Index-6 41-001160-00, Release 2.2 Rev 05IndexNortel NAT timer 3-45Nortel NAT traversal enabled 3-45Nortel Proxy 4-31NTP time servers 3-46Ooperational features 5-5operational features, advanced 6-3configuring line number 6-5configuring MAC address 6-5configuring message sequence for blindtransfer 6-7optionsvia Aastra Web UI 3-6via Configuration Files 3-8via IP Phone UI 3-3options key 1-8Options key redirection 5-353options menu, simplified A-7out of sequence errors, ignoring 6-51Ppagingconfiguring group RTP settings 5-109group RTP setting description 5-107Paging key 5-153paging RTPpaging listen addresses 3-26parameters6755i, 6757i, 6757i CT softkeys A-193802.1x support settings A-109Aastra Web UI A-17acd auto-available timer A-186ACD subscription period A-100Action URIs A-135advanced SIP A-92as-feature-event subscription A-104audio transmit and receive adjustmentsettings A-180auto-answer settings A-175backlight mode (6755i, 6757i, 6757i CT) A-63BLA support for MWI A-87blacklist duration A-236BLF list URI A-230BLF subscription period A-99blind transfer setting A-233boot sequence recover mode A-234call forward key mode A-127call forward settings A-126call waiting settings A-152Callers List settings A-124centralized conferencing A-88configuration encryption setting A-243configuration server A-18custom time zone and dst settings A-54customized callers list and services keys A-125customzing Aastra Web UI Key List A-223DHCP option settings A-13dial plan A-65directed call pickup A-184directory settings A-123DND key mode A-154dns query setting A-242DSCP A-44DTMF digits A-174emergency dial plan A-16expansion module keys A-216global ring tone settings A-143global SIP A-67goodbye key cancels incoming call A-150group paging RTP settings A-179GRUU Support A-241handset feature keys A-214HTTP/HTTPS authentication with BroadsoftCMS A-91HTTPS client and server settings A-33HTTPS server certificate validation A-35incoming call interrupts dialing A-146incoming intercom A-177Intercom settings A-175language A-162language pack A-164live dialpad A-64LLDP ELIN A-129local SIP TLS port A-32local SIP UDP/TCP port A-32locking SAVE and DELTE keys (6753i) A-229locking softkeys and programmable keys A-226MAC Address/Line Number A-93mapping key A-189Draft 1