Have you tried this? http://tinyurl.com/luwroy 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 > > 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 > > --------------------------------------------------- > 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