Hello, I must admit that I have never set up an asterisk system with R2 signalling. But from the config files
point of view, you stated TE_SIG_MODE in wanpipe1.conf as ccs which should be cas, right ? If this does not help, you need to connect an external E1 Monitor. Regards, Hans Am 08.03.22 um 06:41 schrieb Carlos Chavez: > Last month we switched a Panasonic pbx with a Freepbx 16 > appliance. We use a single E1 in MFC/R2 (Mexico) with Telmex as a > provider. This was connected for a couple of days for testing with no > problems before the client moved offices to a new location. In the new > location we are now having a problem every few days where we get the > following error: > > [2022-03-07 07:30:11] ERROR[3469][C-0000004c] chan_dahdi.c: Chan 10 - > Protocol error. Reason = Seize Timeout, R2 State = Seize Transmitted, MF > state = MF Engine Off, MF Group = Forward MF init, CAS = 0x08 > [2022-03-07 07:30:44] ERROR[29573] chan_dahdi.c: Chan 10 - Protocol > error. Reason = Seize Timeout, R2 State = Clear Forward Transmitted, MF > state = MF Engine Off, MF Group = Forward MF init, CAS = 0x08 > [2022-03-07 07:32:15] ERROR[3704][C-0000004e] chan_dahdi.c: Chan 10 - > Protocol error. Reason = Seize Timeout, R2 State = Seize Transmitted, MF > state = MF Engine Off, MF Group = Forward MF init, CAS = 0x08 > [2022-03-07 07:32:52] ERROR[29573] chan_dahdi.c: Chan 10 - Protocol > error. Reason = Seize Timeout, R2 State = Clear Forward Transmitted, MF > state = MF Engine Off, MF Group = Forward MF init, CAS = 0x08 > > When we see that error the E1 will no longer send or receive > calls. Our solution has been to stop and restart Asterisk and > Wanconfig/Dahdi to restore service. Since restarting solves it I am > wondering if the problem is on my side and not on the providers. So far > it happens once or twice a week. When we report this to the provider > they simply state that the problem is on our side (it is their default > position) unless we can provide evidence to the contrary. Any > recommendations on how to debug this? > > Here is wanpipe1.conf: > [devices] > wanpipe1 = WAN_AFT_TE1, Comment > > [interfaces] > w1g1 = wanpipe1, , TDM_VOICE, Comment > > [wanpipe1] > CARD_TYPE = AFT > S514CPU = A > CommPort = PRI > AUTO_PCISLOT = NO > PCISLOT = 4 > PCIBUS = 8 > 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 = 16 > 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 = NO # YES: receive dtmf events from hardware > TDMV_HW_FAX_DETECT = NO # 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 > > Here is system.conf > > span=1,1,0,CAS,HDB3 > cas=1-10,11-15,17-31:1101 > echocanceller=oslec,1-10,11-15,17-31 > loadzone=mx > defaultzone=mx > > Here is chan_dahdi.conf > > signalling=mfcr2 > mfcr2_variant=mx > mfcr2_get_ani_first=no > mfcr2_max_ani=10 > mfcr2_max_dnis=4 > mfcr2_category=national_priority_subscriber > mfcr2_call_files=no > mfcr2_mfback_timeout=-1 > mfcr2_metering_pulse_timeout=-1 > mfcr2_allow_collect_calls=yes > mfcr2_double_answer=no > mfcr2_immediate_accept=no > mfcr2_accept_on_offer=yes > mfcr2_skip_category=no > mfcr2_forced_release=no > mfcr2_charge_calls=yes > group=0 > context=from-digital > channel=>1-10 > -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- Check out the new Asterisk community forum at: https://community.asterisk.org/ New to Asterisk? 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