Bad Soundquality after installing ServicePack2 (SP2) for Window XP, especially with PPP and VPN connections (kb2847)
The information in this article applies to:
- Microsoft Windows XP Professional
- SwyxIt! all versions
- SwyxWare all versions
SymptomsAfter the installation of service pack 2 for Windows XP the audio quality of calls via SwyxIt! is very bad, especially with PPP and VPN connections. Also using UMTS cards causes broken or no audio streams at all.
CauseUnfortunately Microsoft introduced a bug with Service Pack 2 for Windows XP regarding the handling of audio pakets, which should be transmitted and received with quality of service (QoS). Versions of Windows XP older than Service Pack 2 are not affected.
ResolutionMicrosoft offers a workaround and a hotfix for the above problem. More details can be found inside the Microsoft KB
StatusHas been fixed with new version.
- Windows XP SP2 Hotfix 886809 (English)
- Windows XP SP2 Hotfix 886809 (German)
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