced that calls inside the USA and Canada to the USA and Canada will be free through 2012.
      Calls to the USA and Canada from other countries are 1 cent per minute.
      Google Voice cannot be used to place or receive emergency services calls.
      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.

      Product Features

      • Works with Google Voice for FREE calls to the USA and Canada through the end of 2012 – Great international rates too!
      • VoIP Telephone Adapter (ATA) Supports: GV and SIP Services; Callcentric, Sipgate, Vitelity,, etc.
      • Make free calls on the OBiTALK Network – Connect to other OBi Devices or use the free OBiON for iPhone application or OBiAPP for your PC.
      • OBi Calling Features: Caller ID, Call Forward, Anonymous Caller Blocking, Message Waiting Indication, Three Way Conference Calling
      • OBiTALK Portal Features: Manage Your OBi, Connect to Your Friends’ OBi Devices, Add Services, Download Apps for PC, Speed Dial Up to 99 OBi Endpoints or Phone Numbers

MatRixWon says:

Google Voice + Obi100 = No More Phone Bills!!! By installing the obi 100 and the Vtech Dect 6.0 I officially do not need phone service. This thing gives you the exact same service that most cable companies are selling in a bundle with cable and internet. Problem with the cable comapny is that after the promotion runs out each service is about 60 dollars a piece. The price jumps from 99.00 introductory 12 month rate to a whopping full circle at 180 bucks a month. I asked and asked buy my cable company refused to put me back on promotion. So, I ended up doing some research on how I could get a low cost preferably free phone service that did not require having a computer on always like Majic Jack.I ended up narrowing my search down to 2 choices 1 I could go with Ooma, or 2 there was the Obi. Both of these phone solutions use Voip which is just an acronym for voice over the internet literally. Ooma has a high installation cost, but if you are not very tech savvy and familiar with the internet this is probably the best choice for you. Installation of Ooma is very easy as I understand it. Its practically plug in and start calling. However the drawback as I mentioned is the 2-300.00 dollar equipment fee, and the 3 dollars a month they charge for some type of taxes that make no sense to me. They are not the phone company, and how does everyone pay the exact same amount 3 dollars and some change.Anyway I found out about the Obi110 and saw its capabilities, and I was impressed. It met all of my criteria. Low cost equipment; the obi100 was about 40 dollars and the phone was about 15 so all together I spent just over 50 dollars. Set up can be intimidating to a novice, but it is do able. It should take a novice about 10 minutes if they follow the video. As long as you follow the steps for configuring the Obi with google voice on the ObiHai website you can enjoy a free phone service that runs through your high speed internet modem. Google voice integration is perfect.I have used the exact same phone that I bought at other peoples house and I always hear this loud static in the background, and I struggle to hear the person on the other end. I chalk it up to the analog phone combined with the latency of the cordless phone. However, when I heard the clarity that Voip provided via the Obi100 and Google voice I was blown away. No monthly fees, no high equipment fees and fairly easy installation the Obi and Google voice are a no brainier. You can even get a local number or port your cell phone or some other number to Google voice.If you want to ditch your phone bill and need a replacement solution that does not depend on a computer. This should be your first choice. Only draw back is that there is no emergency calls and 911 can’t find your location. I highly recommend, and if you read this entire review I am sorry for the length, but I tried to give a thorough review. Thanks.

ruel says:

