[cisco-voip] Silly question...

[Paul Choi]

Actually, I meant 120ms one way making it 240ms
roundtrip. . .  that's the maximum RTT ping response
you'd be looking for. 300ms might be acceptable for
some, but for most, I doubt it.


--- Jonathan Charles <jonvoip at gmail.com> wrote:

> OK, here's the thing.
> 
> This morning, if you had asked me this question, I
> would have bet
> serious amounts of cash that the MAXIMUM ROUND TRIP
> DELAY was 150ms.
> 
> Now, I am seeing that it is ONE WAY, with a maximum
> of 300ms round
> trip... that is insane.
> 
> 
> 
> 
> Jonathan
> 
> On Fri, Feb 29, 2008 at 4:05 PM, Keith Klevenski
> <keith.klevenski at rig.net> wrote:
> > We use g729 everywhere and cRTP in some instances
> as it causes some problems sometimes.  Just got off
> the phone configuring cRTP on a rig router in hopes
> to help that saturated 192k link...
> >
> >
> >  Keith Klevenski
> >  Senior IP Telephony Engineer
> >  RigNet Inc.
> >  1880 S. Dairy Ashford
> >  Suite 300
> >  Houston, TX 77077
> >  Office:   +1 281.674.0702
> >  Mobile:  +1 713.677.3925
> >  http://www.rig.net
> >
> >  "Always Connected"
> >
> >
> >  -----Original Message-----
> >
> > From: James Buchanan [mailto:jbuchanan at ctiusa.com]
> >
> >
> > Sent: Friday, February 29, 2008 3:34 PM
> >  To: jason.aarons at us.didata.com; Keith Klevenski;
> jonvoip at gmail.com; cisco-voip at puck.nether.net
> >  Subject: Re: [cisco-voip] Silly question...
> >
> >  Were they using cRTP and G729?
> >
> >  ----- Original Message -----
> >  From: cisco-voip-bounces at puck.nether.net
> <cisco-voip-bounces at puck.nether.net>
> >  To: Keith Klevenski <keith.klevenski at rig.net>;
> Jonathan Charles <jonvoip at gmail.com>; cisco-voip
> <cisco-voip at puck.nether.net>
> >  Sent: Fri Feb 29 16:29:21 2008
> >  Subject: Re: [cisco-voip] Silly question...
> >
> >  We worked with a US company that put 7960s on a
> oil platform in the Gulf of Mexico via satellite.
> Ping was about 500-600ms, but they said the phone
> quality was good, and cost less than satellite
> phones.
> >
> >  -----Original Message-----
> >  From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On
> Behalf Of Keith Klevenski
> >  Sent: Friday, February 29, 2008 4:25 PM
> >  To: Jonathan Charles; cisco-voip
> >  Subject: Re: [cisco-voip] Silly question...
> >
> >  I believe Cisco recommends 150ms maximum one way
> delay which of course is 300ms round trip.  We do
> voip over satellite links of anywhere from 600-800ms
> with excellent quality.  There is usually a second
> or so of delay that you have to get used to, but
> sometimes it is hardly noticeable and the quality is
> excellent.  Considering there is a 40K mile hop from
> the teleport to the satellite and back down to the
> dish it is impressive how well it actually works.
> >
> >  Keith Klevenski
> >  Senior IP Telephony Engineer
> >  RigNet Inc.
> >  1880 S. Dairy Ashford
> >  Suite 300
> >  Houston, TX 77077
> >  Office:   +1 281.674.0702
> >  Mobile:  +1 713.677.3925
> >  http://www.rig.net
> >
> >  "Always Connected"
> >
> >
> >  -----Original Message-----
> >  From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On
> Behalf Of Jonathan Charles
> >  Sent: Friday, February 29, 2008 2:51 PM
> >  To: cisco-voip
> >  Subject: [cisco-voip] Silly question...
> >
> >  OK, really quick, what is the maximum recommended
> ROUND TRIP delay for
> >  decent voice quality?
> >
> >
> >
> >
> >
> >  Jonathan
> >  _______________________________________________
> >  cisco-voip mailing list
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> > 
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