One voice line
One SIP registration
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
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
4Way 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 integratedEthernet switch: 10/100BASE-T RJ-45
802.3af-compliant PoE
( Optional 5 VDC universal (100-240V) switching; power supply is ordered separately (Cisco PA100
Regulatory Compliance
FCC (Part 15, Class B), CE Mark, A-Tick, C-Tick, Telepermit, UL, CB
Security Features
Password-protected system, preset to factory default
Password-protected access to administrator and user-level features
HTTPS with factory-installed client certificate
( HTTP digest: encrypted authentication via MD5 (RFC 1321
Up to 256-bit Advanced Encryption Standard (AES) encryption
( SIP over Transport Layer Security (TLS
( Secure Real-Time Transport Protocol (SRTP
