[Serusers] asterisk and ser combine, 407 proxy authentucation required !

[zhaomin]

hello! 
 I want to realized asterisk+ser combine working,ser is working fine and asterisk working well I think,I configure sip.conf and extensions.conf  voicemail.conf as the asterisk handbook ,but when I registered 2000 to dial 2001 but I get error :407 proxy authentucation required,    
      where is problem in asterisk or ser ?
blow is the log of x-lite diagnostic,Very appreciation anybody help!
SEND TIME: 201758109
SEND >> 221.202.129.167:5060
INVITE sip:2001 at netvoip.cn SIP/2.0
Via: SIP/2.0/UDP 10.1.16.34:5060;rport;branch=z9hG4bK1DD16D11800A4C6686A65DD7C5662FFF
From: 2000 <sip:2000 at netvoip.cn>;tag=3731060067
To: <sip:2001 at netvoip.cn>
Contact: <sip:2000 at 10.1.16.34:5060>
Call-ID: E3160ED2-7745-4740-8E69-52E6710AF5A2 at 10.1.16.34
CSeq: 53903 INVITE
Max-Forwards: 70
Content-Type: application/sdp
User-Agent: X-Lite release 1103m
Content-Length: 244

v=0
o=2000 201757640 201758109 IN IP4 10.1.16.34
s=X-Lite
c=IN IP4 10.1.16.34
t=0 0
m=audio 8000 RTP/AVP 0 98 97 101
a=rtpmap:0 pcmu/8000
a=rtpmap:98 iLBC/8000
a=rtpmap:97 speex/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15

RECEIVE TIME: 201758859
RECEIVE << 221.202.129.167:5060
SIP/2.0 407 Proxy Authentication Required
Via: SIP/2.0/UDP 10.1.16.34:5060;rport=5339;branch=z9hG4bK1DD16D11800A4C6686A65DD7C5662FFF
From: 2000 <sip:2000 at netvoip.cn>;tag=3731060067
To: <sip:2001 at netvoip.cn>;tag=b83deba332858fe2da009af570355a70.3a3b
Call-ID: E3160ED2-7745-4740-8E69-52E6710AF5A2 at 10.1.16.34
CSeq: 53903 INVITE
Proxy-Authenticate: Digest realm="netvoip.cn", nonce="42e896c750edabc9057e78d345379a4991b02378"
Server: Sip EXpress router (0.10.99-dev7 (i386/linux))
Content-Length: 0
Warning: 392 221.202.129.167:5060 "Noisy feedback tells:  pid=28404 req_src_ip=61.136.210.7 req_src_port=5339 in_uri=sip:2001 at netvoip.cn out_uri=sip:2001 at netvoip.cn via_cnt==1"


SEND TIME: 201758859
SEND >> 221.202.129.167:5060
ACK sip:2001 at netvoip.cn SIP/2.0
Via: SIP/2.0/UDP 10.1.16.34:5060;rport;branch=z9hG4bK1DD16D11800A4C6686A65DD7C5662FFF
From: 2000 <sip:2000 at netvoip.cn>;tag=3731060067
To: <sip:2001 at netvoip.cn>;tag=b83deba332858fe2da009af570355a70.3a3b
Contact: <sip:2000 at 10.1.16.34:5060>
Call-ID: E3160ED2-7745-4740-8E69-52E6710AF5A2 at 10.1.16.34
CSeq: 53903 ACK
Max-Forwards: 70
Content-Length: 0


SEND TIME: 201758906
SEND >> 221.202.129.167:5060
INVITE sip:2001 at netvoip.cn SIP/2.0
Via: SIP/2.0/UDP 10.1.16.34:5060;rport;branch=z9hG4bK20B4A3F981D6492C9CA601C9D241F095
From: 2000 <sip:2000 at netvoip.cn>;tag=3731060067
To: <sip:2001 at netvoip.cn>
Contact: <sip:2000 at 10.1.16.34:5060>
Call-ID: E3160ED2-7745-4740-8E69-52E6710AF5A2 at 10.1.16.34
CSeq: 53904 INVITE
Proxy-Authorization: Digest username="2000",realm="netvoip.cn",nonce="42e896c750edabc9057e78d345379a4991b02378",response="337cb9deeceb1bf01e9768b6a5452568",uri="sip:2001 at netvoip.cn"
Max-Forwards: 70
Content-Type: application/sdp
User-Agent: X-Lite release 1103m
Content-Length: 244

v=0
o=2000 201757640 201758109 IN IP4 10.1.16.34
s=X-Lite
c=IN IP4 10.1.16.34
t=0 0
m=audio 8000 RTP/AVP 0 98 97 101
a=rtpmap:0 pcmu/8000
a=rtpmap:98 iLBC/8000
a=rtpmap:97 speex/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15

RECEIVE TIME: 201759640
RECEIVE << 221.202.129.167:5060
SIP/2.0 100 trying -- your call is important to us
Via: SIP/2.0/UDP 10.1.16.34:5060;rport=5339;branch=z9hG4bK20B4A3F981D6492C9CA601C9D241F095
From: 2000 <sip:2000 at netvoip.cn>;tag=3731060067
To: <sip:2001 at netvoip.cn>
Call-ID: E3160ED2-7745-4740-8E69-52E6710AF5A2 at 10.1.16.34
CSeq: 53904 INVITE
Server: Sip EXpress router (0.10.99-dev7 (i386/linux))
Content-Length: 0
Warning: 392 221.202.129.167:5060 "Noisy feedback tells:  pid=28398 req_src_ip=61.136.210.7 req_src_port=5339 in_uri=sip:2001 at netvoip.cn out_uri=sip:2001 at 221.202.129.167:5061 via_cnt==1"


RECEIVE TIME: 201759671
RECEIVE << 221.202.129.167:5060
SIP/2.0 407 Proxy Authentication Required
Via: SIP/2.0/UDP 10.1.16.34:5060;branch=z9hG4bK20B4A3F981D6492C9CA601C9D241F095
From: 2000 <sip:2000 at netvoip.cn>;tag=3731060067
To: <sip:2001 at netvoip.cn>;tag=as6e0c8cea
Call-ID: E3160ED2-7745-4740-8E69-52E6710AF5A2 at 10.1.16.34
CSeq: 53904 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER
Contact: <sip:2001 at 221.202.129.167:5061>
Proxy-Authenticate: Digest realm="asterisk", nonce="43fb4632"
Content-Length: 0


SEND TIME: 201759671
SEND >> 221.202.129.167:5060
ACK sip:2001 at netvoip.cn SIP/2.0
Via: SIP/2.0/UDP 10.1.16.34:5060;rport;branch=z9hG4bK20B4A3F981D6492C9CA601C9D241F095
From: 2000 <sip:2000 at netvoip.cn>;tag=3731060067
To: <sip:2001 at netvoip.cn>;tag=as6e0c8cea
Contact: <sip:2000 at 10.1.16.34:5060>
Call-ID: E3160ED2-7745-4740-8E69-52E6710AF5A2 at 10.1.16.34
CSeq: 53904 ACK
Max-Forwards: 70
Content-Length: 0

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