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Connecting to a Cisco Router: Console Port, DB-9 to RollOver, USB to RS-232 9-pin Serial Adapter.

OBi202 VoIP Phone Adapter with Router, 2-Phone Ports, T.38 Fax – Supports: Google Voice & SIP (Unlocked)


OBi202 VoIP Phone Adapter with Router, 2-Phone Ports, T.38 Fax - Supports: Google Voice & SIP (Unlocked)


The OBi202 is perfect for customers who do not have a traditional Telco phone service and want the savings and simplicity of using a VoIP service for all their calls. With its support for 2 independently configurable phone ports, support for Google Voice and many other VoIP providers, the OBi202 provides you with an abundance of control and convenience from the comfort of your home phone(s). The OBi202 is equipped with a 2-Port router/bridge with support for integrated quality of service (QoS). The OBi202 may be installed in a variety of environments where an extra Ethernet port is needed to connect a computer/network behind the OBi202 and/or locations where upstream voice traffic needs to be prioritized above other types of traffic like web surfing and uploading pictures and movies.

  • Works with Google Voice for FREE calls to the USA and Canada – Great international rates too!
  • Works with Up to Four (4) VoIP Services: Google Voice and Other VoIP Service Support (SIP).
  • Collaborative features which allow its phone ports to work together as a mini-phone system.
  • High Quality Voice over IP Technology
  • Built-In Router with QoS for VoIP Traffic Prioritization,only the OBiWiFi Wireless Adapter may be used with the OBi202

We have searched the web to find the best prices available. Click Here to find out where to get the best deal on OBi202 VoIP Phone Adapter with Router, 2-Phone Ports, T.38 Fax – Supports: Google Voice & SIP (Unlocked)

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Question by frnk8 m: How do you get a serial interface and line protocol to be up on a cisco router?
I have two cisco routers connected with serial cables and they are being configured with a console cable. I set the ip address of both routers 192.168.1.1 255.255.255.0 192.168.2.1 255.255.255.0 and then run a no shut. I exit to exec mode and run a show interface and all I get is Serial is up, line protocol is down. How do I get the line protocol to also be up?

Best answer:

Answer by tast_the_wine
Your IP address are in a different address range. The address you need are:

192.168.1.1 255.255.255.0 and on the other is, 192.168.1.2 255.255.255.0
That makes 256 – 2 = 254 hosts in this range.

Remember a class A is net.host.host.host
class B is net.net.host.host
class C is net.net.net.host

Add your own answer in the comments!

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What customers say about Connecting to a Cisco Router: Console Port, DB-9 to RollOver, USB to RS-232 9-pin Serial Adapter?

  1. 77 of 79 people found the following review helpful
    5.0 out of 5 stars
    The best investment in VOIP. Also – no more electronic noise with new firmwares, May 1, 2012
    By 

    Amazon Verified Purchase(What’s this?)
    This review is from: OBi202 VoIP Phone Adapter with Router, 2-Phone Ports, T.38 Fax – Supports: Google Voice & SIP (Unlocked) (Electronics)

    I had an OBi110 and soon after buying that I heard that OBi202 is going to be released, so I passed on the OBi110 to a friend.

    This does the job as beautifully as OBI110 did, with great feature of two lines on one little amazing gizmo that OBi202 is. Everything was setup within 5 minutes and it’s been great for the short 2 weeks I have had it.

    Only small hitch I have had is that it produces this little electronic noise which I am told is from the conductors inside, perhaps if I move it away from me (it’ at 2 feet right now) it will improve.. It’s not too bad but it’s there, comes and goes.

    Have not tried fax yet, but love the clean little gizmo that this is.

    Edit: Actually the noise is becoming annoying. I still haven’t gotten rid of my VOIP.. Will call OBI tomorrow again, and might return if they say this is expected. OBI110 never had this

    Edit2: I just hooked up 2nd GV line to Obi202. It did not take the 2nd line easily, i.e., although I added all of GV infor just like the 1st GV line Obi202 somehow did not connect 2nd GV account. I called the Support and the folks there were extremely friendly, called me back in 15 minutes and told me they fixed the setup at their end on my ObiTalk setup page. It’s been working like a champ since then. I am changing my rating to a 4 Star now as the slight noise is still slightly unacceptable.

