[asterisk-ss7] LibSS7 and Sangoma A101 - SS7 HDLC Overrun Error
bipin singh
bipinraghuvanshi at gmail.com
Tue Oct 30 01:52:24 CDT 2012
Hi,
load/interrupt related issue may be. Check it on single card and single
spam .
On Fri, Oct 12, 2012 at 3:20 AM, Gregory Massel <greg at csurf.co.za> wrote:
> This does not appear to be an SS7 issue.
>
> Check your cables and connections, particularly for loose contacts or
> potential shorts (e.g. where the jumper cable on the Krone block is making
> poor contact or the cable hasn't been stripped cleanly and is touching
> another pair or the frame itself, or where stranded cable has been punched
> into a Krone block instead of solid core cable).
>
> Sangoma cards can give signal strength readings. For info on how to get
> this, check:
> http://wiki.sangoma.com/**Wanpipemon-T1-E1-physical-**Line-alarms<http://wiki.sangoma.com/Wanpipemon-T1-E1-physical-Line-alarms>
>
> It can also be load/interrupt related it you have multiple cards, but
> unlikely with just one A101, unless an old motherboard and the card is
> sharing IRQs unhappily with too many other devices.
> See: http://wiki.sangoma.com/**Wanpipe-Debugging<http://wiki.sangoma.com/Wanpipe-Debugging>
>
>
> On 2012/10/11 10:28 PM, Geoffrey Yeoh wrote:
>
>> Hi,
>>
>> I have a box with four A101 Sangoma E1 cards running Asterisk 1.8 with
>> FreePBX. I've been getting this messages in CLI consistently
>>
>> [2012-10-11 20:33:55] NOTICE[11474]: chan_dahdi.c:3426
>> my_handle_link_exception: SS7 got event: HDLC Abort(6) on span 1/0
>> [2012-10-11 20:33:55] NOTICE[11474]: chan_dahdi.c:3426
>> my_handle_link_exception: SS7 got event: HDLC Overrun(7) on span 1/0
>> [2012-10-11 20:33:57] NOTICE[11474]: chan_dahdi.c:3426
>> my_handle_link_exception: SS7 got event: HDLC Abort(6) on span 1/0
>> [2012-10-11 20:34:30] NOTICE[11474]: chan_dahdi.c:3426
>> my_handle_link_exception: SS7 got event: HDLC Abort(6) on span 1/0
>> [2012-10-11 20:34:31] NOTICE[11474]: chan_dahdi.c:3426
>> my_handle_link_exception: SS7 got event: HDLC Overrun(7) on span 1/0
>> [2012-10-11 20:34:33] NOTICE[11474]: chan_dahdi.c:3426
>> my_handle_link_exception: SS7 got event: HDLC Bad FCS(8) on span 1/0
>> [2012-10-11 20:35:06] NOTICE[11474]: chan_dahdi.c:3426
>> my_handle_link_exception: SS7 got event: HDLC Abort(6) on span 1/0
>>
>>
>> My wanpipe configuration is as follows:
>>
>> [wanpipe1]
>> CARD_TYPE = AFT
>> S514CPU = A
>> CommPort = PRI
>> AUTO_PCISLOT = NO
>> PCISLOT = 4
>> PCIBUS = 2
>> FE_MEDIA = E1
>> FE_LCODE = HDB3
>> FE_FRAME = NCRC4
>> FE_LINE = 1
>> TE_CLOCK = NORMAL
>> TE_REF_CLOCK = 0
>> TE_SIG_MODE = CCS
>> TE_HIGHIMPEDANCE = NO
>> TE_RX_SLEVEL = 430
>> HW_RJ45_PORT_MAP = DEFAULT
>> LBO = 120OH
>> FE_TXTRISTATE = NO
>> MTU = 1500
>> UDPPORT = 9000
>> TTL = 255
>> IGNORE_FRONT_END = NO
>> TDMV_SPAN = 1
>> TDMV_DCHAN = 0
>> TE_AIS_MAINTENANCE = NO #NO: defualt YES: Start port in AIS Blue
>> Alarm and keep line down
>> #wanpipemon -i w1g1 -c Ttx_ais_off to
>> disable AIS maintenance mode
>>
>> #wanpipemon
>> -i w1g1 -c Ttx_ais_on to enable AIS maintenance mode
>> TDMV_HW_DTMF = YES # YES: receive dtmf events from
>> hardware
>> TDMV_HW_FAX_DETECT = YES # YES: receive fax 1100hz events
>> from hardware
>> HWEC_OPERATION_MODE = OCT_NORMAL # OCT_NORMAL: echo cancelation
>> enabled with nlp (default)
>>
>> # OCT_SPEECH: improves software tone detection by disabling NLP (echo
>> possible)
>>
>> # OCT_NO_ECHO:disables echo cancelation but allows VQE/tone functions.
