[asterisk-users] Dropouts and echo

[Julian J. M.]

What kind of switch are you connecting the phones to? I've seen that
behaviour with cheap Repotec switches (24+2Gigabit). Just replacing it
with a different one fixed the problem.

Julian J. M.

On 7/31/07, Tom Lanyon <tom at netspot.com.au> wrote:
> The issues:
>         Dropouts - by far the most serious issue we've encountered. On most
> calls (normally anything longer than 1 or 2 minutes), suddenly one
> end of the call will go silent and not be able to hear the other
> person. After a few seconds of "I can't hear you!" the audio returns
> and continues normally. This seems to happen whether it's an internal
> call between SIP devices or whether it involves a call via our ISDN
> gateway. At first we believed this was just when we had our phones on
> 'speakerphone' and that it was an issue with the physical SIP phone
> itself, but we're now also finding 'dropouts' just using the phone
> handset aswell.