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Date:      Sun, 11 Apr 1999 04:26:27 +0200
From:      dirk.meyer@dinoex.sub.org (Dirk Meyer)
To:        freebsd-isdn@FreeBSD.ORG
Subject:   Re: Setting time from ISDN and using AOCD
Message-ID:  <+EiZZ9w7ue@dmeyer.dinoex.sub.org>
References:  <7jbtgwp506.fsf@gandalf.midearth.fuzzys.org>

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Julien Oster wrote:,

> 1.) I'd like to set my system time from the ISDN timestamps.

hmm, are you sure you see the correct package from your switch?
I have seen such transmits only on my 1TR6 line.

-- NT->TE - unit:0 - frame:012422 - time:16.06 00:02:09.37 - length:29 ---------
Dump:000  02 ff 03                                              ...
Q921: SAP=0 (Call Control), C, TEI=127, U-Frame: UI PF 0 
Dump:003  40 01 01 61 20 00 9e 03 11 31 36 2e 30 36 2e 39       @..a ....16.06.9
Dump:019  38 2d 30 30 3a 30 30 3a 30 30                         8-00:00:00
1TR6: pd=N0, cr=0x01 (from origination), message=REGISTER INDICATION: 
     [network specific facilities: AWS 2, serv=17, ainfo=49]
     [UNKNOWN INFO-ELEMENT-ID 0x30 0x36 0x2e 0x39 0x38 0x2d 0x30 0x30 0x3a 0x30 0x30 0x3a 0x30 0x30 0x30 0x70 0x0d 0x81 0x30 0x30 0x35 0x36 0x30 0x38 0x39 0x34 0x39 0x30 0x31 0x31 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00 0x00]

I do not want to set my kernel time from it.
- the switch I was connect seem to send the package only once a Day.
- some switches seem to send this package or an AOCD package
  only in a 10 second framing.

By the time when i should get a rate of 45 seconds:
May 31 19:02:09 net2 bisdnd[10374]: DBG charging unit length = 50 seconds
May 31 19:02:49 net2 bisdnd[10374]: DBG charging unit length = 40 seconds
May 31 20:40:57 net2 bisdnd[10374]: DBG charging unit length = 50 seconds
May 31 20:41:37 net2 bisdnd[10374]: DBG charging unit length = 40 seconds
May 31 20:41:52 net2 bisdnd[10374]: DBG charging unit length = 15 seconds

Does someone get a better resoultion from his switch?

kind regards Dirk

-- Dirk Meyer, Im Grund 4, 34317 Habichtswald, Germany
-- Tel. +49-5606-6512



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