[cisco-voip] CUCM6+E1 PRI A-law

Ryan Ratliff rratliff at cisco.com
Thu Oct 29 14:31:16 EDT 2009


The compand type on your POTS leg has nothing to do with the codec or  
compand type on the voip leg.

Is this causing any problems or just something you noticed?

-Ryan

On Oct 29, 2009, at 2:20 PM, Oleg Skomorokhov wrote:

Hello all.

I've got a e1 pri line in my office, terminating by cisco 2821. The  
compand type for E1 (Europe) is A-law, and show voice port 0/0/0:15  
also tells me that.
E1 is registered via mgcp, and i also see the compand type A-law in  
options there.

When i press the question button twice during the pstn call, the  
negotiated codec is u-law.

The default codec in Region is "G711" (no option for a-law or u-law)

Is there such an option in CUCM to change the default modulation type  
for g711 codec?

Thank you.
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