This thread prompted me to take a look at my phone's Wi-Fi calling settings. (I have T-Mobile.) It also asked me for an E911 address.
This terrifies me. What are the chances that I will be calling 911 from home, as compared to some other random place where I might have Wi-Fi?... -- Hunter Fuller Network Engineer VBRH Annex B-1 +1 256 824 5331 Office of Information Technology The University of Alabama in Huntsville Systems and Infrastructure On Fri, Oct 16, 2015 at 2:50 PM, Smith, Todd <todd.sm...@camc.org> wrote: > Christopher, > > Those are some great answers and I apperciate the input! > > 1) Has the call drop percentage improved as the service is maturing? > 2) 65Kbps is much better then I was expecting, so that it good. Do you > notice many spikes in bandwidth as the call is in progress? > 3) Do you have a splash page or captive portal on your open wireless? > Does that interfere with AT&T Wi-Fi calling in your experience? > 4) I agree that E911 is going to be a serious issue. On AT&T Wi-Fi > calling FAQ, the user has to specify a location that they would normally be > using Wi-Fi Calling for E911 purposes. It is also going to try to get > location information from the Wi-Fi networks to locate the call, but it > will default back to stored location as a last result. > > Thanks > > Todd > > > > From: The EDUCAUSE Wireless Issues Constituent Group Listserv [ > WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Howard, Christopher [ > christopher-how...@utc.edu] > Sent: Friday, October 16, 2015 3:34 PM > To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU > Subject: Re: [WIRELESS-LAN] How to handle Wi-Fi Calling? > > > I'm honestly not surprised to hear that they are going to push wifi > calling and nothing else. They want to drop all cellular service other > than data, long term, in my opinion. > > > I have AT&T myself, and ran the iOS 9 beta from the beginning, which got > me early access to AT&T wifi calling. Needless to say, it has not been a > pleasant experience. Calls drop all the time. > > > For our wireless we have not had to do anything. Calls just work without > opening inbound ports (we don't limit much going outbound). My calls run > about 65kbps. > > > The pain point is something you've already mentioned - roaming. If at any > time you roam from wifi to cell and there is no VoLTE service in your area, > the call dies. We apparently don't have VoLTE in Chattanooga, TN. If I > stay in my office I can usually hold a call, and roaming from AP to AP is > sometimes ok. Sometimes the roam between APs is enough to drop the call. > I've also noticed that if I get more than 2 cell bars, the phone will want > to go off of wifi calling on its own. Even at home where I only have 1 AP > and can be sitting 15 feet from it, I'll drop calls because my phone > decided to roam back to cell during a live call. > > > To directly answer your questions: > 1. I don't plan on doing anything special. We have enough free bandwidth > to handle a large number of 65kbps calls. > 2. Mine have been 65kbps or there about. > 3. We run both frequencies, but my phone tends to stay 5ghz. I don't > think we would change anything to support wifi calling. > 4. I'm not sure how we will get this across other than to let our helpdesk > know what to tell people when they call in about it. We'll be looking into > this more I'm sure. > 5. I'm a little surprised that carriers are being allowed to run calls > over end user networks. 911 is a big deal, and if our wifi is up enough > that the phone can do wifi calling, but there are issues going on to > prevent calls, who gets blamed here? In an emergency, it's too much to > troubleshoot what's going on and figure out that you have to cut off your > wireless to get a call through. As far as I know, there's nothing we have > to do in terms of uptime or anything. > > -Christopher > > ====================================================================== > > CONFIDENTIALITY NOTICE: The information contained in this > message may > be privileged and confidential. If this e-mail contains protected > health information, you are hereby notified that any dissemination, > distribution or copying of this communication is strictly prohibited, > except as permitted by law. If you have received this communication in > error, please notify the sender immediately by replying to this message > and deleting it from your computer. Thank you. > > ********** > Participation and subscription information for this EDUCAUSE Constituent > Group discussion list can be found at http://www.educause.edu/groups/. > ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
