Polycom's "new" HD voice uses one of the G.722's.
---------- Mike Hammett Intelligent Computing Solutions http://www.ics-il.com ----- Original Message ----- From: "Chuck McCown" <[EMAIL PROTECTED]> To: "WISPA General List" <wireless@wispa.org> Sent: Monday, April 07, 2008 10:03 AM Subject: Re: [WISPA] Femtocells > Pretty sure G.722 is obsolete and has been rolled into G.726 > Most GSM systems use a variant of CELP, ACELP I think. G.729 I think. > All of the CELP methods suck when compared to G.711/22/26 PCM/ADPCM > methods. > > > ----- Original Message ----- > From: "Mike Hammett" <[EMAIL PROTECTED]> > To: "WISPA General List" <wireless@wispa.org> > Sent: Monday, April 07, 2008 8:53 AM > Subject: Re: [WISPA] Femtocells > > >>I know. AT&T and T-Mobile use GSM (the GSM for wireless is the same as >>the >> GSM VoIP codec). I dunno if the CDMA operators translate to anything in >> the >> VoIP world or not. >> >> I've tested with various codecs and I may use G.729 at some point, but >> for >> now I'm limiting myself to G.711 and G.722 once I get some business >> customers interested in it. >> >> >> ---------- >> Mike Hammett >> Intelligent Computing Solutions >> http://www.ics-il.com >> >> >> ----- Original Message ----- >> From: "Bryan Scott" <[EMAIL PROTECTED]> >> To: "WISPA General List" <wireless@wispa.org> >> Sent: Monday, April 07, 2008 8:58 AM >> Subject: Re: [WISPA] Femtocells >> >> >>> The cell carriers aren't using G711. I haven't seen how much a UMA call >>> takes up, but I'd bet it's less than the 90K of G.711u. UMA basically >>> encapsulates a GSM stream inside of an IPSEC tunnel. EDGE traffic gets >>> up to 100K+ when surfing or downloading files, so I could see a data >>> stream over UMA going up to 150-200K. >>> >>> If you're talking EVDO data transfers via a femtocell, it could get up >>> to a couple megabits (whatever they're touting EVDO's capability as, >>> plus some overhead for security). >>> >>> -- Bryan >>> >>> Mike Hammett wrote: >>>> I dunno if I'd use anything less than G.711. >>>> >>>> >>>> ---------- >>>> Mike Hammett >>>> Intelligent Computing Solutions >>>> http://www.ics-il.com >>>> >>>> >>>> ----- Original Message ----- >>>> From: "Chuck McCown - 2" <[EMAIL PROTECTED]> >>>> To: "WISPA General List" <wireless@wispa.org> >>>> Sent: Sunday, April 06, 2008 11:08 PM >>>> Subject: Re: [WISPA] Femtocells >>>> >>>> >>>>> G.711 require 64kbps plus overhead. Normally about 90 kbps. But >>>>> there >>>>> are >>>>> lossless compression methods that can cut this in about half. >>>>> ----- Original Message ----- >>>>> From: "Marty Dougherty" <[EMAIL PROTECTED]> >>>>> To: "'WISPA General List'" <wireless@wispa.org> >>>>> Sent: Sunday, April 06, 2008 8:24 PM >>>>> Subject: Re: [WISPA] Femtocells >>>>> >>>>> >>>>>> Does anyone know how much BW a call will require? >>>>>> >>>>>> Marty >>>>>> >>>>>> -----Original Message----- >>>>>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] >>>>>> On >>>>>> Behalf Of Gino Villarini >>>>>> Sent: Friday, April 04, 2008 5:57 AM >>>>>> To: WISPA General List >>>>>> Subject: Re: [WISPA] Femtocells >>>>>> >>>>>> Hmm I see better opportunity going to the Cellco directly and offer >>>>>> them >>>>>> the >>>>>> service, so that they do a bundle to the end user... Internet - >>>>>> Femtocell >>>>>> >>>>>> And you make and arrangement with the cellco to deliver the traffic >>>>>> directly >>>>>> to them instead of going to the internet...Saving them some $$ On >>>>>> Internet >>>>>> Bandwidth and also providing a lower latency link to them!!! >>>>>> >>>>>> >>>>>> ... maybe this is the next step beyond voip... >>>>>> >>>>>> Gino A. Villarini >>>>>> [EMAIL PROTECTED] >>>>>> Aeronet Wireless Broadband Corp. >>>>>> tel 787.273.4143 fax 787.273.4145 >>>>>> >>>>>> -----Original Message----- >>>>>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] >>>>>> On >>>>>> Behalf Of George Rogato >>>>>> Sent: Friday, April 04, 2008 6:30 AM >>>>>> To: WISPA General List >>>>>> Subject: [WISPA] Femtocells >>>>>> >>>>>> femtocells >>>>>> >>>>>> This is a great innovation that can help wisps gain market share. >>>>>> >>>>>> With these femtocells, the cell phone works in the house so the >>>>>> consumer >>>>>> >>>>>> doesn't need to have an extra land line. >>>>>> The customer is probably paying 80.00 or so for their dsl - telephone >>>>>> line. >>>>>> No land line needed for us wisps, the customer's 80.00 telco package >>>>>> is >>>>>> now >>>>>> in "play". Maybe they want to trade it in for a faster and probably >>>>>> lesser >>>>>> expensive internet connection. >>>>>> >>>>>> It's a good opportunity for us, or the cable company. >>>>>> >>>>>> http://news.yahoo.com/s/ap/wireless_show_femtocells;_ylt=ArOpXSwLh8fh4Jp >>>>>> nL.VHQpsjtBAF >>>>>> >>>>>> Verizon Wireless is joining Sprint Nextel Corp. in jumping on the >>>>>> latest >>>>>> >>>>>> craze in the wireless world: little boxes called femtocells that >>>>>> boost >>>>>> cell-phone coverage in subscribers' homes. >>>>>> >>>>>> >>>>>> >>>>>> ------------------------------------------------------------------------ >>>>>> -------- >>>>>> WISPA Wants You! Join today! >>>>>> http://signup.wispa.org/ >>>>>> ------------------------------------------------------------------------ >>>>>> -------- >>>>>> >>>>>> WISPA Wireless List: wireless@wispa.org >>>>>> >>>>>> Subscribe/Unsubscribe: >>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>> >>>>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>>>> >>>>>> >>>>>> ---------------------------------------------------------------------------- >>>>>> ---- >>>>>> WISPA Wants You! Join today! >>>>>> http://signup.wispa.org/ >>>>>> ---------------------------------------------------------------------------- >>>>>> ---- >>>>>> >>>>>> WISPA Wireless List: wireless@wispa.org >>>>>> >>>>>> Subscribe/Unsubscribe: >>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>> >>>>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>>>> >>>>>> >>>>>> >>>>>> -------------------------------------------------------------------------------- >>>>>> WISPA Wants You! Join today! >>>>>> http://signup.wispa.org/ >>>>>> -------------------------------------------------------------------------------- >>>>>> >>>>>> WISPA Wireless List: wireless@wispa.org >>>>>> >>>>>> Subscribe/Unsubscribe: >>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>> >>>>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>>>> >>>>> >>>>> >>>>> -------------------------------------------------------------------------------- >>>>> WISPA Wants You! Join today! >>>>> http://signup.wispa.org/ >>>>> -------------------------------------------------------------------------------- >>>>> >>>>> WISPA Wireless List: wireless@wispa.org >>>>> >>>>> Subscribe/Unsubscribe: >>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>> >>>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>>>> >>>> >>>> >>>> >>>> -------------------------------------------------------------------------------- >>>> WISPA Wants You! Join today! >>>> http://signup.wispa.org/ >>>> -------------------------------------------------------------------------------- >>>> >>>> WISPA Wireless List: wireless@wispa.org >>>> >>>> Subscribe/Unsubscribe: >>>> http://lists.wispa.org/mailman/listinfo/wireless >>>> >>>> Archives: http://lists.wispa.org/pipermail/wireless/ >>> >>> >>> >>> -------------------------------------------------------------------------------- >>> WISPA Wants You! Join today! >>> http://signup.wispa.org/ >>> -------------------------------------------------------------------------------- >>> >>> WISPA Wireless List: wireless@wispa.org >>> >>> Subscribe/Unsubscribe: >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >>> Archives: http://lists.wispa.org/pipermail/wireless/ >>> >> >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > -------------------------------------------------------------------------------- WISPA Wants You! 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