YAUD (Yet Another Update)....please see below. On Fri, Jan 28, 2011 at 2:19 PM, Mark Phillips wrote: > Please see updates below.... > > On Fri, Jan 28, 2011 at 12:46 PM, Mark Phillips < > mark@phillipsmarketing.biz> wrote: > >> Thanks to everyone for their help on this problem. After replacing my >> phone, learning some of wireshark's features (way cool stuff), I have been >> able to get wifi calling working from my office network. I have to change >> some settings in both my wireless access point and my router.....I need some >> feedback if these changes are opening my network up for problems. >> >> To recap, my network has a Motorola cable modem connected to a Linksys >> BEFSX-41 router, and then I have a Linksys WRT54G Wireless router configured >> as a WiFi access point. Lots of switches to connect the LAN to various >> computers. >> >> 1. On the WRT54G access point, I had to disable MAC filtering. I had it >> setup as only permitting certain devices based on MAC address. When enabled, >> I can't connect to the T-Mobile network for WiFi calls. >> >> 2. On the BEFSX-41 router I had to disable the 'firewall protection, which >> means I have disabled SPI. If this is enabled, then my phone can't connect >> to T-Mobile for WiFi calls. I still have these setting enabled: >> Block Anonymous Internet Requests >> Filter Multicast >> Filter IDENT (Port 113) >> > > The BEFSX-41 has a DMZ option for port 4, so I connected that port > directly to the WRT54G, turned on firewall protection, and I can now make > wifi calls from a somewhat more secure network. Still can not have MAC > address filtering on the wireless side, but I think that is probably OK. > Well, I spoke too soon. With the WRT54G connected to the DMZ port, I can turn on MAC address filtering and still make WiFi calls. So, I am back to where I started with network security..just had to swap 2 wires in the closet to make WiFi calls..... Cheers! Mark > > Am I missing anything? > > Mark > >> >> I don't think #1 is a big issue, but #2 scares me. If either one is a >> major security problem, can you suggest any way I can isolate the phone in >> someway to shore up the security for the rest of the network. >> >> Thanks! >> >> Mark >> >> >> On Sat, Jan 22, 2011 at 8:13 PM, Joseph Sinclair < >> plug-discussion@stcaz.net> wrote: >> >>> Something like Wireshark (or other similar tool) on the local network >>> might help you diagnose the root of the problem you have with T-Mobile WiFi >>> calling at home. >>> You'll be "drinking from the firehose" when you monitor the detail >>> traffic for your network, but if you can filter down to just the packets >>> to/from your phone you may be able to see what kind of network issues it's >>> having and figure out how to make it work more reliably. >>> >>> Mark Phillips 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 >> >wrote: >>> > >>> >> Hi Mark and Jordan, >>> >> >>> >> On Sat, Jan 22, 2011 at 9:33 AM, Jordan Aberle < >>> jordan.aberle@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 , 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 >>> >>> 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 >>> >> >>> >> >>> >> --------------------------------------------------- >>> >> PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us >>> >> To subscribe, unsubscribe, or to change your mail settings: >>> >> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss >>> >> >>> > >>> > >>> > >>> ------------------------------------------------------------------------ >>> > >>> > --------------------------------------------------- >>> > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us >>> > To subscribe, unsubscribe, or to change your mail settings: >>> > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss >>> --------------------------------------------------- >>> PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us >>> To subscribe, unsubscribe, or to change your mail settings: >>> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss >>> >> >> >