On Fri, Dec 15, 2006 at 06:41:58PM -0800, Yuan LIU wrote:
> Hardware is an SM56 card (X100P clone). When the line hangs up, ztmonitor
> displays full bar (or whatever maximum allowed by rxgain) in RX. It only
> drops zero when the line picks up (and remote was silent). Is this
> something of concern? The zap channel seems to work despite echo.
When the line is on-hook, its contents is meaningless.
>
> Additionally, what's the objective of tuning with ztmonitor? I mean, what
> would indicate an optimal level? (Because display of ztmonitor depends on
> the volume of the remote speaker - I'm using demo sounds from another
> Asterisk, how do I tell?) Documents I see only mentioned RX, should I be
> concerned about TX? What's a good indicator of an optimal txgain?
Its main added value is a clear separation between the transmit and
recieve channel: you can actually see the echo. But it's basically a
rather low-level tool and you should use the raw information it provides
you wisely. It's no silver bullet.
--
Tzafrir Cohen
icq#16849755 jabber:[EMAIL PROTECTED]
+972-50-7952406 mailto:[EMAIL PROTECTED]
http://www.xorcom.com iax:[EMAIL PROTECTED]/tzafrir
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