Hello. I have been searching the archives for a simple, clear listing of the available codecs with total size, plus the data and overhead sizes. Does anyone have this handy, and can it be added somewhere, even the wiki. Regards...Martin -- The system will be down for 10 days for preventive maintenance.
Philipp von Klitzing
2003-Dec-05 19:11 UTC
[Asterisk-Users] asterisk codec sizes, data plus overhead
Hi!> I have been searching the archives for a simple, clear listing of the > available codecs with total size, plus the data and overhead sizes. > > Does anyone have this handy, and can it be added somewhere, even the wiki.Taken from older postings on this list Philipp VoIP Bandwidth calculator http://www.packetizer.com/iptel/bandcalc.html Depends on the phone.. If you are using a Grand Stream then the best you will get is G.711 (+- 85Kb/s including overheads).. If you are using Snom's or X-Lite/X-Pro you have the option to use the GSM (+- 34Kb/s including overheads) codec.. X-Lite/X-Pro also support iLBC (+- 28Kb/s including overheads) although it does not currently work with Asterisk, and GrandStream have said they are going to support it as well soon.. All the phones have support for G.729 (+- 22Kb/s) either as standard or by buying a sepertate licence.. Including Asterisk.
On Friday 05 December 2003 08:40 pm, marrandy wrote:> > Hello. > > I have been searching the archives for a simple, clear listing of the > available codecs with total size, plus the data and overhead sizes. > > Does anyone have this handy, and can it be added somewhere, even the wiki. > > Regards...MartinIn the meantime, I've pulled information that may, or may not be correct. If people can verify or add to this, it would be appreciated. --------------------------------------------------------------------- Codec Total Bandwidth (kbps) --------------------------------------------------------------------- G711alaw 80 G711ulaw 80 G723ar53 22 G723ar63 23 G723r53 22 G723r63 23 G723r16 32 G726r24 40 G726r32 48 G728 32 -- You're not my type. For that matter, you're not even my species!!!