(active/passive) • Branch office survivability • SIP Device Management for ALE devices and softphone IPv6 • IPv6 and IPv4 dual stack ¬ Communication server ¬ RM1 and RM3 • IPv6/IPv4 proxy ¬ RM1 and RM3 • IPv6 or IPv4 stack ¬ ALE DeskPhones (IP) IETF standards...