[asterisk-users] cisco phones getting SIP 401 unauthorized

[Jerry Geis]

>
> Hi Jerry, 
>
> Hmm. We had to replace our router with one that supported SIP ALG (we went
> cisco). However, since you mention all the phones are in the LAN this
> shouldn't make a difference. 
>
> Does the problem go away if you go back to the old firewall?
>
> Thanks,
> Matt
>   
unfortunately I cannot do that.

The other thing I noticed was that doing a sip show peers the port used 
to show as 5060
and now it has all differnet numbers 49xxx, 60XXX, etc...

Jerry