(OT) Need Some Expert Network Advice

Stephen cryptworks at gmail.com
Sat Jan 22 17:37:22 MST 2011


It loads as an app and you can have it intercept out bound calls and route
them via google voice.
On Jan 22, 2011 3:00 PM, "Mark Phillips" <mark at phillipsmarketing.biz> wrote:
> The Gizmo5 service is gone...Google acquired them in Thursday, November
12,
> 2009. It is being rolled into google voice; not yet released.
>
> I am trying to understand how google voice can help me make calls over
WiFi.
> I don't really want another phone number. Is that the only way to connect
my
> phone for WiFi calling? Is there no way to diagnose why my network setup
> won't allow WiFi calling from my phone?
>
> Thanks,
>
> Mark
>
> On Sat, Jan 22, 2011 at 9:44 AM, Lisa Kachold <lisakachold at obnosis.com
>wrote:
>
>> Hi Mark and Jordan,
>>
>> On Sat, Jan 22, 2011 at 9:33 AM, Jordan Aberle <jordan.aberle at gmail.com
>wrote:
>>
>>> Have you tried this?
>>>
>>> http://tinyurl.com/luwroy
>>>
>>
>> This is HOT!
>>
>> Excerpt:
>>
>> The one big thing Google Voice doesn't offer, besides automated
>> telemarketer taunting, is free voice-over-internet phone calling through
>> your cellphone. On an Android phone, however, you can use the Gizmo5
>> service <http://gizmo5.com/>, Google Voice, and a free application to
call
>> anyone for free.
>>
>> A free, open-source, and unofficial Android app, Guava<
http://gizmo5.com/guava.html?loc=guava>,
>> gives any Android phone the ability to make and take calls over Gizmo5's
>> VoIP service, connected through a Google Voice phone number. It works
over
>> Wi-Fi, 3G, or, for the daring, EDGE. You probably won't want to use Guava
as
>> your primary phone call manager, as the call quality varies with your
>> connection and really works best over Wi-Fi. That said, if you're running
up
>> against your minute allotment, or find yourself in a basement-like spot
with
>> decent Wi-Fi but really bad cell coverage, Guava is a great little tool
to
>> have at your disposal.
>>
>> It's also worth noting that, depending on who your carrier is, making a
>> VoIP call over an EDGE or 3G network may violate your contract's terms of
>> service. A little "hard" data use now and then likely won't be noticed,
but
>> if you plan on using Guava heavily with your cellular data plan, you
should
>> check and read into what's tolerated and what's not before embarking on
your
>> bold data-only adventure.
>> Mark, will you let us know how it goes?
>>
>>>
>>> On Sat, Jan 22, 2011 at 9:01 AM, Mark Phillips
>>> <mark at phillipsmarketing.biz> wrote:
>>> > This is not totally off topic.....Android is based on Linux....;-)
>>> >
>>> > I need some advice from an expert in networks to give me some advice
on
>>> > getting my phone to make WiFi calls....
>>> >
>>> > Anyway, I have a T-Mobile MyTouch 4g phone. It is supposed to be able
to
>>> > make calls over WiFi, which do not use an plan minutes...ie "free"
>>> calls. I
>>> > depend on this phone for my business, and I have a wireless network at
>>> the
>>> > office, so I don't have to pay for gillions of minutes. This worked
>>> great
>>> > when I had my Blackberrys - I could talk all day in the office and not
>>> use
>>> > any minutes. All of this is above board with T-Mobile - I actually pay
a
>>> low
>>> > monthly fee for unlimited WiFi calling.
>>> >
>>> > Anyway, much to my chagrin, I discovered yesterday that I had gone way
>>> over
>>> > my plan minutes. I checked with T-Mobile, and none of my calls had
gone
>>> over
>>> > WiFi. The agent refunded all the charges for the over-plan minutes and
>>> gave
>>> > me extra minutes to get through the rest of the month. She sent me to
>>> > technical support, and we could not get my phone to make calls over my
>>> WiFi
>>> > network. Even though the phone says I am connected to WiFi. So, I went
>>> to
>>> > the T-Mobile corporate store in Fashion Square, and the manager (she
has
>>> the
>>> > same phone) and I tried to connect to the mall WiFi, and we could
>>> connect to
>>> > the mall WiFi, but could not make WiFi calls. Same error - could not
>>> connect
>>> > to T-Mobile network. I then tried to make a WiFi call at Starbucks,
and
>>> it
>>> > worked! It also worked at Barnes and Noble after I agreed to the free
>>> > Internet terms and services (didn't work before then).
>>> >
>>> > I googled for issues with WiFi calls with this phone, and found a lot
of
>>> > them. Sometimes it works and sometimes it doesn't. The error message
>>> that
>>> > pops up says the phone cannot connect to the T-Mobile network.
T-Mobile
>>> is
>>> > aware of the issue, but does not have a fix or ETA for one.
>>> >
>>> > One posting had this to say about the WiFi calling.....
>>> >
>>> > The WiFi Calling app is Kineto's WiFi Calling app branded for
T-Mobile.
>>> The
>>> > WiFi Calling app is an implementation of 3GPP GAN, which allows
>>> something on
>>> > the Internet to get into a cellular network and do stuff (in this
case,
>>> make
>>> > and receive calls).If you care to pull up the most recent version of
the
>>> > spec, linked above, you'll find that "registering" (ie, logging into
>>> home
>>> > base) involves these steps (get a glass of warm milk and see 8.4.1.6)
>>> ...
>>> >
>>> > 1) Performing a DNS query to get the address of thing it's trying to
>>> connect
>>> > to (if necessary)
>>> >
>>> > 2) Setting up an IPSec tunnel to thing resolved in step 1 (called a
>>> SEGW)
>>> >
>>> > 3) Resolving and connecting to (using TCP over the tunnel setup in
step
>>> 2)
>>> > yet another thing called a GANC
>>> >
>>> > 4) Sending the GANC a "register request", which includes your phone's
>>> IMSI,
>>> > information about the cell you're currently connected to, or last
>>> connected
>>> > to if no longer connected, and other stuff
>>>
>>
>> This is a capacity and QoS issue on the other side. Get another app.
>>
>>
>>>
>>> > 5) Getting back a response that the GANC is happy with you and all is
>>> well
>>> >
>>> > I started to think that perhaps I have a router issue on my network. I
>>> have
>>> > a Linksys WRT54G wireless access point going through a BEFSX-41
Linksys
>>> > router to my cable modem. I checked the routers, and IPsec is enabled
>>> for
>>> > both. The WRT54G uses MAC filter to allow only certain devices to
>>> connect,
>>> > and WPA Personal, AES algorithm, and a shared key of 64 characters in
>>> it.
>>> > The WRT54G says I am connected to the phone when I enable WiFi on the
>>> phone.
>>> >
>>> > This is a long way to get to my question...thanks for staying with me.
>>> is
>>> > there a way to look at what the phone is doing when I try to enable
WiFi
>>> > calling to see where it fails? A wireless sniffer?? Does any of the
>>> above
>>> > give you network gurus an idea of what may be wrong and if it could be
>>> in
>>> > issue with my router?
>>> >
>>> > Thanks for any help you can provide....I would hate to go back to a
>>> > Blackberry as I really like Android now!
>>> >
>>> > Mark
>>>
>>
>>
>> --
>>
>> (503) 754-4452
>> (623) 688-3392
>>
>> http://www.obnosis.com
>>
>>
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