On Fri, Feb 12, 2010 at 3:29 PM, Brian West <brian@freeswitch.org> wrote:
This is a rather broad assumption.  I have seen 40ms, 60ms and even 80ms in the wild.  It all depends on what you want to do.  It lowers overhead and increases efficiency on the wire.

/b

On Feb 12, 2010, at 5:24 AM, Nikolay Kondratyev wrote:

By the way, I know that one can use different packetization times for the same codec, but I’ve never heard, that somebody really uses 30 ms for G711Alaw. Always 20ms.
 

everything above 60 ms is a nonsense ... and ugly :) It screws your voice quality not even thinking VBD (voice band data) over that line :).

Anyhow, Nikolay, your problem is broken IPO h323 stack and the know avaya "flexibility" when interoping with other vendor equipments. Here IPO is unable to negotiate a different framing size than the default and sadly this is the core of the problem.

Please, can you send me two tcpdump captures of calls between IPO and FS:
  1. a capture with fast start & h245tunneling=true
  2. a captire with fast start & h245tunelling=true + h245inSetup

I just want to be sure of something.

T.

 


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