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Forums » VOIP etc » Voice Over IP - VOIP » VOIP Tech Chat » Who uses what Codec?
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The Truth About Universal Service Fund »
« Real world opinions of TelePacket  
page: 1 · 2 · 3 · 4
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priller

join:2000-10-20
Gainesville, VA
reply to wiggles4
Re: Who uses what Codec?

SunRocket --- G.711


newguy2005

join:2004-12-28
reply to wiggles4
I also asked about the codec for SunRocket, and the rep was unable to confirm this, but he said others also asked, and he thinks they use G.711.

lyulyok
Premium
join:2004-04-15
Seattle, WA

reply to nsumner
iConnecthere:

After much experimenting with iConnectHere and Asterisk, I have found out the following:

g711 - US calls, good quality.
g729a/gsm - international, at least to Ukraine. Quality is pretty horrid there. Looking for the VOIP provider that will allow g711 internationally.

louisd

join:2004-08-14
Ashburn, VA

reply to wiggles4
Update for BroadVoice:

The currently have g.711u available on all proxy servers.

In addition g.726-32 and g.729a are available on the Chicago proxy. The intent is that both will become available on all proxies after testing is completed.

Please note: As of right now, no matter what codec you select for calls this will only change outgoing calls. When you get a call their servers are always going to lock on g.711u. In fact, when I made g.726-32 available as my only codec, inbound calls failed.

kitonne

join:2004-08-20
Highland Park, IL
reply to wiggles4
Sipphone is currently using G711 and GSM on their PSTN gateway; 800 numbers gateway is using G711 only, afaik

nufone.net is using G711 and G729 - will take your preferred codec

tj008

join:2004-06-24
Cincinnati, OH
reply to wiggles4
Adding to the research...

Dialpad uses g723.1



vonsen
Just Because
Premium
join:2005-01-06
reply to wiggles4
Skype codec

Skype uses the iLBC codec.

tj008

join:2004-06-24
Cincinnati, OH
reply to tj008
Re: Who uses what Codec?

Clarification from different CS rep:

Dialpad uses g729a for line 1. Line 2 uses g723.1.



vonsen
Just Because
Premium
join:2005-01-06


1 edit
reply to wiggles4
Lingo firmware upgrade addes g726 codec to customers using the utstarcom adapter. Lingo uses g729 by default, also capable of negotiating g711 if remote end does not have g729. It's not clear if T38 has been implemented for faxing.

edit: to clarify T38 status

--
Email these Lingo executives about the misrepresented 18% hike: psingh@primustel.com,nhazard@primustel.com,tkloster@primustel.com,jdepodesta@primustel.com,t book@primustel.com,smcintyre@primustel.com,anayar@primustel.com,tlawson@primustel.com,mguirg is@primustel.com,jmelick@primustel.com,jrosenblatt@primustel.com,ghicks@primustel.com,mmagil l@primustel.com


dritchie

join:2001-05-07
Euclid, OH

reply to nsumner
Just an FYI -

Vodavi in theirVoIP offerings use
G.711 @ 110kbps for "full" B/W connections and
G.723.1 @ 22kbps when B/W needs to be limited.
G.723.1 can sound almost toll quality when you have some control over QOS.

Do you understand the deference between
G.711u-law and G.711a-law?

mskeven

join:2004-09-08
inida
reply to wiggles4
mutualphone.com uses G729 and G.723 now

mskeven

join:2004-09-08
inida
reply to dritchie
Do you understand the deference between
G.711u-law and G.711a-law?

---------one is US standard
one is Europe standard


Corvus
Flaming Tards Since 2003
Premium,VIP
join:2003-11-26
reply to wiggles4
Videotron.com Cable VoIP

G.711

d2classic

join:2004-12-11
Dayton, OH

I have no idea which codec I use. I have Vonage, and I logged into the vonage.com site and set my bandwidth to the middle. (50kbps? I think). When I have it to 90kbps, the person on the other end can not hear me clear, and they are way too loud in my ear, even with my phone volume set to low. I have roadrunner 5meg down, 384kb up.

In another subject, my VOIP quality dramatically improved as soon as I ditched my linksys router and went to a astaro secure linux firewall setup.


quisp65

join:2003-05-03
San Diego, CA
reply to wiggles4
Through searches through Stanaphone's forums it is stated Stanaphone uses g.711u & GSM.


LingoUsr549

@rr.com
Just got a D-Link DVG-1402S VoIP Router activated on Lingo.
After searching down Primus's UserName/Password, I can now see that router is set up for primary = G.729a and secondary = G.711 u-Law.


PhoneBoy
I Am

join:2002-01-02
Gig Harbor, WA

reply to wiggles4
Here's a nice comparison of different service providers. Codecs used by the providers are actually listed.

»voxilla.com/compare/compare.php
--
See my blog at »blog.phoneboy.comThe views expressed herein are not necessarily those of anyone else, including the poster.

caseydoug

join:2001-08-14
Seattle, WA
Great link, Phoneboy. Thanks. Not 100% accurate, but pretty close for Lingo.


usa2k
Please PRAY for Rebekah
Premium,MVM
join:2003-01-26
Canton, MI
clubs:
Is it broken? I just see a few adds.

caseydoug

join:2001-08-14
Seattle, WA
Use the drop-down list, and then select the providers, and hit "compare."
Forums » VOIP etc » Voice Over IP - VOIP » VOIP Tech ChatThe Truth About Universal Service Fund »
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