Qvis Pioneer-4 User Manual page 52

【UPNP】:
UPNP protocol allows you to auto port forwarding on router The precondition of
using this function is to make sure the UPNP function of router is enabled.

【Enable】: Choose Enable to make sure all UPNP settings are available

【HTTP】: Router will automatically distribute HTTP port for the device,
during web browser viewing.

【TCP】: Router will automatically distribute TCP port for the device,
when monitoring via CMS.

【Mobile Port】: Router will automatically distribute Mobile Port for the
device when using your smart phone to monitor the DVR.
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UPNP
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