If you have a remote site that's pretty small, but all IP for phones how do you run analog lines like faxes? Do you prefer to put a MCD solution on site or just run the POTS lines through the local carrier?
I've had a couple of dilemmas with that lately where I'm not sure it makes sense to invest in a PBX on site, but I would love those lines to be in our cluster. I would also like to save the money by having those lines as a DID on our PRI spans that centrally serve us instead of run them for $20 a month in to the building.
How "small" do you mean? 5 users, 10, 20, 50, or
Makes a big difference...
If you want to invest in DSPII's and T.38 compression licenses, you could put a SIP analog ATA out there, but just without them just running G.711 it is hit an miss sometimes... If you just need one or two analogs, then you are probably better off to get a line or two from your telco/cable provider.
Remember there are other options, a fax server or appliance might work well to. Just install it at the main site and let users send/recieve faxes via computer and scanner (if necessary). We use these quite a bit:
http://www.multitech.com/brands/faxfinder