407 Proxy authentication required

Hi friends,

Im trying the basic call from Vocal to asterisk.

accroding to the whenever the user 8500 is called in vocal from 1001 user of vocal, the call should land to 12346 extension of asterisk.

but im facing 407 proxy authentication required.

im sending my log of asterisk.

<-- SIP read from 172.16.50.56:5060:
INVITE sip:12346@172.16.50.56:6065 SIP/2.0
Via: SIP/2.0/UDP 172.16.50.56:5060;branch=153fb6d8ca52776345a9e9ba1ad97da7.4
Via: SIP/2.0/UDP 172.16.50.56:5105;branch=724638092c7eb17a1a1bd7ab866e0cbc101
Via: SIP/2.0/UDP 172.16.50.56:5060;branch=93542f3853de033311e77d99bfbca6fd.2
Via: SIP/2.0/UDP 172.16.50.56:8001;rport;branch=z9hG4bK3B69547BB9379345C39A104A5298638E
To: sip:8500@172.16.50.56
From: 1001 sip:1001@172.16.50.56:8001;tag=260545739
Call-ID: 1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56
CSeq: 52419 INVITE
Max-Forwards: 69
Record-Route: sip:12346@172.16.50.56:5060;maddr=172.16.50.56,sip:8500@172.16.50.56:5105;maddr=172.16.50.56,sip:8500@172.16.50.56:5060;maddr=172.16.50.56
Contact: sip:1001@172.16.50.56:8001
User-Agent: X-Lite release 1105d
Content-Type: application/sdp
Content-Length: 260

v=0
o=1001 3937101166 3937101217 IN IP4 172.16.50.56 s=X-Lite c=IN IP4 172.16.50.56 t=0 0 m=audio 13000 RTP/AVP 0 8 98 101 a=rtpmap:0 pcmu/8000
a=rtpmap:8 pcma/8000
a=rtpmap:98 iLBC/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv

— (15 headers 12 lines)—
Using INVITE request as basis request - 1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56
Sending to 172.16.50.56 : 5060 (non-NAT) Reliably Transmitting (no NAT) to 172.16.50.56:5060:
SIP/2.0 407 Proxy Authentication Required
Via: SIP/2.0/UDP 172.16.50.56:5060;branch=153fb6d8ca52776345a9e9ba1ad97da7.4;received=172.16.50.56
Via: SIP/2.0/UDP 172.16.50.56:5105;branch=724638092c7eb17a1a1bd7ab866e0cbc101
Via: SIP/2.0/UDP 172.16.50.56:5060;branch=93542f3853de033311e77d99bfbca6fd.2
Via: SIP/2.0/UDP 172.16.50.56:8001;rport;branch=z9hG4bK3B69547BB9379345C39A104A5298638E
From: 1001 sip:1001@172.16.50.56:8001;tag=260545739
To: sip:8500@172.16.50.56;tag=as5cbdfaa8
Call-ID: 1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56
CSeq: 52419 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Contact: sip:12346@172.16.50.56:6065
Proxy-Authenticate: Digest realm=“asterisk”, nonce="5c670000"
Content-Length: 0


Scheduling destruction of call ‘1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56’ in 15000 ms Found user ‘1001’

<-- SIP read from 172.16.50.56:5060:
ACK sip:12346@172.16.50.56:6065 SIP/2.0
Via: SIP/2.0/UDP 172.16.50.56:5060;received=172.16.50.56;branch=153fb6d8ca52776345a9e9ba1ad97da7.4
To: sip:8500@172.16.50.56;tag=as5cbdfaa8
From: 1001 sip:1001@172.16.50.56:8001;tag=260545739
Call-ID: 1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56
CSeq: 52419 ACK
Max-Forwards: 70
Content-Length: 0

— (8 headers 0 lines)—

<-- SIP read from 172.16.50.56:5065:
INVITE sip:9unknown@172.16.50.56:6065 SIP/2.0
Via: SIP/2.0/UDP 172.16.50.56:5065;branch=9ce7919a8cec091eff6bf584dc27ce6e.4
Via: SIP/2.0/UDP 172.16.50.56:5060;branch=8220da7df957179d7c51c3692a09f0d6.2
Via: SIP/2.0/UDP 172.16.50.56:8001;rport;branch=z9hG4bK1D64524D9C61872BC2E9CA82C400A62D
To: sip:unknown@172.16.50.56
From: 1001 sip:1001@172.16.50.56:8001;tag=260545739
Call-ID: 1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56
CSeq: 52420 INVITE
Max-Forwards: 69
Record-Route: sip:9unknown@172.16.50.56:5065;maddr=172.16.50.56,sip:unknown@172.16.50.56:5060;maddr=172.16.50.56
Contact: sip:1001@172.16.50.56:8001
User-Agent: X-Lite release 1105d
Content-Type: application/sdp
Content-Length: 260

v=0
o=1001 3937101166 3937101217 IN IP4 172.16.50.56 s=X-Lite c=IN IP4 172.16.50.56 t=0 0 m=audio 13000 RTP/AVP 0 8 98 101 a=rtpmap:0 pcmu/8000
a=rtpmap:8 pcma/8000
a=rtpmap:98 iLBC/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv

