[asterisk-users] HFC-S zap channels always busy

[Jaap Winius]

Quoting Tzafrir Cohen <tzafrir.cohen at xorcom.com>:

> What do you mean by "In Use"?

    # cat /proc/zaptel/*
    Span 1: ZTHFC1 "HFC-S PCI A Zaptel Driver card 0 [TE]" (MASTER) AMI/CCS

               1 ZTHFC1/0/1 Clear (In use)
               2 ZTHFC1/0/2 Clear (In use)
               3 ZTHFC1/0/3 HDLCFCS (In use)

> When Asterisk runs, they are "(In use)" - by Asterisk.

I would hope so. I do see:

    # asterisk -rx 'pri show spans'
    PRI span 1/0: Provisioned, Up, Active

and

    # asterisk -rx 'zap show channels'
       Chan Extension  Context         Language   MOH Interpret
     pseudo            isdn-in         en         default
          1            isdn-in         en         default
          2            isdn-in         en         default

This is when I use the vzaphfc modules. However, any attempt to dial  
out via ISDN results in errors like:

     -- Executing [0654314647 at phones:1] Dial("SIP/1000-081f3220",  
"Zap/g0/0654314647 at channels||r") in new stack
[Jan 11 00:12:15] WARNING[1354]: app_dial.c:1130 dial_exec_full:  
Unable to create channel of type 'Zap' (cause 34 - Circuit/channel  
congestion)
   == Everyone is busy/congested at this time (1:0/1/0)
   == Auto fallthrough, channel 'SIP/1000-081f3220' status is 'CONGESTION'
[Jan 11 00:12:15] NOTICE[1354]: cdr.c:434 ast_cdr_free: CDR on channel  
'SIP/1000-081f3220' not posted

In this case, the rule that I use in extensions.conf for dialing out is:

    exten => _X.,1,Dial(Zap/g0/${EXTEN}@channels,,r)

>   signalling=bri_cpe

I've tried that, but unless I'm doing something else wrong  
(hopefully), using "signalling=bri_cpe" instead of  
"signalling=bri_cpe_ptmp" makes no difference.

Thanks,

Jaap