[Asterisk-Users] Line Noise HELP!

Mon Apr 11 14:48:34 MST 2005

Can't help but wonder if this isn't a bug in Asterisk or one of it's 
modules, as there seems to be a lot of people experiencing the same 
problem, seemingly with different hardware and software configurations.

Anyone know how (or if it's possible) to submit a bug report to Digium 
regarding this type of problem?

I for one am going to have a customer return their Asterisk box for good 
if we can't get to the bottom of this soon.

Andre Normandin wrote:

> Hi,
> I'm having very similiar problems.. However, I'm running a development 
> version, and it happens on both SIP phones, and on Analog phones 
> connected via Sipura SPA-2000's (I have 2 different SPA2000's, and 4 
> analog lines.. Seems to happen on all of them as well)..
> The problem seems to be EXACTLY as described.
> THe call seems fine at first, then within minutes the call degrades to 
> the point that neither end can hear each other.. First, the volume 
> seems to lower, and then static, breaking up, etc..
> I have both DIGIUM X100 cards for my pots lines (3 of them), and 
> BROADVOICE for outgoing calls. It seems to happen no matter if I'm on 
> an analog line (I.E. someone called me), or if it was me that 
> initiated the call (BROADVOICE outbound).
> I do have a 'remote' SIPURA SPA2000 located at a friends house in a 
> different state -- he is an extension on my pbx so he can call me, and 
> he can call his friends locally (He just moved away) via my POTS or 
> BROADVOICE line.. He experiences the same problems as I described 
> above, unless he calls me directly at my 'internal' extension, or I 
> call him at his 'internal' extension.. I.E. If it doesn't touch POTS 
> or BROADVOICE, the problem doesn't seem to occur..??
> The other interesting thing that has happened of recent development is 
> that some people are complaining that they are hearing the 'electronic 
> beep' sound as if the call is being recorded, but I am not recording 
> the call. This has occured with my friend as well as incoming and 
> outgoing POTS/BROADVOICE calls.
> If anyone has an idea, I'd love to hear it.. The problem is driving me 
> (and others who talk to me) crazy!!!
> - Andre
>
>     -----Original Message-----
>     *From:* asterisk-users-bounces at lists.digium.com
>     [mailto:asterisk-users-bounces at lists.digium.com]*On Behalf Of
>     *Damian Funnell
>     *Sent:* Monday, April 11, 2005 3:08 PM
>     *To:* junk at irqx.com; Asterisk Users Mailing List - Non-Commercial
>     Discussion
>     *Subject:* Re: [Asterisk-Users] Line Noise HELP!
>
>     Hi mate,
>
>     Interesting - you're using a different version of Asterisk than I
>     am, but your problem sounds identical. We thought it was the SIP
>     phones that we were using as well, but then it started occurring
>     on the analogue phones as well.
>
>     Post again when you've tried a new phone, will you? Let us know if
>     the problem goes away.
>
>     Cheers,
>     Damian.
>
>
>     Paul wrote:
>
>>     Damian,
>>
>>     pbx*CLI> show version
>>
>>     Asterisk CVS-HEAD-03/23/05-00:44:07 built by root at pbx on a i586
>>     running Linux
>>
>>     There is my version info. Someone on the list has suggested that
>>     it’s my SIPura phone. It could very well be the phone, but it
>>     just seems unlikely that the conversation would be perfectly
>>     clear for some time before the static starts. I tried it today
>>     and was able to go approximately two minutes before it started.
>>     The FXO card is a generic x100P. I’m going to try to get another
>>     IP phone and test it to see if it’s the phone. Let me know if you
>>     come up with any ideas.
>>
>>     Paul
>>
>>     ________________________________________
>>
>>     From: Damian Funnell [mailto:damian.funnell at fff.co.nz]
>>
>>     Sent: Monday, April 11, 2005 12:49
>>
>>     To: junk at irqx.com; Asterisk Users Mailing List - Non-Commercial
>>     Discussion
>>
>>     Subject: Re: [Asterisk-Users] Line Noise HELP!
>>
>>     Hi Paul, there was a thread yesterday in regards to a few of us
>>     experiencing a very similar problem - a problem that (if the same
>>     for all of us), doesn't seem to have been properly diagnosed yet.
>>
>>     One thing that appeared to be common to all of us was the version
>>     of Asterisk that we are running (1.0.6), is this the version that
>>     you are running? What FXO card are you using?
>>
>>     Does the noise that you are complaining about occur on every call
>>     and, if so, always after exactly a minute, or is it more random?
>>
>>     Starting to wonder if there isn't a problem with Stable,
>>     interested to hear what version you're running.
>>
>>     Damian.
>>
>>     Paul wrote:
>>
>>     I recently hooked up my sipura IP phone and set it up as an SIP
>>     device to
>>
>>     connect to asterisk. I am able to dial a number on the SIP phone,
>>     connect to
>>
>>     an external number via the PSTN connected to asterisk and begin the
>>
>>     conversation. At first, the audio quality is PERFECT, in both
>>     directions. I
>>
>>     can hear the person clearly and they claim to hear me like im on
>>     a regular
>>
>>     POTS line. After approximately 1 minute, the quality turns
>>     horrible and the
>>
>>     person can no longer hear me, but I can faintly here them. There
>>     is a lot of
>>
>>     static on the line, it almost sounds like an electronic device is
>>
>>     interfering with it. I thought maybe it was a wireless phone or
>>     router, so I
>>
>>     disconnected all those and put my cell phone in the other room.
>>     Still no
>>
>>     change. Anyone have any ideas, this is really getting to be a
>>     problem.
>>
>>     Paul
>>
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