Turn on PRI debugging and double check your cable. On Mon, Nov 12, 2018 at 3:24 PM Jeff LaCoursiere <[email protected]> wrote:
> > I've been struggling for a few weeks now with the local telco trying to > bring up a trunk that has been down for a year (hurricanes in the > caribbean). Box is a Dell R710, 16G RAM, Ubuntu 14.04.5 LTS, Dahdi > 2.10.2-rc1, asterisk 13.23.1. Xorcom Astribank w/ one T1/E1/PRI module, > plugged into a USB 2.0 port on the Dell. All of this was working *before* > the storms last year with the same hardware/versions. > > Dahdi sees the astribank and loads firmware without issue: > > root@astbeach:~# dmesg | grep -i dahdi > [661368.877090] dahdi: Version: 2.10.2-rc1 > [661368.880450] dahdi: Telephony Interface Registered on major 196 > [661368.963988] dahdi_transcode: Loaded. > [661368.982746] INFO-xpp: FEATURE: with sync_tick() from DAHDI > [661369.233471] INFO-xpd_pri: FEATURE: WITHOUT DAHDI_AUDIO_NOTIFY > [661370.256053] dahdi_devices astribanks:xbus-00: local span 1 is already > assigned span 1 > [661370.270028] dahdi_echocan_mg2: Registered echo canceler 'MG2' > root@astbeach:~# lsusb > Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Bus 001 Device 003: ID 0424:2514 Standard Microsystems Corp. USB 2.0 Hub > Bus 001 Device 002: ID e4e4:1162 Xorcom Ltd. Astribank 2 series > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub > > The dahdi drivers are loaded, and the T1 layer has no alarms... telco also > reports the line itself is "UP": > > root@astbeach:~# service dahdi status > ### Span 1: XBUS-00/XPD-00 "Xorcom XPD [usb:X1067719].1: T1" (MASTER) > ESF/B8ZS ClockSource > 1 T1 Clear (In use) (EC: MG2 - INACTIVE) > 2 T1 Clear (In use) (EC: MG2 - INACTIVE) > 3 T1 Clear (In use) (EC: MG2 - INACTIVE) > 4 T1 Clear (In use) (EC: MG2 - INACTIVE) > 5 T1 Clear (In use) (EC: MG2 - INACTIVE) > 6 T1 Clear (In use) (EC: MG2 - INACTIVE) > 7 T1 Clear (In use) (EC: MG2 - INACTIVE) > 8 T1 Clear (In use) (EC: MG2 - INACTIVE) > 9 T1 Clear (In use) (EC: MG2 - INACTIVE) > 10 T1 Clear (In use) (EC: MG2 - INACTIVE) > 11 T1 Clear (In use) (EC: MG2 - INACTIVE) > 12 T1 Clear (In use) (EC: MG2 - INACTIVE) > 13 T1 Clear (In use) (EC: MG2 - INACTIVE) > 14 T1 Clear (In use) (EC: MG2 - INACTIVE) > 15 T1 Clear (In use) (EC: MG2 - INACTIVE) > 16 T1 Clear (In use) (EC: MG2 - INACTIVE) > 17 T1 Clear (In use) (EC: MG2 - INACTIVE) > 18 T1 Clear (In use) (EC: MG2 - INACTIVE) > 19 T1 Clear (In use) (EC: MG2 - INACTIVE) > 20 T1 Clear (In use) (EC: MG2 - INACTIVE) > 21 T1 Clear (In use) (EC: MG2 - INACTIVE) > 22 T1 Clear (In use) (EC: MG2 - INACTIVE) > 23 T1 Clear (In use) (EC: MG2 - INACTIVE) > 24 T1 Hardware-assisted HDLC (In use) > > asterisk chan_dahdi shows the T1 up with no alarms: > > astbeach*CLI> dahdi show status > Description Alarms IRQ bpviol CRC Fra > Codi Options LBO > Xorcom XPD [usb:X1067719].1: T1 OK 0 0 0 ESF > B8ZS 0 db (CSU)/0-133 feet (DSX-1) > > but the PRI is down: > > astbeach*CLI> pri show spans > PRI span 1/0: Down, Active > > I'm not really sure where to take it from here, and the telco has even > less of a clue. They brought out some gear that they hooked up to our > cabling for the T1 and pretty quickly established a PRI, then placed and > received test calls over it. At that point they washed their hands of it, > and logged as a "CPE issue"! > > Could it be that the storms damaged the Xorcom unit in such a way that the > T1 can be up without alarms but the PRI signaling is broken? Seems > unlikely. > > I have included a few relevant config files below. Note that the cabling > wasn't in place when we ran dahdi_genconf, which is why it shows red > alarm. There is no red alarm now. > > /etc/dahdi/system.conf: > # Autogenerated by /usr/sbin/dahdi_genconf on Fri Oct 12 11:34:27 2018 > # If you edit this file and execute /usr/sbin/dahdi_genconf again, > # your manual changes will be LOST. > # Dahdi Configuration File > # > # This file is parsed by the Dahdi Configurator, dahdi_cfg > # > # Span 1: XBUS-00/XPD-00 "Xorcom XPD [usb:X1067719].1: T1" (MASTER) RED > span=1,1,0,esf,b8zs > # termtype: te > bchan=1-23 > #dchan=24 > echocanceller=mg2,1-23 > hardhdlc=24 > > # Global data > > loadzone = us > defaultzone = us > > ---------------------------------------------------------------------- > > root@astbeach:/etc/dahdi# egrep -v '^#' xpp.conf > pri_protocol T1 > > ---------------------------------------------------------------------- > > root@astbeach:/etc/asterisk# egrep -v '^;' chan_dahdi.conf > > [trunkgroups] > > [channels] > > switchtype = national > context=from-pstn > signalling = pri_cpe > callwaiting=yes > usecallingpres=yes > callwaitingcallerid=yes > threewaycalling=no > transfer=no > canpark=no > cancallforward=no > callreturn=no > echocancel=yes > echocancelwhenbridged=yes > group=0 > callgroup=1 > pickupgroup=1 > channel => 1-23 > > Thanks for any debugging advice! > > Cheers, > > j > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > > Astricon is coming up October 9-11! Signup is available at: > https://www.asterisk.org/community/astricon-user-conference > > Check out the new Asterisk community forum at: > https://community.asterisk.org/ > > New to Asterisk? Start here: > https://wiki.asterisk.org/wiki/display/AST/Getting+Started > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users
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