[asterisk-users] G729 Transcoding problems

[Wireless]

Anyone?  some debugging help would be good.... otherwise I'm in the process of building a new asterisk box and hoping that getting away from Trixbox will help me

CentOS 4.4
Asterisk 1.2.18
Zaptel 1.2.17
X100p (until I'm happy to swop the box into production then I will use my Sangoma A200)
FreePBX 2.2.1 - I happen to like this GUI

Thus far I've found that FreePBX seems much quicker than the Trixbox 2.0 build even with FreePBX upgraded to 2.2.1. Not got the the G729 install yet but I will use the "free" version.  I've also found that the "free" G729 codec also fails in the same way as the Diguim one - so I conclude it is something wrong with my asterisk box.
  ----- Original Message ----- 
  From: Wireless 
  To: asterisk-users at lists.digium.com 
  Sent: Wednesday, May 16, 2007 2:04 PM
  Subject: [asterisk-users] G729 Transcoding problems


  Hi

  I've bought the Digium g729 codec and have installed it correctly (I think)

  >> voip*CLI> show g729
  >> 0/0 encoders/decoders of 3 licensed channels are currently in use

  if I do an echo test either from a sip Cisco 7960 or another hard phone (unbranded) 
  using g729 it sometimes works and sometimes the announcement about the 
  test (echo-test.gsm) fails part way though but the test continues to work ie I can hear the echo test - if Asterisk 
  doesn't crash first!

  If I place a call from the Cisco phone or other phone using g729 / SIP into my * server and then out to my service provider using IAX2 / GSM asterisk restarts and the call fails

  I'm running a Trixbox 2.0 system but I have mannually patched it to
  Asterisk 1.2.18
  Zaptel 1.2.17.1
  Digium HPEC 8 (9 is not working right)
  Sangoma A200 with the wanpipe-3.1.0.p21-zaptel-patched drivers installed

  I've tried recompiling all these too.

  Since installing the g729 I've tried the different cpu types (the 
  machine is a P3 650MHz) and found that the i686 works most reliably.

  any help much appreciated as I've search the Internet and this mailing list and am still stuck

  Harvey

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