    BTW, I also transferred my VOIP line to T-Mo and then to GV, I would say it was well worth the $20 + .99 cents I spent on the whole transfer process :)

    Edit3: I am coming back to make it a 5 star review. Afetr moving my obi device behind my monitor somewhere with other ‘stuff’ like KVM, USB hub etc etc.. I do not hear the noise any more at all. Maybe it was the angle where the obi202 was placed before that caused the pitch the way it was coming. Wife agrees too that there is no noise anymore.

    And both mine and my wife’s GV numbers on this one little device are going great. There is a very ocacsional lag but I believe that is because our broadband (though 35mbps) gets overloaded every now and then with the Google TVs, and laptop, tablet and what not runing all the time :)

    Edit4: I had to come back and change the subjct line, there is no more electronic noise with the new firmware.

    Highly recommended !!

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  2. 36 of 38 people found the following review helpful
    5.0 out of 5 stars
    simply amazing!, April 25, 2012
    By 
    Mr. T

    Amazon Verified Purchase(What’s this?)
    This review is from: OBi202 VoIP Phone Adapter with Router, 2-Phone Ports, T.38 Fax – Supports: Google Voice & SIP (Unlocked) (Electronics)

    I was looking at the previous version (Obi110) but decided to go with this newer one. But if you want to save money, go with Obi110. It should work as great.
    It is the same thing except this one can handle up to 2 phones and it has a better design.

    Okay, if you are familiar w/ Google Voice, it will take you less then 5 minutes to set it up.
    Super easy and straight forward. I had it set up in 5 minutes and my home phone is working like a charm :)
    Now I hooked 2 GoogleVoice numbers on this thing. You have the option to add up to 4 numbers for incoming call (with only one phone!!) and up to 2 numbers for the outgoing call (by using 2 phones, one phone for each outgoing number).

    Now I save $40 every month with this baby.
    The sound quality is great! Call in, call out w/ no problem. Of course, you need the working internet for this to work properly.

    Couldn’t be happier with this purchase. ^_^

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  3. 30 of 31 people found the following review helpful
    5.0 out of 5 stars
    Fantastic Concept. Fantastic Implemention, October 15, 2012
    By 
    DigDug (Somewhere Here) –

    Amazon Verified Purchase(What’s this?)
    This review is from: OBi202 VoIP Phone Adapter with Router, 2-Phone Ports, T.38 Fax – Supports: Google Voice & SIP (Unlocked) (Electronics)

    While there are several Voice-over-IP (VoIP) devices on the market, Obihai’s offering stands out from the rest because of its nifty use of Google’s GTalk protocol to make completely free outgoing calls. But rather than rehash all of the great qualities of this device, I thought to provide a little background on how exactly the Obi works since calling the mechanism as one using “Google Voice” doesn’t describe the whole picture.

    Google’s telecommunication offerings actually consist of two products – (1) Google Voice and (2) the calling feature in Gmail which doesn’t really have a specifically branded name, but which I’ll call “GTalk” as the calling feature is part of the GChat functionality in Gmail. Google Voice is actually a rebranding of GrandCentral’s call-forwarding service that Google acquired some years ago with its acquisition of GrandCentral. It is not a Voice-over-IP protocol, but rather a call-forwarding service that allows you to use one “front-facing” phone number to which you can attach a limitless amount of other phone numbers (and services) which will ring whenever someone dials that “front-facing” number. GTalk, on the other hand, is a true VoIP protocol which Google obtained through its acquisition of Gizmo5, a small VoIP company. When you use GTalk to make calls, you are in fact making a telephone call through the internet.

    The magic lies in the marriage of these two services and is what Obi takes advantage of. Google ties one’s Google Voice number to the GTalk service in Gmail so that all outgoing calls carry that number and all incoming calls to that number are routed properly. The Obi essentially logs in to the gmail account you’ve associated with the device and monitors the Gtalk service for any incoming calls as well as places calls when you dial a number on your handset.

    Therefore, my feeling is that even if Google Voice no longer stays free, I doubt there will be any effect on the Obi’s utility, as the GTalk service within Gmail will almost certainly stay free for the near future – it is in direct competition with Skype which is being baked in to Windows 8 and into Microsoft’s Outlook.com e-mail platform.

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  4. The previous answer is correct, but is not enough to cause the problem that you’re seeing. More likely, there is a physical layer problem between the two interfaces. “debug serial” may well give you the help that you’re looking for.

  5. Make sure that one side of the cable is DTE while the other side is DCE.

    Add the following command to the serial interface of both routers: ‘encapsulation ppp’

    Next, configure the clock speed on the router connected to the DCE end of the cable. ‘clock rate 64000’ Note that the speed can be adjusted…


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