And of course I forgot the most important stuff:
Asterisk version: 1.4.22
DAHDI Linux: 2.2.0.2
DAHDI Tools: 2.2.0
----- "Vinícius Fontes" <vinic...@canall.com.br> escreveu:
> I have a pretty large setup on one of my customers. Digium TE420B
> (with echo cancelling module), 3 Xorcom Astribanks with 32 FXS each
> and 1 Xorcom Astribank with 16 FXO. These FXO ports are NOT used for
> fax/data transmission, as they are connected to cell phones. Not
> really related to the issue, but there are also 250 SIP phones.
>
> The problem is that fax and dial-up connections are really unreliable.
> Faxes send and received rarely get more than 2 pages without giving a
> transmission error and sending garbage to the other end. Not
> connecting at all (and stating COMMUNICATION ERROR) is not uncommon.
> As of dial-up connections, of course I'm not expecting to get 33600 on
> that, but this customer has some dedicated systems that must dial the
> "mothership" and use low speeds like 9600. I also have
> echocancelwhenbridged=no set up on all PRI and FXS channels.
>
> I really don't know what else I could do to solve the problem.
> xpp_sync is set to DAHDI so the same sync received from telco is used
> on the FXS ports. For the TE420, only two spans are being used today.
> One of them is set as the sync master (1) and all others to slaves
> (0). Spans 1 and 3 are connected to the telco, the others are not
> being used.
>
> Follows my config files (snipped to the relevant portions, because
> most are really big) and some other related info. Any hints on how to
> solve this will be really really appreciated.
>
>
> /etc/dahdi/system.conf:
> loadzone=br
> defaultzone=br
>
> span=1,1,0,ccs,hdb3,crc4
> bchan=1-15,17-31
> hardhdlc=16
>
> span=2,0,0,ccs,hdb3,crc4
> bchan=32-46,48-62
> hardhdlc=47
>
> span=3,0,0,ccs,hdb3,crc4
> bchan=63-77,79-93
> hardhdlc=78
>
> span=4,0,0,ccs,hdb3,crc4
> bchan=94-108,110-124
> hardhdlc=109
>
> echocanceller=oslec,125-162
> echocanceller=oslec,163-200
> echocanceller=oslec,201-238
> echocanceller=oslec,239-254
>
> fxoks=125-162
> fxoks=163-200
> fxoks=201-238
> fxsls=239-254
>
>
>
>
> /etc/asterisk/chan_dahdi.conf:
> [trunkgroups]
>
> [channels]
> language=pt_BR
> group=1
> switchtype=euroisdn
> pridialplan=unknown
> prilocaldialplan=unknown
> priindication=outofband
> signalling=pri_cpe
> echocancel=yes
> echocancelwhenbridged=no
> relaxdtmf=no
>
> switchtype=euroisdn
> context=e1-embratel
> group=1
> signalling=pri_cpe
> channel =>1-15,17-31
>
> switchtype=euroisdn
> context=e1-bp250
> group=2
> signalling=pri_net
> overlapdial=yes
> channel =>32-46,48-62
>
> switchtype=euroisdn
> context=e1-embratel
> group=1
> signalling=pri_cpe
> channel => 63-77,79-91
>
> switchtype=euroisdn
> echocancel=yes
> context=e1-embratel
> group=3
> signalling=pri_cpe
> channel =>94-108,110-124
>
> context=ddd
> echocancel=256
> echocancelwhenbridged=no
> usecallerid=yes
> cidsignalling=bell
> cidstart=ring
> threewaycalling=yes
> callwaiting=no
> transfer=yes
> relaxdtmf=no
> txgain=0.0
> rxgain=0.0
> language=pt_BR
> cancallforward=yes
> signalling=fxo_ks
> callgroup=1
> pickupgroup=1
> ;flash=500
> ;rxflash=500
>
> ;Cadencias padrao
> cadence=125,125,2000,-4000
> cadence=250,250,500,1000,250,250,500,-4000
> cadence=125,125,125,125,125,-4000
> cadence=1000,500,2500,-5000
>
> ;Chamada interna
> cadence=500,300,500,3500,500,300,500,-4000
>
> ;Ring continuo
> cadence=10000,1,60000,1
>
> callerid="" <7875>
> context=fax
> callwaiting=no
> callgroup=3
> pickupgroup=3
> mailbox=7875
> channel => 125
>
>
> /etc/asterisk/extensions.conf:
> [fax]
> ignorepat => 0
> include => local
>
> ;Ligacoes locais
> exten => _0XXXXXXXX,1,SetTransferCapability(3K1AUDIO)
> exten => _0XXXXXXXX,n,Dial(DAHDI/g1/${EXTEN:1},60)
>
> ;Ligacoes DDD - telefones fixos
> exten => _00XX[2-6]XXXXXXX,1,SetTransferCapability(3K1AUDIO)
> exten => _00XX[2-6]XXXXXXX,n,Dial(DAHDI/g1/021${EXTEN:2},60)
>
>
> # dahdi_test:
> svoip01:~# dahdi_test -vv
> Opened pseudo dahdi interface, measuring accuracy...
