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Cisco Cisco IP Phone 7912G
Cisco Cisco IP Phone 7912G
Cisco Cisco IP Phone 7912G Cisco Cisco IP Phone 7912G  
Cisco Cisco IP Phone 7912G
»รองรับมาตรฐานH.323 เวอร์ชั่น2 ,SIP (RFC 2543)
»ความเร็วในการส่งถ่ายข้อมูลทั้งแบบ 10และ 100เมกะบิตต่อวินาที
»รองรับการทำ DHCP ระบบ Virtual LANผ่านระบบอินเตอร์เน็ต

  Cisco Cisco IP Phone 7912G Customer Review
Customer Review
  Cisco Cisco IP Phone 7912G Product Specification
Standard/Type Network SIP (RFC 2543)
Speed 10/100Mbps
Fax Protocol H.323 v2.0 Compliant
Fax Command Set Automatically FAX detection,Group 3 FAX relay
Error Control Bad Frame Interpolation,echo calcellation
Data Compression G.711 A/u-Law, G.723.1, G729A, G.729
Flow Control Inband and H.245 Outband DTMF generation/detection
S/W Control Dial tone,busy tone, call-holding tone and ring-back tone
Diagnostics Display contrast ,Network Configuration, Ring Type
Voice Function VAD, CNG,G.168 /165 compliant
Power Supply Input Voltage 48VDC
Power Consumption Internal AC input, DC output adapter
Dimension (WxHxD) 20.3 x 17.67 x 15.2 cm
Weight 0.9 kg
Temperature 32° to 104° F (0° to 40° C)
Humidity 10% to 95% (non-condensing)
Certifications FCC Part 68,IC CS-03
Other Cisco Discovery Protocol
Automatic IEEE 802.1q (virtual LAN [VLAN]) configuration
G.711a, G.711u, and G.729ab audiocompression coders-decoders (codecs)
Integrated Ethernet switch
10/100BASE-T Ethernet connection through an RJ-45 interface for LAN connectivity
Software upgrade supported using a Trivial File Transfer Protocol (TFTP) server
Provisioning of network parameters through Dynamic Host Configuration Protocol (DHCP)
Voice activity detection, silence suppression, comfort-noise generation, and error concealment

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