[Asterisk-Users] Can't dial SIP<->EuroISDN (HFC-S based PCI ISDN card): Unable to create channel of type 'Zap'

kleis-asterisk-dev at tiscali.it kleis-asterisk-dev at tiscali.it
Mon Jul 26 07:35:48 MST 2004


Hi,

I'm trying to set up an Asterisk pbx based on a Fedora Core 1 Linux box
(customized kernel version 2.4.24). I want calls from my SIP soft-phones
to simply be dumped onto the PSTN line via a BRI (EuroISDN). I have a cheap
HFC-S based PCI ISDN card connected to the NT1+ interface, so I need zaphfc.
I've read everything I've found at www.voip-info.org, then I've downloaded
the latest bri-stuff.0.1.0-RC2g (released just today!) and started the installation.

My extensions.conf is:

	[default]
	...cut...
	ignorepat => 9
	exten => 9,1,Dial(Zap/g1/)	; direct outbound dialing
	exten => 9,2,Congestion

Here's my zaptel.conf:

	loadzone=it
	defaultzone=it

	span=1,1,3,ccs,ami
	bchan=1-2
	dchan=3

Here's my zapata.conf:

	[channels]
	;
	; Default language
	;
	;language=en
	;
	; Default context
	;
	;
	switchtype = euroisdn
	; p2mp TE mode
	signalling = bri_cpe_ptmp

	pridialplan=local
	prilocaldialplan=local
	echocancel=yes
	immediate=yes
	group = 1
	context=default
	channel => 1-2

Here's my channels map:

	Zaptel Configuration
	======================

	SPAN 1: CCS/ AMI Build-out: 399-533 feet (DSX-1)

	Channel map:

	Channel 01: Individual Clear channel (Default) (Slaves: 01)
	Channel 02: Individual Clear channel (Default) (Slaves: 02)
	Channel 03: D-channel (Default) (Slaves: 03)

	3 channels configured.

Finally, here's my sip.conf:

	[general]
	context=default                 ; Default context for incoming calls
	...cut...
	disallow=all                    ; First disallow all codecs
	allow=gsm                       ; Allow codecs in order of preference
	allow=ulaw
	allow=alaw

	...cut...

	[alessandro]
	type=friend
	username=alessandro
	secret=bissoli
	host=dynamic
	dtmfmode=rfc2833
	disallow=all
	allow=gsm
	allow=alaw
	allow=ulaw



When I run asterisk and dial from the SIP phone I get this error:
   
    -- Executing Dial("SIP/alessandro-0f69", "Zap/g1/") in new stack Jul
26 14:27:31 NOTICE[311313]: app_dial.c:711 dial_exec: Unable to create channel
of type 'Zap'
  == Everyone is busy/congested at this time
    -- Executing Congestion("SIP/alessandro-0f69", "") in new stack
  == Spawn extension (default, 9, 2) exited non-zero on 'SIP/alessandro-0f69'

I really don't know what is wrong! Do you have any hints, please?

Alex

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