- * Enhanced Call Management - Large storage for personal directory, callers log, and redial list * Tight Integration - Support for multiple IP telephony systems including BroadWorks®, Nortel, Sylantro, and Asterisk SIP * Remarkable Audio - Quality speakerphone with excellent voice delivery * Protect Your Investments - Firmware upgrades can be downloaded and installed in the field as standards develop and protocols evolve * Broadsoft's BroadWorks enhanced SIP - supports Intercom, Shared Call Appearances, CommPilot Call Manager * Nortel's MCS SIP support - Conferencing, Voicemail, and NAT Traversal support * 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