Hi all, My problem boils down to these errors:
... Unable to create channel of type 'ZAP' (cause 34 - Circuit/channel congestion) == Everyone is busy/congested at this time This is triggered by lines in extentions.conf such as: exten => _X.,1,Dial(ZAP/g1/${EXTEN},,W) The system is CentOS v5.2 with Asterisk 1.4.23 (druid-asterisk-1.4.23.1-2), a Sangoma A104 4-port card, Wanpipe v3.4.4 and Zaptel v1.4.12.1. The system is attached to a single EuroISDN PRI and is located in the Netherlands. Besides the above error, I also noticed this: CLI> pri show span 1 Primary D-channel: 16 Status: Provisioned, Down, Active Switchtype: EuroISDN Type: CPE Window Length: 0/7 Sentrej: 0 SolicitFbit: 0 Retrans: 0 Busy: 0 Overlap Dial: 0 T200 Timer: 1000 T203 Timer: 10000 T305 Timer: 30000 T308 Timer: 4000 T309 Timer: -1 T313 Timer: 4000 N200 Counter: 3 The status needs to be "Provisioned, Up, Active." Following Sangoma's instructions for debugging an Asterisk PRI span, I can confirm that there are only outgoing frames and that the D-channel messages in Asterisk are the same as what the Wanpipe drivers are seeing. So, assuming that my local telco (KPN Telecom) has activated the D-channel, what else could possibly be causing this problem? Thanks, Jaap PS -- Below are my current configuration files and debugging output: ==begin zaptel.conf ==================== loadzone=us defaultzone=us span=1,0,0,ccs,hdb3 bchan=1-15,17-31 hardhdlc=16 ==end zaptel.conf ====================== ==begin 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 = 13 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 LBO = 120OH FE_TXTRISTATE = NO MTU = 1500 UDPPORT = 9000 TTL = 255 IGNORE_FRONT_END = NO TDMV_SPAN = 1 TDMV_DCHAN = 16 TDMV_HW_DTMF = NO TDMV_HW_FAX_DETECT = NO [w1g1] ACTIVE_CH = ALL TDMV_HWEC = NO ==end wanpipe1.conf ==================== ==begin zapata.conf ==================== [trunkgroups] [channels] context=default usecallerid=yes hidecallerid=no callwaiting=yes usecallingpres=yes callwaitingcallerid=yes threewaycalling=yes transfer=yes canpark=yes cancallforward=yes callreturn=yes echocancel=yes echocancelwhenbridged=yes relaxdtmf=yes rxgain=0.0 txgain=0.0 group=1 callgroup=1 pickupgroup=1 immediate=no switchtype=euroisdn context=default group=1 signalling=pri_cpe channel =>1-15,17-31 ==end zapata.conf ====================== Here's some debugging output: === begin debug info ================================================== # ztcfg -vv Zaptel Version: 1.4.12.1 Echo Canceller: MG2 Configuration ====================== SPAN 1: CCS/HDB3 Build-out: 0 db (CSU)/0-133 feet (DSX-1) Channel map: Channel 01: Clear channel (Default) (Slaves: 01) Channel 02: Clear channel (Default) (Slaves: 02) Channel 03: Clear channel (Default) (Slaves: 03) Channel 04: Clear channel (Default) (Slaves: 04) Channel 05: Clear channel (Default) (Slaves: 05) Channel 06: Clear channel (Default) (Slaves: 06) Channel 07: Clear channel (Default) (Slaves: 07) Channel 08: Clear channel (Default) (Slaves: 08) Channel 09: Clear channel (Default) (Slaves: 09) Channel 10: Clear channel (Default) (Slaves: 10) Channel 11: Clear channel (Default) (Slaves: 11) Channel 12: Clear channel (Default) (Slaves: 12) Channel 13: Clear channel (Default) (Slaves: 13) Channel 14: Clear channel (Default) (Slaves: 14) Channel 15: Clear channel (Default) (Slaves: 15) Channel 16: Hardware assisted D-channel (Default) (Slaves: 16) Channel 17: Clear channel (Default) (Slaves: 17) Channel 18: Clear channel (Default) (Slaves: 18) Channel 19: Clear channel (Default) (Slaves: 19) Channel 20: Clear channel (Default) (Slaves: 20) Channel 21: Clear channel (Default) (Slaves: 21) Channel 22: Clear channel (Default) (Slaves: 22) Channel 23: Clear channel (Default) (Slaves: 23) Channel 24: Clear channel (Default) (Slaves: 24) Channel 25: Clear channel (Default) (Slaves: 25) Channel 26: Clear channel (Default) (Slaves: 26) Channel 27: Clear channel (Default) (Slaves: 27) Channel 28: Clear channel (Default) (Slaves: 28) Channel 29: Clear channel (Default) (Slaves: 29) Channel 30: Clear channel (Default) (Slaves: 30) Channel 31: Clear channel (Default) (Slaves: 31) 31 channels to configure. # wanrouter status Devices currently active: wanpipe1 Wanpipe Config: Device name | Protocol Map | Adapter | IRQ | Slot/IO | If's | CLK | Baud rate | wanpipe1 | N/A | A101/1D/A102/2D/4/4D/8| 169 | 4 | 1 | N/A | 0 | Wanrouter Status: Device name | Protocol | Station | Status | wanpipe1 | AFT TE1 | N/A | Connected | # ifconfig w1g1 w1g1 Link encap:Point-to-Point Protocol UP POINTOPOINT RUNNING NOARP MTU:8 Metric:1 RX packets:5281234 errors:0 dropped:0 overruns:0 frame:0 TX packets:5281234 errors:0 dropped:0 overruns:0 carrier:4 collisions:0 txqueuelen:100 RX bytes:0 (0.0 b) TX bytes:0 (0.0 b) Interrupt:169 Memory:f8b40000-f8b41fff # === end debug info ==================================================== -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? 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