(9) Polycom IP500CS - New in Box - These are loaded MGCP but pretty sure they can take the SIP image - Selling for $165/ea (3) Polycom IP400 - Just like the IP500, but an earlier model, also running MGCP - These are gently used - $125/ea -- Cory Andrews Senior Partner VOIPSupply.com ++++++++++++++++ 800.398.VOIP X22 Cory at VOIPSupply.com