>> HWEC_DTMF_REMOVAL = NO # NO: default YES: remove dtmf out of
>> incoming media (must have hwdtmf enabled)
>> HWEC_NOISE_REDUCTION = NO # NO: default YES: reduces noise on the
>> line - could break fax
>> HWEC_ACUSTIC_ECHO = NO # NO: default YES: enables acustic echo
>> cancelation
>> HWEC_NLP_DISABLE = NO # NO: default YES: guarantees software
>> tone
>> detection (possible echo)
>> HWEC_TX_AUTO_GAIN = 0 # 0: disable -40-0: default tx audio
>> level
>> to be maintained (-20 default)
>> HWEC_RX_AUTO_GAIN = 0 # 0: disable -40-0: default tx audio
>> level
>> to be maintained (-20 default)
>> HWEC_TX_GAIN = 0 # 0: disable -24-24: db values
>> to
>> be applied to tx signal
>> HWEC_RX_GAIN = 0 # 0: disable -24-24: db values
>> to
>> be applied to tx signal
>> [w1g1]
>> ACTIVE_CH = ALL
>> TDMV_HWEC = NO
>> MTU = 8
>>
>> My chan_dahdi.conf is as follows:
>>
>> signaling=ss7 ;this is ss7 signaling
>> ss7type=itu ;using the ITU variant
>> ss7_called_nai=dynamic ;NAI for outgoing calls
>> ss7_calling_nai=dynamic ;NAI for incoming calls
>> ss7_internationalprefix=00 ;international prefix value for incoming calls
>> ss7_nationalprefix=33 ;national prefix value for incoming calls
>> ss7_subscriberprefix=3364 ;subscriber prefix value for incoming calls
>> ss7_unknownprefix= ;unknown prefix value for incoming calls
>> ;ss7_explictacm=yes ;ACM is send as soon as call enters the dial
>> plan...may
>> not accepted yet though
>> ss7_autoacm=yes
>>
>> linkset=1 ;arbitrary name for this set of channels
>> pointcode=6021 ;the point code for this system...aka SPC
>> adjpointcode=6000 ;the point code for the system that we are signaling
>> to...
>> aka APC
>> defaultdpc=6000 ;the point code for the system that the CICs will be
>> negotiated with...aka DPC
>> networkindicator=national ;NI value for MTP3
>>
>> cicbeginswith=1 ;the starting value of the CICs
>> channel=1-15 ;the channels that are CICs
>> cicbeginswith=17 ;the starting value of the CICs
>> channel=17-31 ;the channels that are CICs
>> sigchan=16
>>
>> cicbeginswith=32 ;the starting value of the CICs
>> channel=32-46 ;the channels that are CICs
>> cicbeginswith=48 ;the starting value of the CICs
>> channel=48-62 ;the channels that are CICs
>> sigchan=47
>>
>> cicbeginswith=63 ;the starting value of the CICs
>> channel=63-77 ;the channels that are CICs
>> cicbeginswith=79 ;the starting value of the CICs
>> channel=79-93 ;the channels that are CICs
>> sigchan=78
>>
>> cicbeginswith=94 ;the starting value of the CICs
>> channel=94-108 ;the channels that are CICs
>> cicbeginswith=110 ;the starting value of the CICs
>> channel=110-124 ;the channels that are CICs
>> sigchan=109
>>
>> and the system.conf:
>>
>> loadzone=us
>> defaultzone=us
>>
>> #Sangoma A101 port 1 [slot:4 bus:2 span:1] <wanpipe1>
>> span=1,1,0,ccs,hdb3
>> bchan=1-15,17-31
>> echocanceller=mg2,1-15,17-31
>> mtp2=16
>>
>> #Sangoma A101 port 1 [slot:9 bus:2 span:2] <wanpipe2>
>> span=2,2,0,ccs,hdb3
>> bchan=32-46,48-62
>> echocanceller=mg2,32-46,48-62
>> mtp2=47
>>
>> #Sangoma A101 port 1 [slot:10 bus:2 span:3] <wanpipe3>
>> span=3,3,0,ccs,hdb3
>> bchan=63-77,79-93
>> echocanceller=mg2,63-77,79-93
>> mtp2=78
>>
>> #Sangoma A101 port 1 [slot:11 bus:2 span:4] <wanpipe4>
>> span=4,4,0,ccs,hdb3
>> bchan=94-108,110-124
>> echocanceller=mg2,94-108,110-**124
>> mtp2=109
>>
>> I've used the above configuration countless times with problems - I am
>> stumped.
>>
>> Any help and suggestions appreciated and welcome.
>>
>>
>>
>> Best regards,
>> Geoffrey
>>
>>
>>
>>
>>
>>
>> --
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>>
>
>
> --
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> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>
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--
BIPIN RAGHUVANSHI
OPERATION HEAD
ASTERISK (DEVELOPMENT AND RESEARCH)
WWW.EHORIZONS.IN
011-32323262
011-46334633
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