[Asterisk-Users] Polycom 501 horrible echo

[Rich Adamson]

Probably way out of line on this, but have you tried downgrading the
firmware to see if that has any impact whatsoever? (Just as a step 
intended to eliminate possibilities however remote it might be.)

------------------------
> This is entirely SIP
> The behavior is only SIP to SIP...SIP to PSTN or PSTN to SIP = OK
> When one or both use speaker phone, the behavior is present.
> Both Handset or Headset = OK.
> 
> 
> At 07:59 AM 1/24/2006, you wrote:
> >Jeff Herring wrote:
> >>OK...Let's be clear...
> >>
> >>1) The phones are not physically near each other.
> >>2) It's not feedback from speaker/mic interaction.
> >>3) Let me repeat...The squeal is not feedback, it is more of
> >>    a chirping sound at the leading edge of the spoken word.
> >>4) I don't have 25 bad phones...they all do the same thing.
> >Is this on speaker phone or with the handset to your ear? Entirely SIP => 
> >Asterisk => what?
> >
> >--
> >Chris Mason
> >NetConcepts
> >(264) 497-5670 Fax: (264) 497-8463
> >Int:  (305) 704-7249 Fax: (815)301-9759 Cell: 264-235-5670
> >Yahoo IM: netconcepts_anguilla at yahoo.com
> >
> >--
> >This message has been scanned for viruses and
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> >believed to be clean.
> 
> --------------------------------------
> Jeff Herring  /  jeffh at sldsi.com
> Seacoast Laboratory Data Systems, Inc.
> Voice:  603 431 4114  x14
> FAX:    603 431 2112
> --------------------------------------
> 
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