The Cisco SPA501G provides comprehensive interoperability with Cisco UC300 and UC500 systems as well with SIP compatible equipment from VoIP infrastructure leaders.
8 voice lines with 4 independent SIP registrations
Paper label insert for buttons to indicate speed dials, shared lines, or extensions
User interface driven by Interactive Voice Response (IVR)
Supports wideband audio
Fixed features include mute, hold, headset, settings, redial, transfer, conference and volume control
Voicemail retrieval button and message waiting light
Built-in high quality microphone, full-duplex speakerphone, and integrated 2.5 mm headset jack
2 Ethernet LAN ports with integrated switch (100BASE-T)
Can add up to two Cisco SPA500S
Expansion Modules for 64 additional buttons
Powered via 802.3af PoE or optional 5V DC power supply (sold separately)
SIP compatible for use with open source IP PBX platforms and hosted telephony solutions
SPCP compatible for use with Cisco Unified Communications 300 (UC300) and 500 (UC500) Series for Small Business