>
> 8192 samples in 8199.664 system clock sample intervals (100.094%)
> 8192 samples in 8198.728 system clock sample intervals (100.082%)
> 8192 samples in 8191.720 system clock sample intervals (99.997%)
> 8192 samples in 8190.992 system clock sample intervals (99.988%)
> 8192 samples in 8191.456 system clock sample intervals (99.993%)
> 8192 samples in 8191.664 system clock sample intervals (99.996%)
> 8192 samples in 8191.880 system clock sample intervals (99.999%)^C
> --- Results after 7 passes ---
> Best: 99.999 -- Worst: 99.906 -- Average: 99.970915, Difference:
> 100.021108
>
>
> # xpp_sync:
> svoip01:~# xpp_sync
> Current sync: DAHDI
> Best Available Syncers:
> XBUS-01 (@usb-0000:00:1d.7-6) [usb:0000142] [ FXO*2 ]
> XBUS-00 (@usb-0000:00:1d.7-5) [usb:1254] [ FXS*4 ]
> XBUS-02 (@usb-0000:00:1d.7-3.1) [usb:X1036520] [ FXS*4 ]
> XBUS-03 (@usb-0000:00:1d.7-3.2) [usb:X1036521] [ FXS*4 ]
> ==================================================
> WARNING: FXO which is not the syncer cause bad PCM
> Affected Astribanks are:
> --------------------------------------------------
> XBUS-01
> ==================================================
>
>
>
> # cat /proc/interrupts
> CPU0 CPU1
> 0: 13949 0 IO-APIC-edge timer
> 1: 4056 0 IO-APIC-edge i8042
> 8: 1 0 IO-APIC-edge rtc0
> 9: 0 0 IO-APIC-fasteoi acpi
> 14: 63 0 IO-APIC-edge ide0
> 16: 1039995212 0 IO-APIC-fasteoi eth0, wct4xxp
> 20: 172594 1269814212 IO-APIC-fasteoi ehci_hcd:usb1,
> uhci_hcd:usb2
> 21: 0 0 IO-APIC-fasteoi uhci_hcd:usb3
> 22: 0 0 IO-APIC-fasteoi uhci_hcd:usb4
> 219: 64752376 0 PCI-MSI-edge ioc0
> NMI: 0 0 Non-maskable interrupts
> LOC: 993263108 915510467 Local timer interrupts
> RES: 16326632 9071480 Rescheduling interrupts
> CAL: 303 529 function call interrupts
> TLB: 1521462 4810165 TLB shootdowns
> TRM: 0 0 Thermal event interrupts
> SPU: 0 0 Spurious interrupts
> ERR: 0
> MIS: 0
>
>
>
> Vinícius Fontes
> www.asteriskforum.com.br - Informações e discussão sobre Asterisk e
> telefonia IP
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