asterisk users - Oct 2006 - Without ZapTel inferface or Card install , is Conference working or Not

Hello Users,

Is Without Zaptel interface Installed,  conference  Bridge is worked  or 
not.  

Why it need, For SIP  conferences through  OpenSER....

Please Help me
For me  its Giving Some Errors and warnings. 

*== Parsing '/etc/asterisk/meetme.conf': Found
Oct 25 18:16:13 WARNING[12281]: chan_zap.c:913 zt_open: Unable to open 
'/dev/zap/pseudo': No such file or directory
Oct 25 18:16:13 ERROR[12281]: chan_zap.c:7396 chandup: Unable to dup 
channel: No such file or directory
Oct 25 18:16:13 WARNING[12281]: app_meetme.c:460 build_conf: Unable to 
open pseudo channel - trying device
Oct 25 18:16:13 WARNING[12281]: app_meetme.c:463 build_conf: Unable to 
open pseudo device
    -- Playing 'conf-invalid' (language 'en')


*

-- 
Thanks & Regards,
*Ravi Prakash Sunkara*
  		*M*:+91 9985077535*
O*:+91 40 23114549*
F*:+91 40 40208727

/*ravi.sunkara@hyperion-tech.com
www.hyperion-tech.com
*/

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On Wed, 2006-10-25 at 19:52 +0530, sunkara wrote:
> Hello Users, 
> 
> Is Without Zaptel interface Installed,  conference  Bridge is worked
> or not.   
> 
> Why it need, For SIP  conferences through  OpenSER.... 
> 
> Please Help me
> For me  its Giving Some Errors and warnings.  
> 
	You need to install Ztdummy so you can use meetme and Music on Hold.
If you are using kernel 2.4 you need to have USB ports on your machine
for timing, for kernel 2.6 there are no external requirements to compile
ztdummy.

-- 
Carlos Chavez Prats
Director de Tecnolog?a
Telecomunicaciones Abiertas de M?xico S.A. de C.V.
Tel: +52-55-91169161 Ext 2001
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>
> Is Without Zaptel interface Installed,  conference  Bridge is worked  or
> not.
>
> Why it need, For SIP  conferences through  OpenSER....
>
Zaptel interfaces provide timing that is necessary for meetme conferences.
When you start a conference, on the cli you can see that asterisk opens a
"ZAP/pseudo" channel.  So, if you don't have a zaptel card, as
Carlos said,
you need to emulate a zaptel interface, and you do that with ztdummy.

- Noah
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