Deactivation or protection (802.1q) of unused ports (hardphone) Best Practices VoIP-SIP Security

   Some hardphones possess additional network ports to allow connectivity to a computer or other network equipment. The hardphone acting as a hub in these cases, both the attached computer and the hardphone find themselves on the same network or VLAN,
The solution is to deactivate the extra ports or to activate the 801.q protocol on the
hardphone so that the separation between the data and VoIP VLANs is maintained.
Read More:http://www.vadese.org/files/upload/Best_practices_VoIP_en_v20.pdf

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