[COLUG] Business net access in Dublin

[Dave Maxwell]

On Tue May 6 2008, Dave wrote:

> In general, faxing over VOIP is not reliable. As I understand it,
> there is a protocol called T.38 for faxing over voip (see on of links
> below) Is there a reason they absolutely have to use VOIP for faxing?
> I would be tempted to use one of the fax to email providers such as
> efax.com (I don't know which is the best one). Or just get a regular
> phone line for faxing.

They bought VOIP equipment that implements T.38.  They basically want one 
communications bill.  I haven't implemented any of this.  My (our) advice is 
merely sought.

I have mentioned that a POTS line is the path of least resistance for the fax.

> Some links you may want to read before fighting this more. Of course,
> this doesn't mean that TW isn't at least partly to blame, but you
> should probably read more about this (unless of course you already
> know about it) before moving forward with anything else.

Yeah, I've read similar things.  Their latency simply degrades on a late 
afternoon schedule.  They can reliably fax until kids start getting home from 
school and adults from work.   This behaivor is consistent.  The equipment 
seems to properly implement fax over IP as well as possible. 

What they wanted to do was rip out their out of date analog PBX and go all 
digital but it seems that they may have to bend for the sake of faxing.

Unless others have a better idea, I'm going to tell them to go with the DSL 
and dedicated line for the fax if possible.

> http://www.voip-info.org/wiki-Asterisk+fax
>
> http://chris.pirillo.com/2008/02/17/how-to-fax-over-voip-on-the-internet/
>
> Dave

Dave

-- 
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