[AusNOG] wifi phone calls

[Matthew Moyle-Croft]

> On 16 Feb 2015, at 3:20 pm, Ross Annetts <ross.annetts at digitalpacific.com.au> wrote:
> 
> LTE (4G) is already all IP and as already mentioned is better suited for long distances as it handles diffraction, reflection and refraction of signals better than all 802.11 technologies at the moment. The main benefit of using Wifi as a supplement to Mobile networking is due to the limited sprectrum and ever growing devices and needs of users for bandwidth.
> 

T-Mo in the USA does WIFI calling (http://www.t-mobile.com/offer/wifi-calling-wifi-extenders.html <http://www.t-mobile.com/offer/wifi-calling-wifi-extenders.html>)

T-Mo have some unfortunate higher frequency licenses in some areas in the USA - so they don’t get into buildings that well.  But if you’ve got decent WIFI coverage in your building/house then you’re able to get/make calls.

Also means if you’re in a remote area that has broadband through other means it works.

So,
- If you’re travelling overseas then you get zero cost call/sms to/from your phone.
- you can do wierd things like have a 4G hotspot from another provider purely for allowing your mobile to work in remote areas.  

MMC


> Regards,
> Ross
> 
> 
> On 17/02/2015 10:08 am, Scott Wilson wrote:
>> Telstra are trialling voice over LTE with their "4GX" (700mhz LTE-A) product.
>> 
>> On 17 February 2015 at 09:06, Scott Howard <scott at doc.net.au <mailto:scott at doc.net.au>> wrote:
>> Mobile networks have ranges measured in up to (10's of) kilometres.  Wifi networks have ranges measured in hundreds of metres - presuming these's nothing too solid to block them.
>> 
>> Providers like Republic Wifi work well simply because the majority of the time most people are around good wifi signals, but they still need to fill the holes of coverage - which basically starts the moment you walk out of the front door.  I have multiple friends that use Republic and couldn't be happier - they generally say that the quality isn't quite as good as standard mobile, but for the price they are happy.  (FreedomPop is a different story, and not a company I'd recommend going near)
>> 
>> However as far as "VOIP" for mobile call, that's happening.  In the US, Verizon has been doing Voice-over-LTE (VoLTE) for some time, and others will likely follow.  For Verizon this is a big win as it allows devices on their CDMA network to handle "voice" and data simultaneously (as it's all data) - something they haven't been able to do before now.  The LTE spec fully supports voice-over-data, and it's expected all carriers will move to it eventually.
>> 
>>  Scott
>> 
>> 
>> 
>> On Mon, Feb 16, 2015 at 2:45 PM, Alex Samad - Yieldbroker <Alex.Samad at yieldbroker.com <mailto:Alex.Samad at yieldbroker.com>> wrote:
>> Hi
>> 
>> So I saw this whilst I was reading Slashdot.
>> 
>> http://mobile.slashdot.org/story/15/02/16/1627240/cellphone-start-ups-handle-calls-with-wi-fi <http://mobile.slashdot.org/story/15/02/16/1627240/cellphone-start-ups-handle-calls-with-wi-fi>
>> 
>> 
>> This got me thinking, if you took money out of the equation and politics (sic).  Would it be better for use to have a completely wifi wireless network, get rid of the mix of technology and just have devices that do some sort of VOIP.  I am presuming running an IP network is better than a GSM/3g/4g.
>> 
>> How much better would that be ?
>> 
>> A
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> 
> -- 
> Regards,
> Ross Annetts
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