VoIP telefonas Linksys Cisco SPA303-G2

Highlights:

• 3-line business-class IP phone

• Connects directly to an Internet telephone service provider or to an IP private branch exchange (PBX)

• Dual switched Ethernet ports, speakerphone, caller ID, call hold, conferencing, and more

• Easy installation and highly secure remote provisioning, as well as menu-based and web-based configuration

• Supports both Session Initiation Protocol (SIP) and Smart Phone Control Protocol (SPCP) with the Cisco® Unified Communications 500 Series

Comprehensive Interoperability and SIP-Based Feature Set

Carrier-Grade Security, Provisioning, and Management

Telephony Features

• Three voice lines

• Pixel-based display: 128 x 64 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

• 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, and 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

• Support for Uniform Resource Identifier (URI) (IP) dialing (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 duration and 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 Serial Tunnel (STUN) support

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

• Syslog, debug, report generation, and event logging

• Support for highly secure encrypted voice communications

• 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

• Dedicated illuminated buttons for:

– Audio mute on/off

– Headset on/off

– Speakerphone on/off

• Four-way rocking directional knob for menu navigation

• Voicemail message waiting indicator 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 LAN ports with integrated Ethernet switch: 10/100BASE-T RJ-45

• 5 VDC universal (100-240V) switching included

Regulatory Compliance

• FCC (Part 15, Class B) , UL, CE Mark, A-Tick

Security Features

• Password-protected system, preset to factory defaults

• 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