headcall knowledge base

headcall tools to lookup ip address of hardware, translate the format of voice file
visit hardware such as IP Phone and gateway
upgrade for IP Phone and gateway
dialing rule, shortcuts, extensions
call forwarding
report status
forward on conditions: busy or offline
encrypted call
suing proxy of SOCK 5
configure IP address, network, DNS
making headcall voice file
how to improve the quality of call

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2012-05-19 21:35:44 Beijing; 05-19 13:35:44 GMT; 05-19 5:35:44 PST