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Patent Searching and Data


Title:
PROCESSING DEVICE, PROCESSING METHOD, AND PROCESSING PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/003892
Kind Code:
A1
Abstract:
A processing device 1 is provided with: a collection unit 121 for collecting SIP signals transmitted/received between network devices routed between an outgoing call terminal and incoming call terminal, regarding a call in which voice degradation has occurred between the outgoing call terminal and incoming call terminal; a generation unit 122 that extracts identifiers for network devices designated, in the collected SIP signals, as transmission destinations for RTP packets pertaining to the call, and generates route data 105 specifying the identifiers for the network devices through which the RTP packets were routed; and a specification unit 123 that compares the RTP packets transmitted/received by the network devices specified in the route data 105 and specifies suspected sites where RTP packet loss occurred.

Inventors:
SAWADA AKIHIKO (JP)
Application Number:
PCT/JP2020/025960
Publication Date:
January 06, 2022
Filing Date:
July 02, 2020
Export Citation:
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Assignee:
NIPPON TELEGRAPH & TELEPHONE (JP)
International Classes:
H04L12/70
Foreign References:
JP2007068093A2007-03-15
JP2007116516A2007-05-10
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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