[Asterisk-Users] use of SIP SHOW CHANNELS question

Adam Hart adam at teragen.com.au
Sun Oct 19 21:24:39 MST 2003


Yep, asterisk times how long each codec takes to translate a second worth of
voice, obviously only on codecs you have installed

> I think the system calculates the cost in CPU milliseconds to translate
each
> codec with another one. In different machines (slower or faster), the
costs
> vary.
> The machine that have G.729 codec loaded is a Pentium III 733 MHz, 128MB.
>
> I assume this is a way to know which codecs was loaded, because if I
unload
> G.729 codec disappears from 'show translation' printout. But, who knows...
>
> Regards,
>
> Gus
>
>
> ----- Original Message -----
> From: "Andrew Joakimsen" <andrew at envisionstudio.net>
> To: <asterisk-users at lists.digium.com>
> Sent: Monday, October 20, 2003 12:59 AM
> Subject: RE: [Asterisk-Users] use of SIP SHOW CHANNELS question
>
>
> > Why is mine different?
> >
> > localhost*CLI> show translation
> >          Translation times between formats (in milliseconds)
> >           Source Format (Rows) Destination Format(Columns)
> >
> >            G723    GSM   ULAW   ALAW  ADPCM  SLINR  LPC10  G729A  SPEEX
> > ILBC
> >     G723      -     45     41     41     41     40     46      -      -
> > 73
> >      GSM    713      -      2      2      2      1      7      -      -
> > 34
> >     ULAW    713      6      -      1      2      1      7      -      -
> > 34
> >     ALAW    713      6      1      -      2      1      7      -      -
> > 34
> >      MP3    723     16     12     12     12     11     17      -      -
> > 44
> >    ADPCM    713      6      2      2      -      1      7      -      -
> > 34
> >    SLINR    712      5      1      1      1      -      6      -      -
> > 33
> >    LPC10    717     10      6      6      6      5      -      -      -
> > 38
> >    G729A      -      -      -      -      -      -      -      -      -
> > -
> >    SPEEX      -      -      -      -      -      -      -      -      -
> > -
> >     ILBC    718     11      7      7      7      6     12      -      -
> > -
> >
> > Notice the G723 almost 4x higher.
> >
> >
> > > -----Original Message-----
> > > From: asterisk-users-admin at lists.digium.com [mailto:asterisk-users-
> > > admin at lists.digium.com] On Behalf Of CW_ASN
> > > Sent: Sunday, October 19, 2003 11:43 PM
> > > To: asterisk-users at lists.digium.com
> > > Subject: Re: [Asterisk-Users] use of SIP SHOW CHANNELS question
> > >
> > > pamAssassin 2.55 (1.174.2.19-2003-05-19-exp)
> > >
> > > How about 'show translations' command?
> > >
> > > This machine doesn't have G.729 codec licenses...
> > > AFAIK, this command calculates the cost for each translation...
> > >
> > > noc2pbx*CLI> show translation
> > >          Translation times between formats (in milliseconds)
> > >           Source Format (Rows) Destination Format(Columns)
> > >
> > >            G723    GSM   ULAW   ALAW  ADPCM  SLINR  LPC10  G729A
> > SPEEX
> > > ILBC
> > >
> > > 23      -      -      -      -      -      -      -      -      -
> > -
> > >      GSM      -      -      2      2      2      1     13      -
> > -
> > > 38
> > >     ULAW      -      6      -      1      2      1     13      -
> > -
> > > 38
> > >     ALAW      -      6      1      -      2      1     13      -
> > -
> > > 38
> > >      MP3      -     15     11     11     11     10     22      -
> > -
> > > 47
> > >    ADPCM      -      6      2      2      -      1     13      -
> > -
> > > 38
> > >    SLINR      -      5      1      1      1      -     12      -
> > -
> > > 37
> > >    LPC10      -      9      5      5      5      4      -      -
> > -
> > > 41
> > >
> > > 9A      -      -      -      -      -      -      -      -      -
> > -
> > >
> > > EX      -      -      -      -      -      -      -      -      -
> > -
> > >     ILBC      -     11      7      7      7      6
> > > 8      -      -      -
> > > noc2pbx*CLI>
> > >
> > > And this machine has G.729 loaded:
> > >
> > > noc2pbx2*CLI> show translation
> > >          Translation times between formats (in milliseconds)
> > >           Source Format (Rows) Destination Format(Columns)
> > >
> > >            G723    GSM   ULAW   ALAW  ADPCM  SLINR  LPC10  G729A
> > SPEEX
> > > ILBC
> > >     G723      -     62     56     56     56     55     64    106
> > -
> > > 106
> > >      GSM    240      -      3      3      3      2     11     53
> > -
> > > 53
> > >     ULAW    239      8      -      1      2      1     10     52
> > -
> > > 52
> > >     ALAW    239      8      1      -      2      1     10     52
> > -
> > > 52
> > >      MP3    258     27     21     21     21     20     29     71
> > -
> > > 71
> > >    ADPCM    239      8      2      2      -      1     10     52
> > -
> > > 52
> > >    SLINR    238      7      1      1      1      -      9     51
> > -
> > > 51
> > >    LPC10    245     14      8      8      8      7      -     58
> > -
> > > 58
> > >    G729A 100237 100006 100000 100000 100000  99999 100008      -
> > -
> > > 100050
> > >
> > > EX      -      -      -      -      -      -      -      -      -
> > -
> > >     ILBC    247     16     10     10     10      9     18
> > > 0      -      -
> > > noc2pbx2*CLI>
> > >
> > >
> > >
> > > Regards,
> > >
> > > Gus
> > >
> > > ----- Original Message -----
> > > From: "Tilghman Lesher" <tilghman at mail.jeffandtilghman.com>
> > > To: <asterisk-users at lists.digium.com>
> > > Sent: Sunday, October 19, 2003 11:44 PM
> > > Subject: Re: [Asterisk-Users] use of SIP SHOW CHANNELS question
> > >
> > >
> > > > On Sunday 19 October 2003 21:30, Andrew Kohlsmith wrote:
> > > > > > *CLI> show codec 4
> > > > > > No such command 'show codec' (type 'help' for help)
> > > > > > *CLI> show audio codecs
> > > > > > No such command 'show audio' (type 'help' for help)
> > > > >
> > > > > Rebuild your system.  I had that happen and my Makefile was
> > screwed
> > > > > up and didn't actually build any codecs.
> > > >
> > > > Stop already.  The command serves only as a translation table.  It
> > does
> > > > NOT, repeat NOT, repeat NOT, suggest anything about which codecs
> > > > are actually loaded.
> > > >
> > > > If you actually run this now, you should get the following message
> > on
> > > > your console (put there SPECIFICALLY because people were confusing
> > > > what the command actually does):
> > > >
> > > > Disclaimer: this command is for informational purposes only.
> > > >         It does not indicate anything about your configuration.
> > > >
> > > > -Tilghman
> > > >
> > > > _______________________________________________
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> > > > Asterisk-Users at lists.digium.com
> > > > http://lists.digium.com/mailman/listinfo/asterisk-users
> > >
> > >
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> >
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>
>
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