[asterisk-users] red alarm on tdm400 fxo (fxs signalled)

[Kelvin Chua]

waitfordialtone=yes on chan_dahdi.conf is supposed to be the perfect
solution, but does it work on on UK lines?

Kelvin Chua


On Fri, Aug 26, 2011 at 4:44 PM, Kelvin Chua <kelchy at gmail.com> wrote:

> i am comparing the experience of using an analog span to a T1 for example:
> if i have a 3 quad port t1 card, with the initial view of dahdi_tool, i can
> easily tell if a line is not working
> now supposed i have a system with 3 24port cards, with just watching the
> main view of dahdi_tool,
> i cannot do that, i still need to go into each one, and look at the stats
>
> maybe it's just me but i think it's making things easier for everyone if
> there is some sort of an indication
> there like
> please-take-a-look-at-this-as-i-have-a-port-here-without-a-battery (not
> really yellow, perhaps orange? :D)
>
>
> using callprogress is *experimental*
> ; This feature can also easily detect false hangups. The symptoms of this
> is
> ; being disconnected in the middle of a call for no reason.
> it's actually ok for me, but for other zones, it might not be adviseable.
> for example, calling a mobile phone and a
> landline would give you a different tone and cadence for the ringback thus
> billing apps will be completely screwed.
> (unless already anticipated by the billing software)
>
> what i have in mind is just plain simple. when the fxo port goes offhook,
> it waits for the dial tone (based on tonezone)
> after that, nothing more so as to avoid detection of false hangups. i think
> this is not too hard as Newman Ventures implemented
> something like this before.
>
> Kelvin Chua
>
>
>
> On Fri, Aug 26, 2011 at 11:51 AM, Shaun Ruffell <sruffell at digium.com>wrote:
>
>> On Fri, Aug 26, 2011 at 10:58:10AM +0800, Kelvin Chua wrote:
>> > I should clarify on my post, i can see a red alarm on cat /proc/dahdi/1
>> but
>> > never when using dahdi_tool
>> >
>> > in cat /proc/dahdi/1:
>> > Span 1: WCTDM/4 "Wildcard TDM400P REV E/F Board 5" (MASTER)
>> >
>> >    1 WCTDM/4/0 FXSKS (In use) RED(SWEC: OSLEC)
>> >    2 WCTDM/4/1 FXSKS (In use) RED(SWEC: OSLEC)
>> >    3 WCTDM/4/2 FXSKS (In use) RED(SWEC: OSLEC)
>> >    4 WCTDM/4/3 FXSKS (In use) RED(SWEC: OSLEC)
>> >
>> > In dahdi_tool:
>> > Tx/Rx Levels:         0/  0
>> > Total/Conf/Act:       4/  4/  0
>> >
>> > but the behavior status alarm is OK
>> > a little bit misleading, what i am thinking is adding a sort of "yellow"
>> > alarm or something if one of the configured fxo lines
>> > goes down?
>>
>> I understand now. Yes, dahdi_tool is showing the alarm status for
>> the entire span, and for analog cards, the entire span is always
>> essentially green. It's the individual channels that can go into red
>> alarm unlike on digital spans.
>>
>> Why do you want to add a yellow status? What are you trying to
>> accomplish that you cannot with the way things are now?
>>
>> > another thing, what if 1 of the configured lines' battery is up, but
>> there
>> > is no dial tone? outbound calls will try to go through
>> > and the caller will hear dead air.
>>
>> 'callprogress=yes' in chan_dahdi.conf won't help you here? It may be
>> able to detect dialtone before attempting to dial out.
>>
>> --
>> Shaun Ruffell
>> Digium, Inc. | Linux Kernel Developer
>> 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA
>> Check us out at: www.digium.com & www.asterisk.org
>>
>> --
>> _____________________________________________________________________
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>
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