[asterisk-users] Zap FXS slow to reset?

[Andrew Kohlsmith]

On Sunday 04 February 2007 2:29 pm, Scott Walde wrote:
> I have the following dialplan (segment) that isn't working as I expected
> it to:
>
> exten => s,n,Dial(Zap/1&SIP/202&SIP/203,18)
> exten => s,n,Dial(Zap/1&SIP/201&SIP/202&SIP/203,42)
>
> The plan was to have SIP/201 added to the group of ringing phones after
> 3 or so rings.  What ends up happening, though, is the Zap/1 phone STOPs
> ringing when the dialplan falls through to the second line.  The log
> reports:
>
> Feb  4 09:20:52 WARNING[26889] chan_zap.c: Unable to ring phone: Device
> or resou
> rce busy
>
> So, it seems to me that the Zap interface isn't ready yet to take
> another call.
>
> Is there another way I can accomplish the same thing?
> This method seems to work great when I'm dealing with all SIP phones.
> This one kind of blindsided me.

I've run into this too at my house; the solution was to have a wait(1) between 
them but, as you've mentioned, this does cause other problems.  It's amazing  
how often you *will* run into that 1-second gap.

-A.