| Author |
Message |
Elliot
Guest
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 Posted:
Wed Sep 22, 2004 8:22 am Post subject:
Please call me for SIP testing on 446714@fwd.pulver.com |
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Hi
I am located in Melbourne Australia, and am enthusiastic about SIP/VoIP and
want to do some SIP testing through fwd.pulver.com
"http://www.freeworlddialup.com/". Please call me, for SIP testing on
446714@fwd.pulver.com
I am using a ZyXEL P2000W wireless VoIP phone with G.729 voice codec for
testing ...
Elliot
446714@fwd.pulver.com |
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Black Adder
Guest
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| Posted:
Wed Sep 22, 2004 12:36 pm Post subject:
Re: Please call me for SIP testing on 446714@fwd.pulver.com |
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Yeah, I was told that VOIP wouldn't work with wireless networks because it
was simplex.
Proved those fools wrong. You wouldn't know the difference, it only uses
8kps of the bandwidth. (when you consider wireless is around 54)
--
----------------------------------------------------------------------------
------------------------------------------------------------
"It's all coming back to me now", said the blind man as he peed into the
wind
"Elliot" <446714@fwd.pulver.com> wrote in message
news:ciqufv$frp$1@perki.connect.com.au...
| Quote: | Hi
I am located in Melbourne Australia, and am enthusiastic about SIP/VoIP
and
want to do some SIP testing through fwd.pulver.com
"http://www.freeworlddialup.com/". Please call me, for SIP testing on
446714@fwd.pulver.com
I am using a ZyXEL P2000W wireless VoIP phone with G.729 voice codec for
testing ...
Elliot
446714@fwd.pulver.com
|
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| Back to top |
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Gregory Toomey
Guest
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| Posted:
Wed Sep 22, 2004 2:00 pm Post subject:
Re: Please call me for SIP testing on 446714@fwd.pulver.com |
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Black Adder wrote:
| Quote: | Yeah, I was told that VOIP wouldn't work with wireless networks because it
was simplex.
Proved those fools wrong. You wouldn't know the difference, it only uses
8kps of the bandwidth. (when you consider wireless is around 54)
|
VOIP uses UDP, and does not care what the carrier is.
As you suggested voice is ~ 8Kb/sec, but wireless is at least 1000 times
faster (11Mb/sec for 802.11b, 54Mb/sec for 802.11g)
A lot of voip discussion happens at http://forums.ozvoip.com/
gtoomey
www.ausinvestor.com Australian Investor Forum |
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Mathew M.
Guest
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| Posted:
Wed Sep 22, 2004 4:13 pm Post subject:
Re: Please call me for SIP testing on 446714@fwd.pulver.com |
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On Wed, 22 Sep 2004 18:36:51 +1000, Black Adder wrote:
| Quote: | Yeah, I was told that VOIP wouldn't work with wireless networks because it
was simplex.
|
Whoever told you that was wrong.
| Quote: | Proved those fools wrong. You wouldn't know the difference, it only uses
8kps of the bandwidth. (when you consider wireless is around 54)
|
--
Mathew M. <mathew@spiesNOSPAMareus.yi.org>
GPG public key ID: 0x3DDC1413
This post contains a chemical or chemicals known to the state of California
to cause cancer, birth defects or other reproductive harm. This (these)
chemical(s) may be harmful to your health. |
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Andreas Sikkema
Guest
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| Posted:
Wed Sep 22, 2004 8:21 pm Post subject:
Re: Please call me for SIP testing on 446714@fwd.pulver.com |
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"Black Adder" <home@home.com> wrote in
news:4151373b$0$658$61c65585@uq-127creek-reader-01.brisbane.pipenetworks.
com.au:
| Quote: | Yeah, I was told that VOIP wouldn't work with wireless networks
because it was simplex.
Proved those fools wrong. You wouldn't know the difference, it only
uses 8kps of the bandwidth. (when you consider wireless is around 54)
|
Well, some customers of us tested it as well, but when there was more than
1 or two (don't know the exact number) the experienced huge delays. This
seems to have something to do with the WLAN protocol itself.
