HFSC traffic shapping for VoIP gives less jitter. Home Page › Forums › Network Management › ZeroShell › HFSC traffic shapping for VoIP gives less jitter. This topic contains 1 reply, has 0 voices, and was last updated by olivier1010 9 years, 11 months ago. Viewing 1 post (of 1 total) Author Posts March 25, 2009 at 12:09 am #41574 olivier1010Member Would it be difficult to implement HFSC traffic shapping, mainly for VoIP, as HTB does not provide timing garanties about the packets delivery times ? Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.