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cisco ip phone 7940G
main function | Interactive soft keys can provide context-based call options; can provide a variety of applications in the display by using open API of XML; automatic telephone search, VLAN configuration and registeration; by supporting 802.1Q / p, provides quality of service (QoS ), And configurable DIFFSERV and TOS; voice activity detection, silence suppression, comfort noise generation and error concealment, etc. |
network protocol | G.711a,G.711u,G.729ab |
eletricity standard | Feeder Supply |
Appearance standard | |
Size | 203.2×266.7×152.4mm |
Weight | 1.6Kg |
Environmental condition | |
Working temperature | 0-40°C |
Storage temperature | -10-60°C |
Relative Humidity | 10-95% |
cisco ip phone 7940G