The concept is fuzzy... If one were to terminate a T1 PRI(s) into a T100P or T400P. How are DID numbers assigned to IP phones on the inside through a SIP gateway. What am I missing here?... -- Mark Street, D.C. Red Hat Certified Engineer Cert# 807302251406074 -- Key fingerprint = 3949 39E4 6317 7C3C 023E 2B1F 6FB3 06E7 D109 56C0 GPG key http://www.streetchiro.com/pubkey.asc