[asterisk-users] cisco ip phne 7911G with asterisk

Mon Jan 21 09:49:16 CST 2008

On Fri, Jan 18, 2008 at 08:48:56AM -0500, Anciso, Roy wrote:
> I'm running Asterisk 1.4.17 and as far as I know it only happens on the
> 7911g.  And it's only issue when a user from a 7911g phone is leaving a
> message. Calls between sip users and PSTN sound good.   
> 

The problem I had was caused by an apperantly bad implementation of the
PCMA codec in the version of SIP firmware that I used  (SIP11.8-0-3). I
have to use PCMU codec (ulaw) in order to avoid the sound problems in
the SIP calls.

could this also be the problem of the voicemail?

Regards,

> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Christian
> Pinedo Zamalloa
> Sent: Friday, January 18, 2008 8:22 AM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [asterisk-users] cisco ip phne 7911G with asterisk
> 
> On Wed, Jan 16, 2008 at 10:26:04AM -0500, Anciso, Roy wrote:
> > Now that you have your 7911g phone up running, would you mind checking
> > the audio quality when leaving a voicemail for on another local
> asterisk
> > user from this phone? I have a 7911g and I hear loud audio taps from
> the
> > phone.  The 7961g phone doesn't have this issue.  I'm just trying to
> > rule out the phone.  
> > Thanks
> > 
> 
> I would try if a I have more time. Nowadays I have problems with the
> sound quality in the conversatio. 7941g with SIP-8-0-3 firwmware sounds
> well but 7911G with the same firmware version sounds really bad in an
> Asterisk 1.2.15. I listen echo and noise taps when I talk with other sip
> users of the same Asterisk.
> 
> I have test the phone with the same firmware againts the lastest version
> of Asterisk (subversion stable tree) and there is no problem with the
> sound quality.
> 
> Do you know what is the problem in this case? Or if there is a bug in
> Asterisk 1.2 that could affect in that way the audio quality?
> 
> Thanks,
> 
> However againts the 1.4.17 version there is no problem
> > -----Original Message-----
> > From: asterisk-users-bounces at lists.digium.com
> > [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of
> Christian
> > Pinedo Zamalloa
> > Sent: Wednesday, January 16, 2008 10:16 AM
> > To: Asterisk Users Mailing List - Non-Commercial Discussion
> > Subject: Re: [asterisk-users] cisco ip phne 7911G with asterisk
> > 
> > On Tue, Jan 15, 2008 at 01:14:42PM +0000, Christian Pinedo wrote:
> > > hi,
> > > 
> > > I'm trying to configure a Cisco IP Phone 7911G in order to work with
> > Asterisk. I have loaded the 8.3.3 SIP Firmware of Cisco through a DHCP
> > and a TFTP server. All seems ok  but a file that is downloaded :
> > term06.default.loads (I understand that is for 7906 model) instead of
> > term11.default.loads (I understand that is for 7911 model). In any
> case
> > the phone reboots well.
> > > 
> > > At this moment I thought that the phone should ask the
> > SEP<mac>.xml.cnf file but it asks CTLSEP<mac>.tlv all the time. I
> don't
> > have this file in the server and it tries to download every few
> seconds
> > whitout asking another file. According to what I have read this file
> > shouldn't be neccesary and, when the phone cann't obtain it, the phone
> > should ask SEP<mac>.xml.cnf. I don't know if I'm doing something bad
> or
> > if it could be a issue of the firmware version.
> > > 
> > > I would thank some clue. Thanks,
> > >  
> > 
> > It was a TFTP server issue. The classical TFTP server used in the unix
> > world responds to queries with bad error codes. I finally
> > used aTFTPD that does this well so the phone understands that there's
> no
> > CTLSEP file and then asks for SEP file.
> > 
> > -- 
> > Christian Pinedo Zamalloa (zako)
> > PGP key at:
> http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x828D0C80
> > Fingerprint: 7BFF 4105 F46B 7977 BD96  348C 1007 4FF8 828D 0C80
> > 
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> 
> -- 
> Christian Pinedo Zamalloa (zako)
> PGP key at: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x828D0C80
> Fingerprint: 7BFF 4105 F46B 7977 BD96  348C 1007 4FF8 828D 0C80
> 
> _______________________________________________
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-- 
Christian Pinedo Zamalloa (zako)
PGP key at: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x828D0C80
Fingerprint: 7BFF 4105 F46B 7977 BD96  348C 1007 4FF8 828D 0C80
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