New subject: [Serusers] G723.1 vs G729

27 May 2005

Hi,

Do you guys know about any hardphone that support Speex and iLBC codec?
Most of the hardphone in market support G723, G711 and G729.

Thanks,
MOhammad

Original Message:
-----------------
From: Jorge Crichigno jcrichigno(a)conexion.com.py
Date: Fri, 27 May 2005 16:03:23 -0400
To: jh(a)tutpro.com, serusers(a)iptel.org
Subject: Re: [Serusers] G723.1 vs G729

Yes, iLBC has the following variants:

-------------------------------------------------------------------
iLBC - 30 ms (one packet each 30 ms)

  RTP payload: 50 bytes  -->  Transmition rate: 13.3 Kbps 
  RTP: 62 bytes
  UDP: 70 bytes
  IP:  90 bytes --> Transmition rate: 24 Kbps

-------------------------------------------------------------------
iLBC - 20 ms (one packet each 20 ms)

  RTP payload: 38 bytes --> Transmition rate: 15.2 Kbps 
  RTP: 50 bytes
  UDP: 58 bytes
  IP:  78 bytes --> Transmition rate: 31.2 Kbps

-------------------------------------------------------------------

El vie, 27-05-2005 a las 09:45, Juha Heinanen escribiÃ³:
...
  Jorge Crichigno writes:

  In the following link there is a comparison
between some codecs

    http://www.speex.org/comparison.html  
 iLBC has also 20 ms mode which is not listed in the table.

 -- juha 
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