5.2.2 SIP (Session Initiation Protocol) ExtensionDescriptionThis PBX supports the connection of SIP-compatible IP telephones (hardphones and softphones). SIPextensions make and receive calls using Internet Protocol (IP).For information about SIP extension compatibility with feature numbers, see 5.5.7 Flexible Numbering/FixedNumbering.For information about Panasonic KX-UT series SIP phones, see 5.2.2.1 KX-UT Series SIP Phones.Below are the features supported by SIP extensions:• Absent Message (® 2.20.2 Absent Message)• Account Code Entry (® 2.5.4.3 Account Code Entry)• Automatic Route Selection (ARS) (® 2.8 Automatic Route Selection (ARS) Features)• Call Forwarding (FWD) (® 2.3.2 Call Forwarding (FWD))• Call Hold (® 2.13.1 Call Hold)• Call Park*1 (® 2.13.2 Call Park)• Call Pickup (® 2.4.3 Call Pickup)• Call Transfer with Announcement (® 2.12.1 Call Transfer)• Call Waiting Tone (® 2.1.3.3 Call Waiting)• COLR/CLIR/CLIP/COLP (® 4.1.2.2 Calling/Connected Line Identification Presentation (CLIP/COLP))• Conference*2 (® 2.14 Conference Features)• Conference Group Call (® 2.15.1 Conference Group Call)• Data Line Security (® 2.11.5 Data Line Security)• Dial Information (CTI) (® 2.26.1 Computer Telephony Integration (CTI))• Direct Inward System Access (DISA) (® 2.16.1 Direct Inward System Access (DISA))• Door Open (® 2.18.2 Door Open)• Doorphone Call (® 2.18.1 Doorphone Call)• Emergency Call (® 2.5.4.2 Emergency Call)• Executive Busy Override Deny (® 2.10.2 Executive Busy Override)• Extension Dial Lock (® 2.7.3 Extension Dial Lock)• Extension Feature Clear (® 2.24.2 Extension Feature Clear)• Extension PIN (® 2.24.1 Extension Personal Identification Number (PIN))• External BGM On/Off (® 2.28.1 Background Music (BGM))• FWD/DND (® 2.3 Call Forwarding (FWD)/Do Not Disturb (DND) Features)• Group FWD (® 2.3.2 Call Forwarding (FWD))• Idle Line Access (® 2.5.5.3 Trunk Access)• Log-in/Log-out (® 2.2.2.7 Log-in/Log-out)• Message Waiting (® 2.20.1 Message Waiting)• Not Ready (® 2.2.2.7 Log-in/Log-out)• Operator Call (® 5.1.5 Operator Features)• Paging (® 2.17.1 Paging)• Personal Speed Dialling (® 2.6.4 Speed Dialling—Personal/System)• Quick Dialling (® 2.6.5 Quick Dialling)• Redial (® 2.6.3 Last Number Redial)• Remote Station Lock (® 2.7.3 Extension Dial Lock)• S-CO Line Access (® 2.5.5.3 Trunk Access)• System Speed Dialling (® 2.6.4 Speed Dialling—Personal/System)• TIE Line Call (® 4.3.1 TIE Line Service)• Time Service (® 5.1.4 Time Service)• Timed Reminder (® 2.24.4 Timed Reminder)• Trunk Group Access (® 2.5.5.3 Trunk Access)456 Feature Guide5.2.2 SIP (Session Initiation Protocol) Extension
