B400 and no audio on incoming call

Hi,

Enable the debug parameter in file /etc/asterisk/logger.conf, starting asterisk by `asterisk -vvgc -d`. Increase the verbose value by `core set verbose 10000`. Meanwhile enable the debug by ` core set debug on span X` on the console. And see what happens.

it's hard to believe... i have done your steps and instead of what's going wrong, now it's working.
iam realy confused, because i have tried this configuration many times and i didnt have audio on span4. both with signalling = bri_cpe and bri_cpe_ptmp.
i dotn think that enable debugging could resolve this problem....
i will keep it under control, and if it s working for some time i will close this thread as resolved...

any idea why it is working now?

i have reinstalled elastix, and i have still same problem.

i have enabled a log and i found some errors (i have many of same type) whenever i try to call from external:

[Aug 31 10:24:57] [0;31mERROR[0m[6311]: [1;37mutils.c[0m:[1;37m1128[0m [1;37mast_carefulwrite[0m: write() returned error: Broken pipe
[Aug 31 10:25:19] [0;31mERROR[0m[6256]: [1;37mchan_dahdi.c[0m:[1;37m12405[0m [1;37mdahdi_pri_error[0m: Unable to receive TEI from network in state 3(Establish awaiting TEI)!
[Aug 31 10:25:19] [0;31mERROR[0m[6256]: [1;37mchan_dahdi.c[0m:[1;37m12405[0m [1;37mdahdi_pri_error[0m: Received MDL with unsupported management entity 00



i tried with signaling = bri_cpe (compeletly no signal on asterisk console) and with bri_cpe_ptmp i have some debug info

i have another isdn line from another provider and it is working. but with this line where i get problems, i dont know what to do more. i have tried many combinations of dignalling and spans,

please help me

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