We have the following versions: App Version: 1.4.1.0040 (SIP) Bootrom: 2.6.1.0003 I also noticed that the polycom IP600 phones are Rev 3. --johann Chris Coulthurst wrote: >Which software pack to you have for the IP600? Sip.ld, bootrom, etc... > >Chris Coulthurst >chris at shuksan.com > > >