How difficult is it to change the firmware load on a Polycom phone from MGCP to SIP? I have a number of 500/600 phones and see some used phones being offered with MGCP installed. I have the SIP firmware but have never had to migrate between content loads. Any expected gotcha's? Michael Graves -- Michael Graves mgraves at pixelpower.com Sr. Product Specialist www.pixelpower.com Pixel Power Inc. mgraves at mstvp.com o713-861-4005 c713-201-1262 skype mjgraves fwd 54245