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:* [EMAIL PROTECTED]
    [mailto:[EMAIL PROTECTED] Behalf Of
    *Damian Funnell
    *Sent:* Monday, April 11, 2005 3:08 PM
    *To:* [EMAIL PROTECTED]; 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 [EMAIL PROTECTED] 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:[EMAIL PROTECTED]

    Sent: Monday, April 11, 2005 12:49

    To: [EMAIL PROTECTED]; 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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