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Under heavy loading conditions (for example when a large number of channels show continuous activity due to voiceband data or Group III facsimile signals) the voice interpolation may not be able to operate within a satisfactory quality range - discontinuous signals such as speech being affected by competitive clipping of the initial part of the activity. To combat this DCME may incorporate Dynamic Load Control on a range of input channels. Dynamic load control is a form of back busying to the telephone switch. The DCME's functionality, from the point of view of the telephone switch attached to its local interface, is standardised by ITU-T Recommendation Q.50 . See also Time-assignment Speech Interpolation |
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