Updated: OBi100 & SOLUTION for non-ringing Google Voice incoming calls (Edited April 28, 2011)The OBi100 is a FANTASTIC device. FIVE STARS FOR THE HARDWARE DEVICE ITSELF. The OBi100 is really small. And it’s easy to hook up. There really isn’t too much to say about the hardware itself except to say it’s too easy to hook up. The OBi100 is designed to work with the various VoIP services that are out there. And, in particular, the OBi100 is “suppose” to work with Google Voice. Many people should have no problem getting the OBi100 to work with Google Voice (GV). Set up your GV account, log into Google Chat in GMAIL, and make at least one outgoing call from GMAIL. Then do the setup for the OBi100. The online OBiTalk setup for the OBi100 is relatively easy to follow. And then it should all work for both incoming GV calls and outgoing GV calls. The typical incoming GV call process could be illustrated as follows:Incoming Call||VGoogle Voice Number||VOBi100||VPhoneBut for some people, like myself, there could be a problem — in particular, getting the phone connected to the OBi100 to ring on each and every incoming Google Voice call. Note that OUTGOING calls via Google Voice using the OBi100-connected phone were not a problem. The problem was getting the OBi100-connected phone to ring on each and every *INCOMING* Google Voice call. In other words, some incoming GV calls would ring but most other incoming GV calls would not ring. And this was with numerous repeated calls from the same phones calling into the GV number. It’s was like: ring, not ring. If you don’t encounter this problem, then consider yourself to be lucky and blessed.I originally wanted to have my Google Voice to forward calls to my iPhone and also to the phone connected to my OBi100. However, initially, using the default OBi100 setup for Google Voice, the phone connected to the OBi100 may ring or may not ring — although my iPhone would certainly ring. It was like hit-or-miss if the OBi100-connected phone would ring on an incoming GV call. I’ve tried directly hooking up the OBi100 to several different phones, which I know all ring when we last had AT&T service in our home, but the hit-or-miss ringing still occurred. This hit-or-miss ringing (or non-ringing) also happened with Google Chat which handles the calls in GMAIL. The OBi100 has a built-in google-chat function which is “suppose” to allow the Obi device to handle GV calls. It is “suppose” to work and should for most people. But it did not work for me.As far as I can guess, there was probably some sort of issue with how Google Voice works with Google Chat. So, that was really more of a Google Voice problem and not completely the fault of this Obi device. If you do a search in the Google Voice discussion forum, and do a search for something like “not ring” or “not ringing”, then you can see that a bunch of people are having problems with GV not ringing forwarded incoming calls on home phones, work phones, and in Gmail. Incoming GV calls forwarded to a cell phone seems to be more successful in getting the cell phone to ring. The frequent non-ringing of incoming calls in Gmail and the OBi100 appears to be with how Google Voice works with Google Chat to take incoming calls. The “Google Chat” capability should theoretically make the OBi100 ring on incoming GV calls. However, it did not work for me where GV is dependent on forwarding incoming calls to Google Chat and therefore to the built-in google-chat function in the OBi100.TELEPHONE NOT RING FOR INCOMING GOOGLE VOICE CALLS???POSSIBLE SOLUTION: USE A SIP TO HANDLE INCOMING GV CALLS—————————————————————————If you look in the Google Voice settings under Phones, you will see where you can select which phones GV forwards incoming calls to. The first phone is Google Chat. And the box for that may be checked as a default. This allows you to take incoming GV calls while in GMAIL if you are logged into Google Chat in GMAIL. And the OBi100 used a google-chat function to handle Google Voice calls. But it wasn’t working for me because the phone was NOT ringing. So what to do to fix this? One option is to simply wait for Google to fix this issue. I really don’t hold out any hope for Google fixing this issue anytime soon.My solution is to take the google-chat function out of the equation for *INCOMING* calls and instead use something else to handle the incoming calls on the OBi100. That meant I had to use a SIP service. SIP stands for Session Initiation Protocol which is a standard used for Voice over IP (VoIP). You can look that up if you want more of a technical explanation. But from a practical standpoint that meant I had to look for a free or cheap SIP service that I could use.What I got was a free account at SIPGATE dot com where I then set up SIPGATE as Service Provider 2 (SP2) in the…

