[asterisk-ss7] Libss7 and echo on Extensions
Christopher Bautista
cab.globalsoftph at gmail.com
Sun Apr 13 22:09:32 CDT 2008
Hi Everyone
Thanks for the replies.
I'll try the patch. I'll post my findings ASAP.
Chris
On 4/12/08, asterisk-ss7-request at lists.digium.com <
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> 2. Re: Libss7 and echo on Extensions (Christopher Bautista)
> 3. Re: Libss7 and echo on Extensions (Daniel Bichara)
> 4. Re: Libss7 and echo on Extensions (Anton)
> 5. Re: Libss7 and echo on Extensions (Matthew Fredrickson)
> 6. Re: Libss7 and echo on Extensions (Matthew Fredrickson)
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> Message: 1
> Date: Thu, 10 Apr 2008 17:33:55 -0500
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> ------------------------------
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> Message: 2
> Date: Fri, 11 Apr 2008 09:55:58 +0800
> From: "Christopher Bautista" <cab.globalsoftph at gmail.com>
> Subject: Re: [asterisk-ss7] Libss7 and echo on Extensions
> To: asterisk-ss7 at lists.digium.com
> Message-ID:
> <a8c496200804101855h4dbc94f1mc1867c3e2d301c7a at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hi guys
>
> Update:
>
> > PSTN -> Asterisk -> SIP extensions
>
> landline to sip extension ..... noticeable echo
> mobile to sip extension ..... no echo
>
> > PSTN -> Asterisk -> PSTN ..... no echo
> > SIP -> Asterisk -> SIP ..... no echo
>
> > SIP -> Asterisk -> PSTN .... no echo
>
> I hope someone can help me.
>
> Thanks
>
> Chris
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> ------------------------------
>
> Message: 3
> Date: Thu, 10 Apr 2008 23:01:39 -0300
> From: "Daniel Bichara" <daniel at bichara.com.br>
> Subject: Re: [asterisk-ss7] Libss7 and echo on Extensions
> To: asterisk-ss7 at lists.digium.com
> Message-ID:
> <70339e80804101901g72cd8934s35ee2ddea29de091 at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Dear Christopher,
>
> We had same issue couple of months ago. We detected SS7 was not starting
> echo canceller.
>
> We produced a patch and I guess Matthew commited to trunk version. Please,
> refer to bugs.digium.com and check the patch.
>
> []?s
>
> Daniel
>
>
>
> On Thu, Apr 10, 2008 at 10:55 PM, Christopher Bautista <
> cab.globalsoftph at gmail.com> wrote:
>
> > Hi guys
> >
> > Update:
> >
> > > PSTN -> Asterisk -> SIP extensions
> >
> > landline to sip extension ..... noticeable
> echo
> > mobile to sip extension ..... no echo
> >
> > > PSTN -> Asterisk -> PSTN ..... no echo
> > > SIP -> Asterisk -> SIP ..... no echo
> >
> > > SIP -> Asterisk -> PSTN .... no echo
> >
> > I hope someone can help me.
> >
> > Thanks
> >
> > Chris
> >
> > _______________________________________________
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> > asterisk-ss7 mailing list
> > To UNSUBSCRIBE or update options visit:
> > http://lists.digium.com/mailman/listinfo/asterisk-ss7
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> ------------------------------
>
> Message: 4
> Date: Fri, 11 Apr 2008 11:05:03 +0500
> From: Anton <anton.vazir at gmail.com>
> Subject: Re: [asterisk-ss7] Libss7 and echo on Extensions
> To: asterisk-ss7 at lists.digium.com
> Cc: Christopher Bautista <cab.globalsoftph at gmail.com>
> Message-ID: <200804111105.03503.anton.vazir at gmail.com>
> Content-Type: text/plain; charset="iso-8859-6"
>
> Mobile operators operates own echocancellers on every
> channel, but not landlines. I operate chan_ss7 witch
> SANGOMA cards with HW echocanceller - and it helps on
> landlines.
>
> On Friday 11 April 2008 06:55, Christopher Bautista wrote:
> > Hi guys
> >
> > Update:
> > > PSTN -> Asterisk -> SIP extensions
> >
> > landline to sip extension .....
> > noticeable echo mobile to sip extension
> > ..... no echo
> >
> > > PSTN -> Asterisk -> PSTN ..... no
> > > echo SIP -> Asterisk -> SIP
> > > ..... no echo
> > >
> > > SIP -> Asterisk -> PSTN .... no
> > > echo
> >
> > I hope someone can help me.
> >
> > Thanks
> >
> > Chris
>
>
>
> ------------------------------
>
> Message: 5
> Date: Fri, 11 Apr 2008 09:51:21 -0500
> From: Matthew Fredrickson <creslin at digium.com>
> Subject: Re: [asterisk-ss7] Libss7 and echo on Extensions
> To: asterisk-ss7 at lists.digium.com
> Message-ID: <47FF7AE9.6090009 at digium.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Christopher Bautista wrote:
> > Hi guys
> >
> > Update:
> >
> >> PSTN -> Asterisk -> SIP extensions
> >
> > landline to sip extension ..... noticeable
> echo
> > mobile to sip extension ..... no echo
> >
> >> PSTN -> Asterisk -> PSTN ..... no echo
> >> SIP -> Asterisk -> SIP ..... no echo
> >
> >> SIP -> Asterisk -> PSTN .... no echo
> >
> > I hope someone can help me.
>
> It sounds like you may have found a case where the echo canceller has
> not been started. Like Daniel mentioned, there was a patch to enable it
> which he submitted. Can you confirm whether or not you are running on
> the latest version of libss7 and Asterisk?
>
> --
> Matthew Fredrickson
> Software/Firmware Engineer
> Digium, Inc.
>
>
>
> ------------------------------
>
> Message: 6
> Date: Fri, 11 Apr 2008 10:06:47 -0500
> From: Matthew Fredrickson <creslin at digium.com>
> Subject: Re: [asterisk-ss7] Libss7 and echo on Extensions
> To: asterisk-ss7 at lists.digium.com
> Message-ID: <47FF7E87.2090608 at digium.com>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Christopher Bautista wrote:
> > Hi guys
> >
> > Update:
> >
> >> PSTN -> Asterisk -> SIP extensions
> >
> > landline to sip extension ..... noticeable
> echo
> > mobile to sip extension ..... no echo
> >
> >> PSTN -> Asterisk -> PSTN ..... no echo
> >> SIP -> Asterisk -> SIP ..... no echo
> >
> >> SIP -> Asterisk -> PSTN .... no echo
> >
> > I hope someone can help me.
> >
> > Thanks
> >
> > Chris
>
> Could you try this patch for me to see if it removes your echo problems?
> I found a code path where the echo canceller was not enabled when a
> call was started.
>
> --
> Matthew Fredrickson
> Software/Firmware Engineer
> Digium, Inc.
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