default "low delay" voip option in the wizard checks for the low delay flag in the ToS field. If you only have one IP I would enter that one in the rule (or with aliases several IPs of phones) as other apps that set ToS bit's as well might cause conflicts with the low delay option.
Holger > -----Ursprüngliche Nachricht----- > Von: Charles Sprickman [mailto:[EMAIL PROTECTED] > Gesendet: Mittwoch, 4. Januar 2006 03:22 > An: [email protected] > Betreff: [pfSense Support] VoIP, what about RTP? > > > Hi all, > > Just looking at the shaper config and trying a few things out... > > I noticed that the rules for VoIP do indeed match the SIP > port (5060), but > I'm not seeing anything there to actually prioritize the RTP streams. > I've been doing a ton of VoIP stuff for work recently, so > I'll summarize: > > -5060 is the port that SIP uses for signalling, in other > words messages > like "you have a call from this number", your phone placing a > call, call > waiting notification, etc. This is all UDP, so it is > important to not > miss any of this stuff > > -Next, you have a range of high ports (which seems fairly > large and random > up in the 49000-50000) range, although it seems different > phones, switches > and session border controllers may put these ports wherever > they wish. > You can't easily follow these as the SIP signalling channel > tells both > ends what ports to use to send and receive the audio streams > on. Again, > UDP, and jitter and loss will degrade call quality. > > Unless I'm missing something (like pf/altq looking at all ToS > bits and > using those), you're missing the most important part of the > VoIP call - > the actual audio streams... > > Any thoughts on this? I'd be happy to just prioritize all > traffic to/from > my phone's IP. > > Thanks, > > Charles > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > ____________ Virus checked by G DATA AntiVirusKit --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
