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Obihai Technology, Inc. > 
Item#: N82E16833617001

Obihai OBI100 VoIP Telephone Adapter with SIP

  • Internet (WAN): 1 x 10/100BaseT Ethernet Port (802.3)
  • Phone (FXS): 1 x RJ-11 FXS Analog Phone Port
  • Accessories
  • Get Phone Service for Less than $3.33 per Month from an Approved Service
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Learn more about the Obihai Technology, Inc. OBI100






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
Internet (WAN): 1 x 10/100BaseT Ethernet Port (802.3)
Phone (FXS): 1 x RJ-11 FXS Analog Phone Port
Power On, Device Status, Upgrade in Progress Status, Packet RX/TX, Phone Port Status
Input Power: AC Input: 100 to 240 Volts, 0.3A, 50-60Hz (26-34 VA)
Output Power: DC: +12V, 1.0 Amp Max
2.6" x 3.5" x 0.9"
7 ounces
0 degree C to 45 degree C
10% to 90%, Non-Condensing
VoIP Telephone Adapter & Voice Services Bridge with SIP, Google Voice, OBiTALK & Telephone Interfaces

Chip Vendor: Obihai SoC
Width of Machine Word: 32 bit
Instruction Set: MIPS

Mounting: Desktop Mountable

FXS SLIC (Subscriber Line Integrated Circuit):

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 (FSK Bell202, FSK V.23, DTMF FI/SE/DK)
Caller ID Trigger (Before / After First Ring, Polarity Reversal)
Channel Tx Gain: -12dB - 12dB
Channel Rx Gain: -12dB - 12dB
Silence Detect Sensitivity
HookFlash Time Max
HookFlash Time Min
CPC Delay Time
CPC Duration
Idle Polarity
Connect Polarity

Data Networking:
MAC Address (IEEE 802.3)
UDP (RFC 768)
TCP (RFC 793)
IP version 4 (RFC 791) - Static IP and DHCP Support
ICMP (RFC 792)
ARP - Address Resolution Protocol
RTP (RFC 1889, 1890)
RTCP (RFC 1889)
DHCP Client (RFC 2131)
DiffServ (RFC 2475) - Independently Configured: Service, SIP & Media
ToS (RFC 791, 1349) - Independently Configured: Service, SIP & Media
VLAN Tagging (802.1p) - Independently Configured: Service, SIP & Media
SNTP (RFC 2030) - Primary & Secondary NTP Servers

*More information, Please see obihai website.


Robust Telephony Features:
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
Caller ID Spoofing
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

Powerful Call Routing & Voice Service Features:
SIP Support for Voice and Fax Over IP from Internet Telephony Service Providers
OBiTALK Managed VoIP Network for OBi Endpoint Devices & Applications
High Quality Voice Encoding Using G.711, G.726, G.729 Algorithms
Recursive Digit Maps & Associated Call Routing (Outbound, Inbound)


Package Contents
OBi100 Voice Service Bridge and Telephone Adapter
Power Adapter
1 x RJ-45 Ethernet Cable (80 inches / 203 centimeters)
Quick Start / Installation Guide

Quick Info


  • Limited Warranty period (parts): 1 year
  • Limited Warranty period (labor): 1 year

Customer Reviews of the Obihai Technology, Inc. OBI100

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  • Mr. L.
  • 8/18/2014 9:50:07 AM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

1 out of 5 eggsporting nightmare

Pros: It is simply.

Cons: voip companies "" and "future-nine" refuse to work together to get it done.

Other Thoughts: "" make you pay up front for e911 but is dropping the ball on this.

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

  • Jingkun Z.
  • 6/24/2014 2:46:41 PM
  • Tech Level: High
  • Ownership: 1 month to 1 year
  • Verified Owner

2 out of 5 eggs

Pros: It worked within 1 year.

Cons: It died after ONE year.

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

  • John S.
  • 6/7/2014 9:19:09 AM
  • Tech Level: Somewhat High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggs2 years and NO PHONE BILLS

Pros: Write down password use obi seems to be a real bear to give up your old one if you "misplace" it. Been over 2 years and have had NO Phone bills at all since then. Google Voice has worked flawlessly and you can even txt cell phones with it Also, with Voice you can choose to have calls and text voice called to connect you. Love calling back someone with no dialing.. but voice is ending and will have to get a OBI proved phone service soon. that is only $39,99 a year and that will not be to steep but worse than free,.

Cons: Google voice will not remain free. :-(

Other Thoughts: Really have not paid even 1 cent for phone service since I got this. How much have you paid? Add it up. X2+ years. Obi has been impressive over this time. Going to be real sad when Voice ends. Almost as sad that I will lose the texting ability when it ends. Google + Obi has saved me a pile of money with better service than any telco I have ever had!

Did you find this review helpful? Yes No

  • joseph w.
  • 5/11/2014 12:29:19 PM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

1 out of 5 eggsno more google voice

Pros: loved it but..all good thigs must end.

Cons: oogle Voice: Not Supported on OBi Devices After May 15, 2014

Back at the end of October, Obihai announced Google would end its support for the XMPP communication protocol. This announcement came on the heels of Google's announcement that as of May 15th, XMPP would no longer be supported for third-party VoIP applications. The Google Voice service uses XMPP to connect the OBi to the service. With that, after May 15th Obihai will no longer support the Google Voice service on its OBi devices. More Info

Well, that's a bummer. But wait, please keep reading!
Anveo and Phone Power Provide Phone Service for Under $40 per Year - Exclusive to OBiTALK Users Only!

You may or may not know it, but your OBi can be used with many Internet phone (VoIP) services. That's just one of the benefits of owning an OBi. A new service can be easily configured from the OBiTALK website and used on your OBi in seconds. Multiple offers are available - with some starting at under $3 per month. That's less than you pay for a latte from Starbucks!

