Re: [Asterisk-Users] Installing the none commercial intel g729codecs into [EMAIL PROTECTED] 2.2?

[Franz Bräuer]

Hi,

Douglas Garstang wrote:
 Hang on there's a non commercial G729 codec that will work with Asterisk? 
 Can someone point me to where I can find it?

Check out
  http://www.voip-info.org/wiki-Asterisk+G.729+Licensing
The binaries from
  http://kvin.lv/pub/Linux/Asterisk/
work for me (* 1.2.2 from svn, Debian), installing from source didn't.

HTH, Franz
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Re: [Asterisk-Users] Installing the none commercial intel g729 codecs into [EMAIL PROTECTED] 2.2?

[Franz Bräuer]

Hi,

MapsAir wrote:
 Has anyone successfully Installing the none commercial intel g729 codecs
 into [EMAIL PROTECTED] 2.2?

Installed them today. Installing from source didn't work for me (Debian,
Asterisk 1.2 from svn) but just adding the binaries (see the wiki on
voip.org) did the job. Have you already tried the binaries?

HTH, Franz
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[Asterisk-Users] Cisco 7912G SIP phone and Asterisk double RTP packets

[Franz Bräuer]

Hi there,

i did some tests with two Cisco 7912G phones (SIP stack) yesterday. With
both ethereal and tcpdump listening on the Asterisk-Server's NIC, it
came up that all RTP packets were doubled, with some small but almost
constant delay (~460 us).
The setup is
  7912G -- ASTERISK -- 7912G

The tcpdump output shows RTP traffic ASTERISK -- 7912G:

00 IP $ASTERISK.17944  $DEST.16384: udp/rtp 160 c0  4851 0
000279 IP $ASTERISK.17944  $DEST.16384: udp/rtp 160 c0  4851 0
006736 IP $ASTERISK.17944  $DEST.16384: udp/rtp 160 c0  4852 160
000460 IP $ASTERISK.17944  $DEST.16384: udp/rtp 160 c0  4852 160
015967 IP $ASTERISK.17944  $DEST.16384: udp/rtp 160 c0  4853 320
000460 IP $ASTERISK.17944  $DEST.16384: udp/rtp 160 c0  4853 320
019229 IP $ASTERISK.17944  $DEST.16384: udp/rtp 160 c0  4854 480
000458 IP $ASTERISK.17944  $DEST.16384: udp/rtp 160 c0  4854 480
019679 IP $ASTERISK.17944  $DEST.16384: udp/rtp 160 c0  4855 640
000459 IP $ASTERISK.17944  $DEST.16384: udp/rtp 160 c0  4855 640
^^ time delta in micro-seconds
  ^^^
  Sequence No |||
Timestamp

Since sequence number and timestamp are equal for every two consecutive
packets, and the payload is completely the same as i discovered using
ethereal, it's obvious to me that this is one RTP stream, but two times
sent.
This doesn't occur using X-Lite.
It's the same issue with SIP requests, the Cisco phones send two equal
INVITES when you make a call (not so with X-Lite).

My questions: Is this normal behaviour (i guess not)? What is the
problem, the Cisco phones, Asterisk, tcpdump/ethereal...?
Why are the calls not bridged between the two phones (RTP traffic just
between the end-users) as they are when i use two X-Lite clients?

I hope you have some answers to my problem :-)

Thanks in advance,

Franz
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