Project on Digits Extraction

On October 10, 2011, the study project Wählziffern-Extraktion und -Verwertung aus RTP-Strömen unter Verwendung des passiven SIP/SDP Stacks callx (Digit Extraction and exploitation from RTP streams by using the passive SIP/SDP Stack callx) is going to be presented by Herrmann Stünz. A functionality has been developed to enable the callee to tag unwelcome SPAM calls by pushing a button. The digits are being extracted as DTMF-tones directly from the RTP stream and are allocated to a call. The results can be used in the VIAT project for the pre-selection of calls.

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