I believe the newer models support iLBC, but I couldn't get it working.
Josh Patten
Assistant Network Administrator
Brazos County IT Dept.
(979) 361-4676
On 4/20/2010 4:08 PM, Ken Fulmer wrote:
We are using Polycom phones and I don't think they support speex or
ILBC (at least not all the models).
*From:* [email protected]
[mailto:[email protected]] *On Behalf Of *Josh Patten
*Sent:* Tuesday, April 20, 2010 3:57 PM
*To:* [email protected]
*Subject:* Re: [sipx-users] g.729
FYI I just confirmed using the X-Lite Client that FreeSWITCH supports
both the narrowband and wideband speex codecs. From what I understand
it's lower bandwidth than G.729:
http://lists.xiph.org/pipermail/speex-dev/2006-May/004453.html
I couldn't get iLBC to work with FreeSWITCH/Polycom/xLite so I gave up
on it.
Josh Patten
Assistant Network Administrator
Brazos County IT Dept.
(979) 361-4676
On 4/20/2010 1:29 PM, Josh Patten wrote:
Does your ITSP support speex or iLBC? If so, consider the following:
in /etc/sipxpbx/freeswitch/conf/sip_profiles/sipX_profile.xml:
<param name="codec-prefs" value="G722,p...@20i,p...@20i,speex,L16"/>
speex is supported by FreeSWITCH and it's a very robust low bandwidth
codec albeit at some CPU cost. It's also already preconfigured in
sipX's implementation on FreeSWITCH. Adding iLBC should be as simple
as changing that line and possibly a few others in other FreeSWITCH
config files by adding i...@30i* *to that list.
Perhaps you could do G.729 for phone-to-phone calls and then let
FreeSWITCH do speex? Am I missing a reason why this would not be possible?
Josh Patten
Assistant Network Administrator
Brazos County IT Dept.
(979) 361-4676
On 4/20/2010 1:13 PM, Michael Scheidell wrote:
I really ONLY care about AA/Voicemail/Conferencing (since everything
else seems to work).
I am assuming the only time I will need it is in freeswitch, caller
using G.729, hits AA/vmail or conference. I get 4 licenses, I am
assuming 5th concurrent caller (using G.729) will probably not hear
anything. in the case of conferencing, oh well. in the case of AA or
vmail, maybe he will call back.
maybe 10 licenses ($100) isn't all that much to spend if it works.
I thought I did turn off everything in voip.ms except G729 and the
caller can't reach AA or Vmail if the user doesn't answer.
(you on 4.2.0 yet?)
On 4/20/10 2:08 PM, Eric Varsanyi wrote:
I may be misunderstanding your configuration, but it seems like if you
don't care about AA/Voicemail/Conferencing then the freeswitch license
isn't going to help (or hurt) you at all.
If your remote callers would be better off with a different codec you
could try to limit the codecs their endpoint s/w or h/w will allow
(ie: don't advertise g711 at all, just uLaw and g729). If your remote
users are on POTS then your issue is between you and your ITSP and you
could limit your ITSP configuration to the codecs you like (for
instance with voip.ms I can pick which codecs it will accept, I turned
off g711 and gsm so now it always negotiates uLaw which is pretty
good; I wish they had g722 as an option too though).
--
Michael Scheidell, CTO
Phone: 561-999-5000, x 1259
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