Registration issues using Linksys RT31P2

Hi all!

I cant register my linksys RT31P2. Anyone have experiences with this?
I tried to register with my openser too, and in this case, it was sucessfull.

Do you see something in the messages?

U ip.linksys:5060 -> ip.asterisk:5060 
REGISTER sip:ip.asterisk SIP/2.0. 
Via: SIP/2.0/UDP ip.linksys:5060;branch=z9hG4bK-317ee1c5. 
From: linksys <sip:link...@ip.asterisk>;tag=4c647d9c983371fdo0. 
To: linksys <sip:link...@ip.asterisk>. 
Call-ID: 80aa2958-39355...@ip.linksys. 
CSeq: 10 REGISTER. 
Max-Forwards: 70. 
Authorization: Digest 
username="linksys",realm="asterisk",nonce="176b77d3",uri="sip:ip.asterisk", algorithm=MD5,response="afae3e5528 
af1d0cccadf952afff6bcc". 
Contact: linksys <sip:link...@ip.linksys:5060>;expires=3600. 
User-Agent: Linksys/RT31P2-3.1.3(LI). 
Content-Length: 0. 
Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER. 
Supported: x-sipura. 
. 
U ip.asterisk:5060 -> ip.linksys:5060 
SIP/2.0 401 Unauthorized. 
Via: SIP/2.0/UDP ip.linksys: 
5060;branch=z9hG4bK-317ee1c5;received=ip.linksys. 
From: linksys <sip:link...@ip.asterisk>;tag=4c647d9c983371fdo0. 
To: linksys <sip:link...@ip.asterisk>;tag=as2e5a3a6f. 
Call-ID: 80aa2958-39355...@ip.linksys. 
CSeq: 10 REGISTER. 
User-Agent: Asterisk PBX. 
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. 
Supported: replaces. 
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", 
nonce="5e1087b8". 
Content-Length: 0. 
. 
U ip.linksys:5060 -> ip.asterisk:5060 
REGISTER sip:ip.asterisk SIP/2.0. 
Via: SIP/2.0/UDP ip.linksys:5060;branch=z9hG4bK-80016b82. 
From: linksys <sip:link...@ip.asterisk>;tag=4c647d9c983371fdo0. 
To: linksys <sip:link...@ip.asterisk>. 
Call-ID: 80aa2958-39355...@ip.linksys. 
CSeq: 11 REGISTER. 
Max-Forwards: 70. 
Authorization: Digest 
username="linksys",realm="asterisk",nonce="5e1087b8",uri="sip:ip.asterisk", algorithm=MD5,response="30dfec31ab 
d3a1a94f5fbbd59a01d0bc". 
Contact: linksys <sip:link...@ip.linksys:5060>;expires=3600. 
User-Agent: Linksys/RT31P2-3.1.3(LI). 
Content-Length: 0. 
Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER. 
Supported: x-sipura. 
. 
U ip.asterisk:5060 -> ip.linksys:5060 
SIP/2.0 401 Unauthorized. 
Via: SIP/2.0/UDP ip.linksys: 
5060;branch=z9hG4bK-80016b82;received=ip.linksys. 
From: linksys <sip:link...@ip.asterisk>;tag=4c647d9c983371fdo0. 
To: linksys <sip:link...@ip.asterisk>;tag=as2e5a3a6f. 
Call-ID: 80aa2958-39355...@ip.linksys. 
CSeq: 11 REGISTER. 
User-Agent: Asterisk PBX. 
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. 
Supported: replaces. 
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", 
nonce="5bb6bed6". 
Content-Length: 0. 
. 
U ip.linksys:5060 -> ip.asterisk:5060 
REGISTER sip:ip.asterisk SIP/2.0. 
Via: SIP/2.0/UDP ip.linksys:5060;branch=z9hG4bK-877747f7. 
From: linksys <sip:link...@ip.asterisk>;tag=4c647d9c983371fdo0. 
To: linksys <sip:link...@ip.asterisk>. 
Call-ID: 80aa2958-39355...@ip.linksys. 
CSeq: 12 REGISTER. 
Max-Forwards: 70. 
Authorization: Digest 
username="linksys",realm="asterisk",nonce="5bb6bed6",uri="sip:ip.asterisk", algorithm=MD5,response="6f557226d4 
42ffc176897be03f9c0d84". 
Contact: linksys <sip:link...@ip.linksys:5060>;expires=3600. 
User-Agent: Linksys/RT31P2-3.1.3(LI). 
Content-Length: 0. 
Allow: ACK, BYE, CANCEL, INFO, INVITE, NOTIFY, OPTIONS, REFER. 
Supported: x-sipura. 
. 
U ip.asterisk:5060 -> ip.linksys:5060 
SIP/2.0 401 Unauthorized. 
Via: SIP/2.0/UDP ip.linksys: 
5060;branch=z9hG4bK-877747f7;received=ip.linksys. 
From: linksys <sip:link...@ip.asterisk>;tag=4c647d9c983371fdo0. 
To: linksys <sip:link...@ip.asterisk>;tag=as2e5a3a6f. 
Call-ID: 80aa2958-39355...@ip.linksys. 
CSeq: 12 REGISTER. 
User-Agent: Asterisk PBX. 
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. 
Supported: replaces. 
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", 
nonce="72aebc9f". 
Content-Length: 0. 
. 
U ip.asterisk:5060 -> ip.linksys:5060 
SIP/2.0 401 Unauthorized. 
Via: SIP/2.0/UDP ip.linksys: 
5060;branch=z9hG4bK-317ee1c5;received=ip.linksys. 
From: linksys <sip:link...@ip.asterisk>;tag=4c647d9c983371fdo0. 
To: linksys <sip:link...@ip.asterisk>;tag=as2e5a3a6f. 
Call-ID: 80aa2958-39355...@ip.linksys. 
CSeq: 10 REGISTER. 
User-Agent: Asterisk PBX. 
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. 
Supported: replaces. 
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", 
nonce="5e1087b8". 
Content-Length: 0. 
. 
U ip.asterisk:5060 -> ip.linksys:5060 
SIP/2.0 401 Unauthorized. 
Via: SIP/2.0/UDP ip.linksys: 
5060;branch=z9hG4bK-80016b82;received=ip.linksys. 
From: linksys <sip:link...@ip.asterisk>;tag=4c647d9c983371fdo0. 
To: linksys <sip:link...@ip.asterisk>;tag=as2e5a3a6f. 
Call-ID: 80aa2958-39355...@ip.linksys. 
CSeq: 11 REGISTER. 
User-Agent: Asterisk PBX. 
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY. 
Supported: replaces. 
WWW-Authenticate: Digest algorithm=MD5, realm="asterisk", 
nonce="5bb6bed6". 
Content-Length: 0. 
... 
... 

sip.conf

[linksys]
host=ip.linksys
username=linksys
secret=my-pass
type=peer
insecure=very
disallow=all
allow=g729&ulaw&alaw
auth=md5
context=from-linksys

Thanks in advance.