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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