Tony Langdon wrote to Brian Rogers <=-

Cool. Yeah I've been around VoIP too long, where packets are tiny and overheads are big as a result, and you pretty much can't go below
around 20kbps on the wire, because of the overheads, even if the
payload is only 2400bps. :)

I wish VoIP used TCP like IAX instead of UDP/Sip :\


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On 05-21-21 00:07, Brian Rogers wrote to Tony Langdon <=-

Tony Langdon wrote to Brian Rogers <=-

Cool. Yeah I've been around VoIP too long, where packets are tiny and overheads are big as a result, and you pretty much can't go below
around 20kbps on the wire, because of the overheads, even if the
payload is only 2400bps. :)

I wish VoIP used TCP like IAX instead of UDP/Sip :\

So a dropped packet would cause it to get stuck, until it was replaced? ;) IAX is 4569/UDP (or I've been doing port forwarding wrong for years ;) ). One of the reasons VoIP uses such small packets, is latency. :)




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Tony Langdon wrote to Brian Rogers <=-

So a dropped packet would cause it to get stuck, until it was replaced?
;) IAX is 4569/UDP (or I've been doing port forwarding wrong for years
;) ). One of the reasons VoIP uses such small packets, is latency. :)

Not at all. You just have a better flow. IAX is 4569/TCP however you can use UDP - why is beyond me though. I have 0 jitter on my line *most* of the time
so I don't have an issue with SIP.

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On 05-22-21 20:39, Brian Rogers wrote to Tony Langdon <=-

Not at all. You just have a better flow. IAX is 4569/TCP however you

Every implementation I've seen uses UDP. Maybe IAX _can_ use TCP, but I haven't seen it used that way.

can use UDP - why is beyond me though. I have 0 jitter on my line
*most* of the time so I don't have an issue with SIP.

Yeah jitter is much lower these days.


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Hey Tony;

Tony Langdon wrote to Brian Rogers <=-

Every implementation I've seen uses UDP. Maybe IAX _can_ use TCP, but
I haven't seen it used that way.

Every one I've seen here stateside uses TCP.

Yeah jitter is much lower these days.

Depends on the ISP too... and your pipe.

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