--
Andreas |
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Black Adder
Guest
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| Posted:
Thu Sep 23, 2004 4:25 pm Post subject:
Re: Please call me for SIP testing on 446714@fwd.pulver.com |
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we have between 10 and 15 wireless workstations on one particular site.
They make calls to other branches that also have wireless.
http://www.alloy.com.au - these are the people that told us it wouldn't
work.
--
----------------------------------------------------------------------------
------------------------------------------------------------
"It's all coming back to me now", said the blind man as he peed into the
wind
"Andreas Sikkema" <ramdyne@gmx.net> wrote in message
news:Xns956CBAAC52360hiero.daaro@194.109.133.29...
| Quote: | "Black Adder" <home@home.com> wrote in
news:4151373b$0$658$61c65585@uq-127creek-reader-01.brisbane.pipenetworks.
com.au:
Yeah, I was told that VOIP wouldn't work with wireless networks
because it was simplex.
Proved those fools wrong. You wouldn't know the difference, it only
uses 8kps of the bandwidth. (when you consider wireless is around 54)
Well, some customers of us tested it as well, but when there was more than
1 or two (don't know the exact number) the experienced huge delays. This
seems to have something to do with the WLAN protocol itself.
--
Andreas |
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RC
Guest
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| Posted:
Sat Sep 25, 2004 3:32 am Post subject:
Re: Please call me for SIP testing on 446714@fwd.pulver.com |
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Obviously VoIP works over wireless, I do it all the time, but I would really
like for people to stop saying that G729 is 8Kbps over a wireless IP
connection (or any other IP connection).
The 8Kbps specified in G.729 is the compressed audio stream. It does not
include the IP, 802.3, 802.11a/b/g, PPP, ATM, or whatever overhead. The
actual bandwidth used will also vary depending on the sample rate.
So, a G.729 VoIP call with a 20ms sample rate (not the only one but the most
common) running over 802.3 Full Duplex Ethernet (its a little less on
half-duplex) will use about 40Kbps. Now this is an approximation, I assume
an IP packet header or 40B (Bytes not bits).
I'm not sure what the overhead is on 802.11a/b/g but I doubt it's much, if
any, more then 802.3. If anyone knows, please post it.
The big issue on wireless is QoS, even the best AP that are designed for
VoIP can't do much more then 8 calls.
RC
"Black Adder" <home@home.com> wrote in message
news:4151373b$0$658$61c65585@uq-127creek-reader-01.brisbane.pipenetworks.com.au...
| Quote: | Yeah, I was told that VOIP wouldn't work with wireless networks because it
was simplex.
Proved those fools wrong. You wouldn't know the difference, it only uses
8kps of the bandwidth. (when you consider wireless is around 54)
--
--------------------------------------------------------------------------
--
------------------------------------------------------------
"It's all coming back to me now", said the blind man as he peed into the
wind
"Elliot" <446714@fwd.pulver.com> wrote in message
news:ciqufv$frp$1@perki.connect.com.au...
Hi
I am located in Melbourne Australia, and am enthusiastic about SIP/VoIP
and
want to do some SIP testing through fwd.pulver.com
"http://www.freeworlddialup.com/". Please call me, for SIP testing on
446714@fwd.pulver.com
I am using a ZyXEL P2000W wireless VoIP phone with G.729 voice codec for
testing ...
Elliot
446714@fwd.pulver.com
|
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Kwyjibo.
Guest
|
| Posted:
Tue Sep 28, 2004 1:01 pm Post subject:
Re: Please call me for SIP testing on 446714@fwd.pulver.com |
|
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Gregory Toomey <nospam@bigpond.com> said
| Quote: | but wireless is at least 1000 times
faster (11Mb/sec for 802.11b, 54Mb/sec for 802.11g)
|
And nowhere near that in reality. Especially with any decent form of
security.
Try 20-25Mbps if you are sitting right on top of the AP and closer to 10-
15Mbps at a 'normal' distance.
You are correct that it's plenty for VoIP though, as long as others on the
same AP aren't utilising all the available (shared) bandwidth.
--
Kwyj.
(Remove your panties to reply by email) |
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