[cisco-voip] Provider not recognizing my busy PRI?

[Ryan Ratliff]

ChangeBChannelMaintenance does not actually set the b-channel busy on  
your end.  It just sets it busy internal to CallManager so that CM  
wont' use the b-channel.  It's intended to be used with fractional PRIs.

If you want some b-channels busied out use commands on the router to  
do so.

-Ryan

On Jul 18, 2007, at 10:28 AM, c3voip wrote:

I have a multi-PRI trunk group from my PSTN provider that rolls to  
the next PRI when the first one fills up with incoming calls.  I was  
doing some testing last night with the MGCP Change B-Channel  
Maintenance Status fields in Service Parameters.  I successfully  
busied out the first PRI and then was unable to make inbound calls to  
my numbers (call cannot be completed recording).  I then cleared the  
PRI and was able to take calls again.  So I shutdown the serial  
interface and was able to take calls on the next PRI.



Is there something wrong with my PRI setup that would cause my  
provider to not recognize when I busy out my B-channels?  Is there  
something that I need to request from my provider in order for them  
to recognize my busy outs?





Thanks,

-C



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