Posts Tagged ‘Capsa;network analysis;VoIP analysis’

Colasoft Announces Update to Capsa v10.0

May 11th, 2018 No comments

July 26, 2017 – Colasoft, a leading provider of innovative and affordable network analysis solutions, today announced the release of Colasoft Capsa Network Analyzer v10.0 which comes with significant improvements of VoIP Analysis and TCP Conversation Analysis.

With the improvements of this new version, Capsa v10.0 supports SIP and H.323 protocols, which provides the ability to play back voice and video files and display VoIP call statistics. To show more detailed VoIP statistics, new VoIP charts, VoIP report modules, and VoIP diagnosis events are added to this new version.

TCP Conversation view adds a column Interaction Diagram, which displays the packets interaction status for each TCP conversation. With the new version, TCP flow analysis optimizes the algorism for TCP transactions and adds new metrics for TCP transactions, which facilitate the analysis of TCP transactions.

New Features:

  • An Interaction Diagram column and a Transport Layer Max ACK Time column are added for TCP Conversation view.
  • A Payload column is added for TCP Conversation view and Packet view.
  • Audio and video can be played for SIP VoIP calls based on following codecs: G.711/a, g.711/u, GSM, BV32, Speex, PCM, H.264 (unencrypted), H.263(unencrypted), Mp4v-es.
  • Audio and video can be played for H.323 VoIP calls based on following codecs: G.711/a, g.711/u, GSM, H.264(unencrypted), H.263 (unencrypted).


  • VoIP analysis is improved to support both SIP and H.323 protocol.
  • MAC address library and IP address library have been updated.
  • The calculation for TCP conversation metrics has been updated.
  • Average bps, average utilization, and average pps are added for traffic statistics.
  • Packet timestamp supports nanosecond, and some statistics are accurate to nanosecond.

A free trial of Capsa network analyzer v10.0 is available for download at