Feature Manual References6.1.3 Flexible ButtonsOperating Manual References1.3.60 Self Labeling (KX-NT366 only)16.1.2 SIP (Session Initiation Protocol) ExtensionDescriptionThis PBX supports the connection of SIP supported IP telephones (hardphones and softphones). SIPextensions make and receive calls using Internet Protocol (IP).For information about SIP extension compatibility with feature numbers, see 6.1.4 Flexible Numbering/FixedNumbering.Below are some features supported by SIP extensions:– Account Code Entry (® 1.1.2 Account Code Entry)– Automatic Route Selection (ARS) (® 1.1.3 ARS (Automatic Route Selection))– Call Forwarding (FWD) (® 6.1.6 FWD (Call Forwarding))– Call Hold (® 3.1.4 Call Hold)– Call Transfer with Announcement (® 3.1.10 Call Transfer)– Conference*1 (® 3.1.18 Conference)– Direct Inward System Access (DISA) (® 4.1.8 DISA (Direct Inward System Access))– Doorphone Call (® 4.1.12 Doorphone Call)– Emergency Call (® 5.1.2 Emergency Call)– Idle Line Access (® 3.1.16 CO Line Access)– Operator Call (® 12.1.5 Operator Features)– Personal Speed Dialing (® 16.1.6 Speed Dialing, Personal)– Quick Dialing (® 14.1.1 Quick Dialing)– S-CO Line Access (® 3.1.16 CO Line Access)– System Speed Dialing (® 16.1.7 Speed Dialing, System)– TIE Line Call (® 13.1.15 PRIVATE NETWORK FEATURES)– Trunk Group Access (® 3.1.16 CO Line Access)*1 As a member only (not as originator).KX-HGT100 extensions support the following additional features:– Message Waiting– Personal Speed Dialing (Internal)– Voice Mail– Automatic Date and Time Adjustment– Showing/preventing the telephone number when making outside calls– SVM– Call Transfer without AnnouncementFor details, refer to the Quick Reference Guide of the KX-HGT100.Conditions• This PBX supports SIP devices that use RFC 3261, 3264, 3310, 2327, or 4028.• Some SIP phones may not be compatible with this PBX.Document Version 2009-12 Feature Manual 28116.1.2 SIP (Session Initiation Protocol) Extension