The Specs

Interface Connection 1 x RJ-7 Headset|2 x RJ-45 10/100Base-TX LAN|1 x Sub-mini phone Headphone
Warranty Information 1 Year
Additional Specifications
Frequency Band PoE support High Quality Handset and Cradle Built-In High Quality Microphone and Speaker Adaptive Jitter Buffer VAD Voice Activity Detection with Silence Suppression Provisioning, Administration, and Maintenance 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 Call Blocking Do Not Disturb Intercom Call Forwarding
Display Color Monochrome
IP Phone Technology VoIP
Backlight Yes
Buttons & Keys 1 x Button - Hold
Voice Codec G.723.1
Number of Network (RJ-45) Ports 2
Total Number of Phone Lines 4
Back Light Yes
Product Model SPA 504G
Network (RJ-45) Yes
Product Series 500
Brand Name Cisco
Communication Protocols SIP v2
Buttons & Keys Type Hold Button
Headset Port Yes
Quick Glance

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