[Asterisk-Users] VoIP over 1xRTT

[dean collins]

There have been some people trialing voice over arraycom wireless in
Sydney, fairly good reports from what I've heard (www.iburst.com.au if
you want more info on the arraycom project in Australia).


Cheers,
Dean


-----Original Message-----
From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Gregory
Junker
Sent: Monday, October 18, 2004 6:46 PM
To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
Subject: RE: [Asterisk-Users] VoIP over 1xRTT

While it's not applicable in the next ten days, WiMax/802.16 will make
these
sorts of issues kinda moot. AT&T and Covad are kicking into high gear in
the
next 6-18 months to roll out their WiMax services. I had been
researching
the same sorts of things mentioned in this thread, including GSM/GPRS
and
CDMA services, but I think I am just going to wait until WiMax is
out...my
call needs are still limited to the continental US and my AT&T cell
phone
still works just fine all over the country. ;)

Greg

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com]On Behalf Of
> Deon Rodden
> Sent: Monday, October 18, 2004 6:25 PM
> To: brian at bmit.net; 'Asterisk Users Mailing List - Non-Commercial
> Discussion'
> Subject: RE: [Asterisk-Users] VoIP over 1xRTT
>
>
> My concern is Sprint would consider this a threat to their "Bread and
> Butter". Why buy one of their $100/mo plans for 2000 Anytime
> Minutes when
> you can get a $50/mo data plan and use an unlimited VOIP
> carrier. Why pay
> their overpriced International rates, when you can just go
> through a VOIP
> carrier.
>
> With Verizon, I'm getting the Samsung i700 PDA phone. It runs
> Windows Mobile
> 2003, which is based off CE. I believe I found a SIP client
> for it. Using a
> wireless SD card in the SDIO slot it comes with, anytime I'm
> in range of a
> hotspot, I'll be able to go online and use the SIP client. Effectively
> turning my Cell phone into a wireless SIP phone when in range
> of a hot spot.
> Would be really nice when I'm in Australia. Also found an ssh
> client for it
> and a small roll out keyboard.
>
> I know I can get my laptop to go online through this phone,
> but I wonder if
> the phone can go online through my laptop. If so, anytime my
> laptop has
> internet access, such as from Ethernet, the sip client on the
> pda-phone
> would work. Thus turning it into a usb phone. Hehe.
>
> I love technology... Most of the time.
>
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Brian
> McSpadden
> Sent: Monday, October 18, 2004 5:45 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] VoIP over 1xRTT
>
> It is not always the bandwidth, you are correct. There are however
> times on the Sprint network that the bandwidth is reduced, or the
> bandwidth is zero, because it can't connect to anything because the
> network is so busy. WIth Sprint's CDMA 1xRTT network, voice and data
> share the same network, but voice is the bread and butter of the
> business, so it will get priority over data.
>
> This is why I'm saying, EV-DO (and later EV-DV) will do great things
> for VoIP over cellular networks. EV-DO (DO stands for Data Only),
> dedicates a high speed data network, more available bandwidth for
> everybody, and less latency, hence less jitter. I'm excited to see
> these developments, as I believe it will make VoIP more reliable over
> these types of networks. At the moment, there are simply too many
> variables to trust it.
>
> Brian
>
>
> On Mon, 18 Oct 2004 17:36:14 -0400, Deon Rodden
> <drodden at webunited.net>
> wrote:
> > It's not the bandwidth. I have Sprint and am switching to
> Verizon with a
> > week. When I go online through my Sprint phone, I get
> 250+ms response
> times.
> > That can not be VOIP friendly. I have clocked downloads at
> up to 130 kbits
> > per second, so the speed is ok, but the ping response times are bad.
> >
> > I've heard reports from Verizon users who get an average of
> 60-80 kbits
> per
> > second, so I 'feel' Sprint's network may be a little faster as their
> average
> > is higher, at least in my area. But Verizon is already
> doing the 2nd stage
> > rollout, which is nice and fast.
> >
> > But the latency issue will probably still be there, for
> Sprint or Verizon.
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