The Cisco SPA303 is a 3-line VoIP phone that includes traditional features such as call forwarding, redialing, speed dialing, transferring calls, conference calling, and accessing voice mail. The SPA303 supports both Session Initiation Protocol (SIP) and Smart Phone Control Protocol (SPCP) with the Cisco Unified Communications 500 Series.
Display: 128 x 64 monochrome LCD graphical display with backlight
Call Appearance: Three voice lines
Fixed Feature Buttons: Mute (illuminated), Headset (illuminated), Speakerphone (illuminated), Voicemail, Hold, Settings, and Volume Control
Navigation Keys: 4-way rocking directional knob for menu navigation
Programmable Softkeys: 4 buttons
Button Module Expansion: No, does not support the Cisco SPA500S or SPA500DS Expansion Modules
Speakerphone: Includes high-quality, 2-way speakerphone
Wall-Mountable: Yes, requires optional Cisco MB100 Wall Mount Bracket
Ethernet Connectivity: Dual Ethernet (10/100) line interface (PC Pass Through & Network Connection)
Headset Port: Includes 2.5mm port
Message Waiting Indicator: Yes
Adjustable Tilt Display: No
Call Logs: 60 entries of each (made, answered, missed calls)
Network: 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])
Powered via 5V DC power supply (included)
DOES NOT support Power-over-ethernet (PoE)
SIP Protocol – Compatible with a wide variety of open source PBX systems or Hosted Cloud Solutions (Vonage Business, Ring Central, Nextiva, 8x8, etc)
SPCP Protocol – Compatible with Cisco Unified Communications 300 and 500 Platform
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UPS Ground - 1-5 days depending on delivery distance (see Ground services map
UPS 3 Day Select – by 4:30 p.m. third business day to most US addresses
UPS 2 Day Air - by 4:30 p.m. second business day to most US addresses
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UPS Next Day Air - by 10:00 a.m. next business day to most US addresses