[cisco-voip] Ringback instead of busy/disconnect

[O'Brien, Neil]

Hi,

 

I posted about this while back but I thought it was an isolated incident
relating to the provider.

 

Basically, from an external phone, if I dial a DDI number that doesn't
have an extension set up in call manager, I hear ringback for about 20
seconds before I get the busy/disconnect tone.  As I said, I thought
this was an isolated incident on one particular site relating to a BRI
but tests have show it actual happens on another site (same CM cluster)
for a PRI.

 

I'm guessing this is might be a H323 signalling issue (all gateways are
H323) or Call Manager issue but I don't know what to even look for.

 

Any help would be appreciated.  I will be logging a TAC case for it but
I thought I'd post anyway in case it's a known (obviously not to me)
issue.

 

Thanks,

 

Neil

 

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