[Asterisk-Users] PRI E1 - HDLC Bad FCS / HDLC Abort errors

Steve Totaro stotaro at totarotechnologies.com
Mon Dec 12 08:48:19 MST 2005


Try PRI debug span 1 and see if that sheds any light on the problem.

Thanks,
Steve


> Hello,
> 
> Iam trying to configure asterisk with a PRI E1 line. I got to a point
> where incoming calls on PRI is landing on asterisk and asterisk
> immediately starts throwing the below errors on the console. The call
is
> dropped at this point somehow.
> 
> Dec 12 15:02:57 NOTICE[5783]: chan_zap.c:7437 pri_dchannel: PRI got
> event: HDLC Bad FCS (8) on Primary D-channel of span 1
> Dec 12 15:02:58 NOTICE[5783]: chan_zap.c:7437 pri_dchannel: PRI got
> event: HDLC Bad FCS (8) on Primary D-channel of span 1
> Dec 12 15:02:59 NOTICE[5783]: chan_zap.c:7437 pri_dchannel: PRI got
> event: HDLC Abort (6) on Primary D-channel of span 1
> Dec 12 15:03:00 NOTICE[5783]: chan_zap.c:7437 pri_dchannel: PRI got
> event: HDLC Bad FCS (8) on Primary D-channel of span 1
> Dec 12 15:03:02 NOTICE[5783]: chan_zap.c:7437 pri_dchannel: PRI got
> event: HDLC Bad FCS (8) on Primary D-channel of span 1
> Dec 12 15:03:03 NOTICE[5783]: chan_zap.c:7437 pri_dchannel: PRI got
> event: HDLC Abort (6) on Primary D-channel of span 1
> Dec 12 15:03:04 NOTICE[5783]: chan_zap.c:7437 pri_dchannel: PRI got
> event: HDLC Abort (6) on Primary D-channel of span 1
> Dec 12 15:03:04 NOTICE[5783]: chan_zap.c:7437 pri_dchannel: PRI got
> event: HDLC Abort (6) on Primary D-channel of span 1
> 
> *CLI> show version
> Asterisk CVS-v1-0-11/08/05-01:22:43 built by root at ip-pbx on a i686
> running Linux
> 
> >> /etc/zaptel.conf
> 
> span=1,1,0,cas,ami
> ;span=1,0,0,cas,ami ; have tried this too
> bchan=1-15
> dchan=16
> bchan=17-31
> 
> >> /etc/asterisk/zapata.conf
> 
> ; T110P - PRI Configuration
> signalling=pri_cpe
> ;switchtype=national
> ;switchtype=5ess
> switchtype=euroisdn
> callerid=asreceived
> group=1
> context=di_mainmenu
> channel => 1-15,17-31
> 
> >> cat /proc/zaptel/1
> Span 1: WCT1/0 "Digium Wildcard TE110P T1/E1 Card 0" AMI/
> 
>            1 WCT1/0/1 Clear (In use)
>            2 WCT1/0/2 Clear (In use)
>            3 WCT1/0/3 Clear (In use)
>            4 WCT1/0/4 Clear (In use)
>            5 WCT1/0/5 Clear (In use)
>            6 WCT1/0/6 Clear (In use)
>            7 WCT1/0/7 Clear (In use)
>            8 WCT1/0/8 Clear (In use)
>            9 WCT1/0/9 Clear (In use)
>           10 WCT1/0/10 Clear (In use)
>           11 WCT1/0/11 Clear (In use)
>           12 WCT1/0/12 Clear (In use)
>           13 WCT1/0/13 Clear (In use)
>           14 WCT1/0/14 Clear (In use)
>           15 WCT1/0/15 Clear (In use)
>           16 WCT1/0/16 HDLCFCS (In use)
>           17 WCT1/0/17 Clear (In use)
>           18 WCT1/0/18 Clear (In use)
>           19 WCT1/0/19 Clear (In use)
>           20 WCT1/0/20 Clear (In use)
>           21 WCT1/0/21 Clear (In use)
>           22 WCT1/0/22 Clear (In use)
>           23 WCT1/0/23 Clear (In use)
>           24 WCT1/0/24 Clear (In use)
>           25 WCT1/0/25 Clear (In use)
>           26 WCT1/0/26 Clear (In use)
>           27 WCT1/0/27 Clear (In use)
>           28 WCT1/0/28 Clear (In use)
>           29 WCT1/0/29 Clear (In use)
>           30 WCT1/0/30 Clear (In use)
>           31 WCT1/0/31 Clear (In use)
> 
> >> /etc/asterisk/extensions.conf
> 
> [di_mainmenu]
> exten => s,1,Answer ; Answer the line
> exten => s,2,SetVar(mloop=0) ; main menu loop count
> exten => s,3,SetVar(mloop=$[${mloop} + 1]) ; increment by 1 , first
run
> exten => s,4,DigitTimeout,5 ; Set Digit Timeout to 5 seconds
> exten => s,5,ResponseTimeout,8 ; Set Response Timeout to 8 seconds
> exten => s,6,(di_welcome)
> exten => 1,1,Goto(di_sales,s,1)
> exten => 2,1,Goto(di_techsupport,s,1)
> exten => 3,1,Goto(di_hostingsupport,s,1)
> exten => 4,1,Goto(di_billing,s,1)
> exten => 5,1,Directory(default)
> exten => 9,1,Goto(operator,0,1)
> include => internal
> 
> Iam based in India and the PRI line is from TATA indicom. The switch
iam
> connected to is a Lucent 5ess. I have tried 5ess as the switchtype too
> in zapata.conf and same errors.
> 
> I also get the below warning if i remove and put the PRI line into the
> T110p.
> 
> Dec 12 14:26:30 WARNING[5783]: No D-channels available!  Using Primary
> channel 16 as D-channel anyway!
> 
> zttool shows the PRI status as ok and there are no alarms.
> 
> Interrupts details are below. X server is not installed and i have
> disabled dma on my disk.
> 
> [root at ip-pbx ~]# cat /proc/interrupts
>            CPU0       CPU1
>   0:     751204     690283    IO-APIC-edge  timer
>   1:          9          0    IO-APIC-edge  i8042
>   8:          1          0    IO-APIC-edge  rtc
>   9:          0          0   IO-APIC-level  acpi
>  14:       6203       1100    IO-APIC-edge  ide0
> 169:          0          0   IO-APIC-level  uhci_hcd
> 177:     682240     672161   IO-APIC-level  uhci_hcd, wctdm
> 185:          0          0   IO-APIC-level  uhci_hcd
> 193:     102135    1252274   IO-APIC-level  wcte11xp
> 201:    1257747     100020   IO-APIC-level  wctdm
> 217:         94       6793   IO-APIC-level  eth0
> 225:       8722          0   IO-APIC-level  eth1
> NMI:          0          0
> LOC:    1441441    1441440
> ERR:          0
> MIS:          0
> 
> 
> # hdparm -v /dev/hda
> 
> /dev/hda:
>  multcount    = 16 (on)
>  IO_support   =  0 (default 16-bit)
>  unmaskirq    =  1 (on)
>  using_dma    =  1 (on)
>  keepsettings =  0 (off)
>  readonly     =  0 (off)
>  readahead    = 256 (on)
>  geometry     = 16383/255/63, sectors = 40020664320, start = 0
> 
> Wat could cause this problem ?
> 
> TIA
> dushyanth
> 
> 
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