[asterisk-users] [OT] Does Energy Savings mode exist with BRI/PtP ?

Olivier oza.4h07 at gmail.com
Wed Dec 11 15:39:54 CST 2013


I double-checked with other locations (also using Patton devices and I
didn't get any complain). I can find the same pattern everywhere:

2013-12-11T20:17:39 : LOGINFO    : Link down on interface bri 0 0 0
2013-12-11T20:17:39 : LOGINFO    : Link down on interface ISDN 0 0
2013-12-11T20:18:11 : LOGINFO    : Link up on interface bri 0 0 0
2013-12-11T20:18:11 : LOGINFO    : Link up on interface ISDN 0 0
2013-12-11T20:18:14 : LOGINFO    : Link down on interface bri 0 0 0
2013-12-11T20:18:15 : LOGINFO    : Link down on interface ISDN 0 0
2013-12-11T20:18:18 : LOGINFO    : Link up on interface bri 0 0 0
2013-12-11T20:18:18 : LOGINFO    : Link up on interface ISDN 0 0
2013-12-11T20:21:14 : LOGINFO    : Link down on interface bri 0 0 1
2013-12-11T20:21:15 : LOGINFO    : Link down on interface ISDN 0 1
2013-12-11T20:21:46 : LOGINFO    : Link up on interface bri 0 0 1
2013-12-11T20:21:46 : LOGINFO    : Link up on interface ISDN 0 1
2013-12-11T20:21:49 : LOGINFO    : Link down on interface bri 0 0 1
2013-12-11T20:21:49 : LOGINFO    : Link down on interface ISDN 0 1
2013-12-11T20:21:53 : LOGINFO    : Link up on interface bri 0 0 1
2013-12-11T20:21:53 : LOGINFO    : Link up on interface ISDN 0 1
2013-12-11T20:37:39 : LOGINFO    : Link down on interface bri 0 0 0
2013-12-11T20:37:39 : LOGINFO    : Link down on interface ISDN 0 0
2013-12-11T20:38:11 : LOGINFO    : Link up on interface bri 0 0 0
2013-12-11T20:38:11 : LOGINFO    : Link up on interface ISDN 0 0
2013-12-11T20:38:13 : LOGINFO    : Link down on interface bri 0 0 0
2013-12-11T20:38:13 : LOGINFO    : Link down on interface ISDN 0 0
2013-12-11T20:38:13 : LOGINFO    : Link up on interface bri 0 0 0
2013-12-11T20:38:14 : LOGINFO    : Link up on interface ISDN 0 0
2013-12-11T20:41:14 : LOGINFO    : Link down on interface bri 0 0 1
2013-12-11T20:41:14 : LOGINFO    : Link down on interface ISDN 0 1
2013-12-11T20:41:46 : LOGINFO    : Link up on interface bri 0 0 1
2013-12-11T20:41:46 : LOGINFO    : Link up on interface ISDN 0 1
2013-12-11T20:41:49 : LOGINFO    : Link down on interface bri 0 0 1
2013-12-11T20:41:49 : LOGINFO    : Link down on interface ISDN 0 1
2013-12-11T20:41:53 : LOGINFO    : Link up on interface bri 0 0 1
2013-12-11T20:41:53 : LOGINFO    : Link up on interface ISDN 0 1

So it seems common from Telco to turn ISDN lines going down and up, once in
while and this is not for energy savings.


2013/12/11 jg <webaccounts at jgoettgens.de>

>
>> At the moment, I'm having trouble with lines going up and down all day
>> long.
>> I asked them to be created as P2P.
>> Mostly but not always calls are passing in and out correctly.
>>
> I doubt that the energy-saving is causing the trouble. How do you get the
> ISDN-signal? Is it an S0-bus? If yes, I may be able to be of further help.
> Even if the connection goes down, it should not matter for P2MP
> connections. But S0-bus problems can be nasty (though seen rarely these
> days).
>
>
>> So, if I'm not mistaken, either :
>> - these lines are configured as P2MP (and not as P2P as required),
>> - I'm facing something else I've never met before.
>>
> I would bet on the 2nd choice.
>
>
>> As these lines are up most of the time, I'm having a hard time to get any
>> useful help by Telco beside "level 1" basic checks.
>>
>> For the record, these lines are terminated on my side with a Patton
>> smartnode (most of the time, I use Digium BRI boards).
>> During off hours, I'll try to check what happens when toggling to P2MP
>> mode.
>>
> I doubt that you do get anything useful if you pick the wrong mode.
>
> Are you sure that your are not dealing with termination issues? Try
> sending a T.30 fax with fine resolution and ecm enabled when your
> connection is up. If it takes too long or fails, this is something to look
> at.
>
>
> jg
>
>
> --
> _____________________________________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> New to Asterisk? Join us for a live introductory webinar every Thurs:
>               http://www.asterisk.org/hello
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.digium.com/pipermail/asterisk-users/attachments/20131211/8dd7cc79/attachment.html>


More information about the asterisk-users mailing list