Telephony Features

• Four voice lines

• Four Independent SIP Registrations*

• Line status: active line indication, with name and number

• Menu-driven user interface

• Shared line appearance**

• Speakerphone

• Call hold

• Music on hold**

• Call waiting

• Caller ID name and number

• Outbound caller ID blocking

• Call transfer: attended and blind

• Three-way call conferencing with local mixing

• Multiparty conferencing via external conference bridge

• Automatic redial of last calling and last called numbers

• On-hook dialing

• Call pickup: selective and group**

• Call park and unpark**

• Call swap

• Call back on busy

• Call blocking: anonymous and selective

• Call forwarding: unconditional, no answer, on busy

• Hot line and warm line automatic calling

• Call logs (60 entries each): made, answered, and missed calls

• Redial from call logs

• Personal directory with auto-dial (100 entries)

• Do not disturb

• Digits dialed with number auto-completion

• Anonymous caller blocking

• Uniform Resource Identifier (URI) (IP) dialing support (vanity numbers)

• On-hook default audio configuration (speakerphone and headset)

• Multiple ring tones with selectable ring tone per line

• Called number with directory name matching

• Ability to call number using name: directory matching or via caller ID

• Subsequent incoming calls show calling name and number

• Date and time with support for intelligent daylight savings

• Call start time stored in call logs

• Call timer

• Name and identity (text) displayed at startup

• Distinctive ringing based on calling and called number

• 10 user-downloadable ring tones

• Speed dialing, eight entries

• Configurable dial/numbering plan support

• Intercom**

• Group paging

• Network Address Translation (NAT) Traversal, including Simple Traversal of UDP Through NATs (STUN) support

• DNS SRV and multiple A records for proxy lookup and proxy redundancy

• Syslog, debug, report generation, and event logging

• Highly secure call encrypted voice communications support

• Built-in web server for administration and configuration with multiple security levels

• Automated remote provisioning, multiple methods; up to 256-bit encryption (HTTP, HTTPS, Trivial File Transfer Protocol [TFTP])

• Option to require administrator password to reset unit to factory defaults

Hardware Features

• Pixel-based display: 128 x 64 monochrome LCD graphical display with backlight

• Dedicated illuminated buttons for:

– Audio mute on/off

– Headset on/off

– Speakerphone on/off

• 4-way rocking directional knob for menu navigation

• Voicemail message waiting indicator (VMWI) light

• Voicemail message retrieval button

• Dedicated hold button

• Settings button for access to feature, setup, and configuration menus

• Volume control rocking up/down knob controls handset, headset, speaker, ringer

• Standard 12-button dialing pad

• High-quality handset and cradle

• Built-in high-quality microphone and speaker

• Headset jack: 2.5 mm

• LED test function

• Two Ethernet ports with integrated Ethernet switch: 10/100BASE-T RJ-45

• 802.3af-compliant PoE

• Optional 5 VDC universal (100-240V) switching; power supply is ordered separately (Cisco PA100)