METHOD FOR SECURING A VOIP BANDWIDTH OF A CABLE NETWORK, PARTICULARLY WITH REGARDS TO EFFECTIVELY ASSIGNING A BANDWIDTH FOR A VOICE CALL WITHOUT ADDING ANOTHER EQUIPMENT OR UPGRADING SOFTWARE

摘要

A kind of purpose: method, a VoIP bandwidth for fixing a cable television network is provided to the bandwidth that effectively distribution is used for a voice call, the software of another equipment or upgrading will not be added in a cable television network, to guarantee high speech quality, even if many Internet traffics are generated. Construction: a VoIP bandwidth is assigned, by using DOCSISs (data-over-cable service interface specifications) 1.Operation of the operation to being provided from a packet cable standard as a DSA (dynamic Service is additional)/DSC (dynamic Service change)/DSD (dynamic service deletion) functions of 1 standard execute one kind. When the distribution resource by using DSA functions, process is performed as follows. When calling is received, DSA functions are used by generating message according to a calling connection, resource is assigned, including a SDP (Session Description Protocol). When calling is transmitted, resource is assigned according to a calling connection change message of transmission, after the calling connection generation message for not including SDP is transmitted.