— (14 headers 12 lines)—
Using INVITE request as basis request - 1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56
Sending to 172.16.50.56 : 5065 (non-NAT) Reliably Transmitting (no NAT) to 172.16.50.56:5065:
SIP/2.0 407 Proxy Authentication Required
Via: SIP/2.0/UDP 172.16.50.56:5065;branch=9ce7919a8cec091eff6bf584dc27ce6e.4;received=172.16.50.56
Via: SIP/2.0/UDP 172.16.50.56:5060;branch=8220da7df957179d7c51c3692a09f0d6.2
Via: SIP/2.0/UDP 172.16.50.56:8001;rport;branch=z9hG4bK1D64524D9C61872BC2E9CA82C400A62D
From: 1001 sip:1001@172.16.50.56:8001;tag=260545739
To: sip:unknown@172.16.50.56;tag=as5cbdfaa8
Call-ID: 1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56
CSeq: 52420 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Contact: sip:12346@172.16.50.56:6065
Proxy-Authenticate: Digest realm=“asterisk”, nonce="580d948f"
Content-Length: 0


Scheduling destruction of call ‘1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56’ in 15000 ms Found user ‘1001’

<-- SIP read from 172.16.50.56:5065:
ACK sip:9unknown@172.16.50.56:6065 SIP/2.0
Via: SIP/2.0/UDP 172.16.50.56:5065;received=172.16.50.56;branch=9ce7919a8cec091eff6bf584dc27ce6e.4
To: sip:unknown@172.16.50.56;tag=as5cbdfaa8
From: 1001 sip:1001@172.16.50.56:8001;tag=260545739
Call-ID: 1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56
CSeq: 52420 ACK
Max-Forwards: 70
Content-Length: 0

— (8 headers 0 lines)—

<-- SIP read from 172.16.50.56:5065:
INVITE sip:9unknown@172.16.50.56:6065 SIP/2.0
Via: SIP/2.0/UDP 172.16.50.56:5065;branch=1806c639d3477bd17f6b176df2c27c94.4
Via: SIP/2.0/UDP 172.16.50.56:5060;branch=e13c5632f4d7ee5e6e2954c9eeba3a5e.2
Via: SIP/2.0/UDP 172.16.50.56:8001;rport;branch=z9hG4bK0A496CA4E09211DBEB0902B5442925AD
To: sip:unknown@172.16.50.56
From: 1001 sip:1001@172.16.50.56:8001;tag=260545739
Call-ID: 1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56
CSeq: 52421 INVITE
Max-Forwards: 69
Record-Route: sip:9unknown@172.16.50.56:5065;maddr=172.16.50.56,sip:unknown@172.16.50.56:5060;maddr=172.16.50.56
Contact: sip:1001@172.16.50.56:8001
User-Agent: X-Lite release 1105d
Content-Type: application/sdp
Content-Length: 260

v=0
o=1001 3937101166 3937101217 IN IP4 172.16.50.56 s=X-Lite c=IN IP4 172.16.50.56 t=0 0 m=audio 13000 RTP/AVP 0 8 98 101 a=rtpmap:0 pcmu/8000
a=rtpmap:8 pcma/8000
a=rtpmap:98 iLBC/8000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=sendrecv

— (14 headers 12 lines)—
Using INVITE request as basis request - 1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56
Sending to 172.16.50.56 : 5065 (non-NAT) Reliably Transmitting (no NAT) to 172.16.50.56:5065:
SIP/2.0 407 Proxy Authentication Required
Via: SIP/2.0/UDP 172.16.50.56:5065;branch=1806c639d3477bd17f6b176df2c27c94.4;received=172.16.50.56
Via: SIP/2.0/UDP 172.16.50.56:5060;branch=e13c5632f4d7ee5e6e2954c9eeba3a5e.2
Via: SIP/2.0/UDP 172.16.50.56:8001;rport;branch=z9hG4bK0A496CA4E09211DBEB0902B5442925AD
From: 1001 sip:1001@172.16.50.56:8001;tag=260545739
To: sip:unknown@172.16.50.56;tag=as5cbdfaa8
Call-ID: 1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56
CSeq: 52421 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Contact: sip:12346@172.16.50.56:6065
Proxy-Authenticate: Digest realm=“asterisk”, nonce="65ba27a7"
Content-Length: 0


Scheduling destruction of call ‘1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56’ in 15000 ms Found user ‘1001’

<-- SIP read from 172.16.50.56:5065:
ACK sip:9unknown@172.16.50.56:6065 SIP/2.0
Via: SIP/2.0/UDP 172.16.50.56:5065;received=172.16.50.56;branch=1806c639d3477bd17f6b176df2c27c94.4
To: sip:unknown@172.16.50.56;tag=as5cbdfaa8
From: 1001 sip:1001@172.16.50.56:8001;tag=260545739
Call-ID: 1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56
CSeq: 52421 ACK
Max-Forwards: 70
Content-Length: 0

— (8 headers 0 lines)—
Destroying call '1EF94938-78BC-E05B-F3A3-C271A7F4EC76@172.16.50.56’
Destroying call ‘03bbedad1f435ee2600520b06b0d685e@172.16.50.56’

pls help me as this is urgent.

regards
Kiran