asterisk users - Apr 2004 - Fax Over VoIP

Anyone know what protocols support a fax machine i.e. g.729, g.711, etc?

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Michael Shuler

Try g711/ulaw although its not "supported"

> Anyone know what protocols support a fax machine i.e. g.729, g.711, etc?
>
> ----------------------------------------
>
> Michael Shuler
>
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G7LTT/KC2ENI
Mark Phillips

g711ulaw

----- Original Message ----- 
From: "Michael Shuler" <mike@bwsys.net>
To: <asterisk-users@lists.digium.com>
Sent: Wednesday, April 14, 2004 7:01 PM
Subject: [Asterisk-Users] Fax Over VoIP

> Anyone know what protocols support a fax machine i.e. g.729, g.711, etc?
> 
> ----------------------------------------
> 
> Michael Shuler
> 
> _______________________________________________
> Asterisk-Users mailing list
> Asterisk-Users@lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users

> Anyone know what protocols support a fax machine i.e. g.729, g.711, etc?
ulaw/alaw/slinear.  That's it.  Any kind of modem makes extensive use of the
entire allowable POTS bandwidth and clarity and any protocol which mangles 
that will mangle a data call.

-A.

On Apr 14, 2004, at 4:01 PM, Michael Shuler wrote:
> Anyone know what protocols support a fax machine i.e. g.729, g.711, 
> etc?
Only G.711, and even that won't always work.


Scott