* Personal directory * Call forward * Call transfer * Call waiting * Caller and calling line information * Callers log * Conference * Redial list * Live dial pad or pre-dial support * BroadSoftâ??s BroadWorks enhanced SIP â?? supports Intercom, Shared Call Appearances, CommPilot Call Manager * Nortelâ??s MCS SIP support â?? Conferencing, Voicemail, and NAT Traversal support