[asterisk-users] half channel audio after upgrade to 1.4.18

[Paul Hales]

Jerry Geis wrote:
> I upgraded from 1.2 to 1.4.18
>
> After upgrading I get half channel audio on SOME phones.
>
> I have Cisco 7960 that works, I have a wireless polycom 8002 phone that 
> works.
> However, my polycom 501's are getting half channel audio on EXTERNAL calls.
> Internal calls are OK.
>
> I have enabled nat=yes on all phones.
>
> What is something else I can try? Any thoughts on why half channel audio 
> after the upgrade?
>
>   
'canreinvite=no' can also help with this.

PaulH