[cisco-voip] mixing FAX modes

[Robert Kulagowski]

On Thu, Mar 18, 2010 at 6:40 PM, Matthew Ballard <mballard at otis.edu> wrote:
> We're using Xmedius here at Otis College, and it's working well for us.
> Boardless is nice, no analog lines running to a server, and it can be run on
> a VM (which is what we do).  Xmedius (and probably the other boardless fax
> servers) run T.38 for the protocol, and connect to UCM for the gateway (I
> would assume it also works with CME, but I have no experience with that).
> The only additional configuration we needed on our gateway (configured with
> H.323) is:
> voice service voip
>  fax protocol t38 ls-redundancy 0 hs-redundancy 0 fallback pass-through
> g711ulaw
> (note that g711ulaw is on the same line as fax protocol t38)
>
> I also had to tweak one of the timing parameters in UCM (I don't remember
> offhand but I can look it up if someone wants it) to allow for fax machines
> that weren't picking up until 4-5 rings in.
>
> We have also integrated it with our newer HP MFPs using HP's DSS software,
> which can be quirky, but has worked well in general (in conjunction with the
> XML Gateway option on Xmedius), and have been able to substantially reduce
> the number of analog lines we need.
>
> FYI, Xmedius (in our experience) pricing was based on the options and the
> number of lines it will work with (ie number of simultaneous faxes, inbound
> or outbound).
>
> Fax over IP does indeed allow for > 9600 baud faxing.  Our system is
> currently running smoothly at 14400.  Theoretically IOS 15, possibly with
> corresponding changes in the fax server software should allow for even
> faster than that, but I haven't even started to look into that.

Does the XMedius software register directly with CUCM as some sort of
device, or just get a dial-peer pointed at it from the router?
XMedius requires login to read docs (grrrr....)