Cisco SPA941-NA 4-Line IP Telephone w/ 1-Ethernet Port & Hi-Res Display

• Mfr Part Number: SPA941-NA
• Hardware:
• Pixel Based Display: 128x64 Monochrome LCD Graphical Display
• Four Illuminated Call Appearance Line Buttons with Tricolor LED's
• LED Indicates Line State - Active, Idle, On-Hold, Unregistered
• Line LED Configurable to 13 Different States (On/Off, Color, Flash)
• Dedicated Illuminated Buttons for:
• Audio Mute On/Off
• Headset On/Off
• Speakerphone On/Off
• Four Soft Key Buttons
• Four Way Rocking Directional Knob for Menu Navigation
• Voice Mail Message Waiting Indicator Light
• Voice Mail Message Retrieval Button
• Dedicated Hold Button
• Settings Button for Access to Feature, Set-up, 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 millimeter
• Ethernet LAN - 10BaseT RJ-45
• 5 volt DC Universal (100~240 Volt) Switching Power Adaptor
• LED Test Function
• Voice Gateway:
• SIPv2 - Session Initiation Protocol Version 2 (RFC 3261, 3262, 3263, 3264)
• SIP Proxy Redundancy - Dynamic via DNS SRV, A Records
• Re-registration with Primary SIP Proxy Server
• SIP Support in Network Address Translation Networks - NAT (including STUN)
• SIPFrag (RFC 3420)
• Secure (Encrypted) Calling via Pre-Standard Implementation of Secure RTP
• Codec Name Assignment
• Voice Algorithms:
• G.711 (A-law and µ-law)
• G.726 (16/24/32/40Kbps)
• G.729 A
• G.723.1 (6.3Kbps, 5.3Kbps)
• Dynamic Payload Support
• Adjustable Audio Frames Per Packet
• DTMF: In-band and Out-of-Band (RFC 2833) (SIP INFO)
• Flexible Dial Plan Support with Inter-Digit Timers
• IP Address / URI Dialing Support
• Call Progress Tone Generation
• Jitter Buffer - Adaptive
• Frame Loss Concealment
• VAD - Voice Activity Detection with Silence Suppression
• Attenuation / Gain Adjustments
• MWI - Message Waiting Indicator Tones
• VMWI - Voice Mail Waiting Indicator - Via NOTIFY, SUBSCRIBE
• Caller ID Support (Name and Number)
• Third Party Call Control (RFC 3725)
• Physical Interfaces:
• 1x 10baseT RJ45 Ethernet Port (IEEE 802.3)
• Handset: RJ-7 Connector
• Built-in Speakerphone and Microphone
• Headset 2.5mm Port
• Security:
• 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)
• Upto 256-bit AES Encryption
• Regulatory Compliance: FCC (Part 15, Class B) , CE, A-Tick, ICES-003
• Dimensions: 7.68 x 7.09 x 6.3 inch / 195 x 180 x 160 mm
• Weight: 2.15 lbs / 0.9752 kg