รายละเอียด Cisco IP Phone CP-7841-K9 Standard Warranty 90 Days **สามารถสั่งซื้อเพิ่มได้** Features Connectivity Type: IP/VoIP Line Appearances: 4 Speakerphone: full duplex Conferencing: local multi-party Network Connections: 2x 10/100/1000 Ethernet PoE: yes Protocol Support: SIP Display: backlit 3.5″, grayscale, 396×162 Audio: wideband Aux Interfaces: headset port EHS Support: yes QoS: yes ● Dialing (E.164) ● Abbreviated dial ● Adjustable ringing and volume levels ● Adjustable display contrast ● Agent greeting ● Auto-answer ● Auto-detection of headset (Not available on the IP Phone 7811) ● Busy Lamp Field (BLF) (Not available on the IP Phone 7811) data-sheet-IP Phone 7800 Series
