[Asterisk-Users] Always get 401 Unauthorized..that normal?

[Kevin P. Fleming]

Matthew Boehm wrote:
> I always get a 401 Unauthorized result before the registration succeedes on
> these SIP phones. Is that normal? A REGISTER packet is sent, then a 100
> Trying, then a 401 Unauthorized, then another REGISTER and another Trying,
> then OK.

I believe this is normal; most of the phones I've tested with initially 
attempt to register without specifying any authentication method. 
Asterisk then declines their registration, and they retry with 
authentication, which (presumably) succeeds.