K. Krueger says:

Great for those with limited-minutes mobile plans. Has great support. (updated 3 May 2012) Background/usage:Approximately 2 months ago, I finally made the jump to buy both my wife and I smart phones. The price for the devices themselves has never really been an issue, but I could never justify such pricey monthly subscriptions. $80+/month? Each?? No way!! When I heard that Virgin Mobile had the LG Optimus with unlimited data/text available for just $25/month, the barrier had been broken. I could have one for myself and another for my wife, and we would actually be cutting our monthly cost. Buttt…300 minutes only? Ouch. Not really an issue for me, as I’m not a big talker…but the wife can go through 300 minutes in a week, never mind a month. What to do?Enter the Obi100.Using Google Voice and the Obi100, we’re able to use a single number that rings our home phone and her cellphone. When she’s home, she picks up the home phone. Using the home phone doesn’t use any of her plan’s minutes. When she out of the house, she uses the cellphone. As a stay at home mom, she’s typically at home to use the obi-connected phone…so she has not come anywhere close to her 300 minutes (so far). So…that is why this was a great investment for us.Setup:Setting the Obi up can be a bit of a headscratcher. The documentation included is a bit on the nebulous side. I’m fairly competent on home electronics and networking, so my first instinct was to log directly into the Obi and try to set it up. So I pulled the IP of the obi using the connected phone (picking up the phone and dialing ***1 get the IP) and logged in. Wrong move. As far as I can tell, most installs shouldn’t even require you to log directly into the obi. All of the setup can(should?)be done through the “obitalk” website. Once I realized this, the setup went smoothly.Problems:2 months went by without any real problems. There were a couple of call drops…but I can’t say it was attributed to the obi itself.Then one day upon my return home from work, my wife told me that the “house phone” wasn’t working. I immediately began troubleshooting. Eventually I was able to realize that the obi wasn’t pulling a IP via DHCP from my router. The Obi had no IP address. Many various resets of the obi/router later…still no luck. So, I tried a static IP address. Still nada. My obi was hosed, unfortunately. So, I emailed Obi Support on a Friday night. They emailed me back on Saturday morning and eventually called me directly to take me through some trouble-shooting steps. Still nothing. After consulting with their engineering department, they decided to mail me a replacement, which arrived on Monday afternoon (quick!). The replacement was up and running within minutes.Bottom line:I’m a happy customer. The Obi is impressive technology at a great price, with great potential as a money-saver provided you integrate it into your overall communications plan. It can be more than a house-phone landline replacement. It can also supplement your cellphone-plan in certain situations. If you can cut your landline phone altogether, AND reduce your cellphone plan to a cheaper plan by utilizing Google Voice’s call-forwarding abilities and an Obi…this device will pay for itself many times over in a short period of time.*****update: 3 May 2012*****It’s been quite some time since my original review…so I figure it’s time for an update. The replacement Obi100 I received from Obihai has performed flawlessly, with no dropped calls and no missed calls that weren’t caused by internet outages. Obi has come out with several software updates during this timeframe. Software updates are downloaded/installed by picking up the phone and dialing “***6”. If there is an update, the automated voice says so…and then you simply hang up the phone to have the Obi download/install the firmware and then restart itself. It takes only a minute or two, and I have never had any problems during the process.Also since my original review, and perhaps more notably, I moved to a new state and purchased a new home out in a rather rural area. The only internet service I could get was DSL with a max download speed of 6 megs/sec…and an upload of 768k. Painfully slow by my standards. I was actually concerned about what effect it would have on my Obi. But, get this…it seems to actually perform BETTER than it did on my ~20meg Cable Modem at my previous house.Don’t overestimate the bandwidth this thing requires. The Obi (VOIP in general?) seems more reliant on low-latency connections (low “ping” times) as opposed to overall throughput. My DSL now pings at ~50ms, where my old Cable Modem connection was ~200ms. There is noticably less latency in the voice as a result. That being said, if you have a router that supports QoS, and have the skills to use it, it would certainly be a good idea to prioritize the Obi’s traffic to reduce the effects of network congestion on it.Still,…

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