Requires OBiTALK Sign-in
With service from Anveo or Phone Power on your OBi you will be able to:
– Make and Receive Calls Normally with Your OBi Device
– 911 Emergency Calling Included with the Service
– Continue to Use Your Google Voice Phone Number or Get a New Number More Info
– Port Your Number to the New Service More Info
– Free Premium Services Like: Telemarketer Blocking, 3-Way Calling, Call Waiting, Caller ID
– Amazingly Low International Calling Rates

Just sign-in to OBiTALK and select Approved Service Providers to see the fantastic offers from Anveo and Phone Power. Your OBi truly is the ultimate tool which allows full control of your phone service. More Info

Read more on TechCrunch:


Email not displaying correctly? View it in your browser

If you no longer want to receive OBiTALK emails, please click here to unsubscribe.
© 2014 Obihai Technology, Inc, 2105 South Bascom Ave, Campbell, CA 95008
Other company names and logos mentioned herein are the trademarks or service marks of their respective owners.
Note: The $3.00 per month service mentioned is billed annually at $34.99 from Phone Power.

Other Thoughts: read the email.

0 out of 6 people found this review helpful. Did you? Yes No

  • Jesus A.
  • 4/15/2014 6:19:28 AM
  • Tech Level: High
  • Ownership: more than 1 year
  • Verified Owner

5 out of 5 eggsExcellent for DOY VoIP

Pros: * Low cost
* Very good voice quality
* Not tied to a specific VoIP provider
* Remote web management at
* Supports two VoIP service providers
* Supports softphones

Cons: * White plastic shows some discoloring after a year. Black or dark gray plastic would last longer.

Other Thoughts: Used the Obi100 with Google Voice for over a year with excellent results. It is very reliable and voice quality is about as good as landlines (assuming a stable Internet connection).

Due to GV discontinuing XMPP in May, I switched to Callcentric and Localphone. Callcentric has free DIDs in NY with free incoming calls. Localphone has low rates for outgoing calls on a pay per call basis. The GV DID can be forwarded to Callcentric so yo don't have to change numbers.

Having two service providers gives you the flexibility of having one for incoming calls and one for outgoing calls. You could also receive calls from both providers, although with a single phone jack you can't answer both calls simultaneously.

Many VoIP providers support the Obihai adapters without a fixed monthly fee that are very economical for low outgoing call volumes. If you make a lot of outgoing calls, a yearly plan such as Vestalink or Anveo may be justifiable.

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

  • Anonymous
  • 2/28/2014 11:05:36 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsLow Cost Internet VOIP

Pros: inexpensive cost up front
low monthly cost (if you select the correct VOIP service)

Cons: Not exactly plug and play technology
Google Voice will not work after May 15, 2014

Other Thoughts: I have used Phone Power for several years. I purchased this device a few months ago and planned to switch over to Google Voice when my 2-year Phone Power contract ran out. However, Google Voice just announced that it will stop supporting OBi on May 15, 2014. Luckily, I just found a new VOIP provider, Vestalink a/k/a Intelafone, which works with OBi. While it's not free like Google Voice, the cost is only $30-$40 per YEAR, depending on the plan you select. This includes unlimited calls and E911, and there are NO taxes or fees or surcharges. Ooma, in contrast, costs $5.00 per month just in fees, taxes and surcharges. As a result, this device ends up providing phone service cheaper than Ooma, Phone Power or almost any other VOIP out there. Call clearity on the OBi is good. You can use an App on your smart phone to access the OBi voice mail. Also, you can use the App to make phone calls on your smart phone when you have WiFi access (if you want to preserve your wireless minutes).

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

  • Christian S.
  • 2/23/2014 5:01:40 PM
  • Tech Level: High
  • Ownership: more than 1 year

4 out of 5 eggsGoogle Voice compatible

Pros: I've been using this unit for over two years, thanks to the seamless integration with Google voice number (incoming and outgoing calls).
We've learned a few months ago that Google will drop XMPP support, protocol that Obi uses to connect GV to this device, so, ObiTalk will just become another VoIP SIP product...

Cons: Added value highly dependent on Google Voice integration, that's a con because google will drop the protocol that enables calls through Obi in May 2014.. So... unless there is a free workaround it's kinda useless for me.

Other Thoughts: Great device that knows how to integrate the best of VoIP: Provides it's own network so each device can communicate with other Obi Devices without setting any account, and compatibility with Google Voice and regular SIP providers.

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

  • Victor T.
  • 2/16/2014 7:37:36 PM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggs

Pros: non

Cons: Google Voice does not support anymore. Google gmail account does not support Google chat forwarding. Unless your account was set up to Google chat forwarding awhile ago (in 2013) . try to find and install Google Talk., it May help
to change Google Voice to Google chat forwarding option appears in your setting,.but that only my thought.

1 out of 5 people found this review helpful. Did you? Yes No

  • 2/11/2014 5:52:29 AM
  • Tech Level: Average
  • Ownership: 1 month to 1 year
  • Verified Owner

1 out of 5 eggsGreat when it works....

Pros: Greta product when it works ...

Cons: In my case, I must have gotten a LEMON! From day one, I have been having multiple problems. My unit gets hot and then it drops connection. Technical "support" and customer "service" are a joke!

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

  • Patrick V.
  • 1/16/2014 12:41:06 PM
  • Tech Level: Somewhat High
  • Ownership: 1 month to 1 year
  • Verified Owner

5 out of 5 eggsGreat product

Pros: Works great with Easy setup, excellent call quality.

Cons: None yet

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

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Home > 
Computer Hardware > 
Networking > 
VoIP > 
Obihai Technology, Inc. > 
Item#: N82E16833617001
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