Cisco 1-Line IP Telephone, 1-Port Ethernet, Display SPA921-NA User Manual

• One Voice Line with Two Call Appearances

• Backlit Pixel Based Display: 128x64 Monochrome Graphical Liquid Crystal Display (LCD)

• Line Status - Active Line Indication, Name and Number

• Menu Driven User Interface

• Shared Line Appearance **

• Speakerphone

• Call Hold

• Music on Hold **

• Call Waiting

• Caller ID Name and Number and Outbound Caller ID Blocking

• Outbound Caller ID Blocking

• Call Transfer - Attended and Blind

• Three Way Call Conferencing with Local Mixing

• Connects to External Conference Bridge for Multi-party Conferencing 

• Automatic Redial of Last Calling and Last Called Numbers

• On-Hook Dialing

• Call Pick Up - 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 (callers hear line busy tone)

• Digits Dialed with Number Auto-Completion

• Anonymous Caller Blocking

• 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

• Call Number using Name - Directory Matching or via Caller ID

• Subsequent Incoming Calls with Calling Name and Number

• Date and Time with Intelligent Daylight Savings Support

• Call Duration and Start Time Stored in Call Logs

• Call Timer

• Name and Identity (Text) Displayed at Start Up

• Distinctive Ringing Based on Calling and Called  Number

• Ten User Downloadable Ring Tones - Ring Tone Generator Free from www.linksys.com

• Speed Dialing, Eight Entries

• Configurable Dial/Numbering Plan Support

• Intercom    **

• Group Paging  **

• NAT Traversal, including STUN Support

• DNS SRV and Multiple A Records for Proxy Lookup and Proxy Redundancy

• Syslog, Debug, Report Generation, and Event Logging

• Secure Call Encrypted Voice Communication 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, TFTP)

• Optionally Require Admin Password to Reset Unit to Factory Defaults

• ** Feature requires support by call server 

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