chan_sip.c:14889 handle_response_invite: Failed to authentic

Asterisk Asterisk Support
1

hello,

this is my test network

client1
--------asterisk1—asterisk2
client2

if I do a dial(call) from client1 to asterisk2, and asterisk2 forward it to asterisk1, asterisk 1 do an error (that I can see at the asterisk2 cli)

chan_sip.c:14889 handle_response_invite: Failed to authenticate on INVITE to

have you an idea?

thank you