From owner-freebsd-isdn Wed Dec 30 17:17:02 1998 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id RAA28327 for freebsd-isdn-outgoing; Wed, 30 Dec 1998 17:17:02 -0800 (PST) (envelope-from owner-freebsd-isdn@FreeBSD.ORG) Received: from mail.dinoex.sub.org (mail.dinoex.sub.de [195.243.29.14]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id RAA28320 for ; Wed, 30 Dec 1998 17:16:59 -0800 (PST) (envelope-from dirk.meyer@dinoex.sub.org) Received: (from uucp@localhost) by mail.dinoex.sub.org (8.9.1/8.9.1) with UUCP id CAA12154 for freebsd-isdn@FreeBSD.ORG; Thu, 31 Dec 1998 02:17:56 +0100 (CET) Received: from gate.dinoex.sub.org (dinoex@localhost) by net2.dinoex.sub.org (8.9.1/8.9.1) with BSMTP id VAA00519 for ; Wed, 30 Dec 1998 21:05:03 +0100 (CET) To: freebsd-isdn@FreeBSD.ORG Message-ID: From: dirk.meyer@dinoex.sub.org (Dirk Meyer) Organization: privat Subject: Re: isdntrace Date: Wed, 30 Dec 1998 19:58:36 +0100 X-Mailer: Dinoex 1.69 References: X-Gateway: ZCONNECT gate.dinoex.sub.org [UNIX/Connect v0.77-m1] X-ZC-ROT: dinoex.sub.org X-PGP-Fingerprint: 44 16 EC 0A D3 3A 4F 28 8A 8A 47 93 F1 CF 2F 12 X-ZC-VIA: 19981230000000W+1@dinoex.sub.org Sender: owner-freebsd-isdn@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Andreas Gaertner wrote:, > [...] produces following output every ten > seconds with no traffic occuring during the trace: > -- NT->TE - unit:0 - frame:000031 - time:30.12 17:31:53.924800 - length:4 > Dump:000 00 9f 01 05 .... > Q921: SAP=0 (Call Control), R, TEI=79, S-Frame: RR N(R) 2 PF > what does that mean? This means your NT is alive, and your telecom switch is ready. Call Control keep the Connection with the switch established, after the TEI has been assigned. If i4b don't answer the request in a certain time, your TEI will become invalid. You see more of it if you have more than one device attached: -- TE->NT - unit:0 - frame:000090 - time:31.10 12:10:25.19 - length:4 - Dump:000 02 dd 01 0d .... Q921: SAP=0 (Call Control), R, TEI=110, S-Frame: RR N(R) 6 PF 1 -- NT->TE - unit:0 - frame:000091 - time:31.10 12:10:32.19 - length:4 - Dump:000 02 d5 01 b5 .... Q921: SAP=0 (Call Control), C, TEI=106, S-Frame: RR N(R) 90 PF 1 It is perfectly normal ... kind regards Dirk -- Dirk Meyer, Im Grund 4, 34317 Habichtswald, Germany -- Tel. +49-5606-6512 . To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isdn" in the body of the message