I have registered a new number but can not receive calls. follows the tcpdump and configuration:
14:55:10.684634 IP 192.168.1.1.5065 > 192.168.1.202.5080: UDP, bad length 1673 > 1472
E...f. .@.jS..............6.INVITE sip:gw+5c3c087c-84c6-4c81-bf0b-f910bca81c33@192.168.1.202:5080;transport=UDP;user=phone SIP/2.0
From: <sip:+3902xxxx@telecomitalia.it;user=phone>;tag=1bc7918-7f000001-13e2-50029-42db-2c898022-42db
To: <sip:**02@modemtelecom.homenet.telecomitalia.it;user=phone>
Call-ID: 1be2490-7f000001-13e2-50029-42db-71e5fb3c-42db
CSeq: 1 INVITE
Via: SIP/2.0/UDP 192.168.1.1:5065;branch=z9hG4bK-42db-10527b9-59a85103
Max-Forwards: 66
Accept: application/sdp,application/isup,application/xml
Accept-Contact: *;audio;+g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel"
Supported: timer,100rel
Session-ID: 1b28b684985a19daed23ff2e3954fdfd
Allow: INVITE, ACK, BYE, CANCEL, INFO, OPTIONS, REFER, SUBSCRIBE, NOTIFY, UPDATE, PRACK
P-Asserted-Identity: <sip:+3902xxxx@telecomitalia.it;user=phone>
P-Called-Party-ID: <tel:+3906xxxx>
Min-SE: 180
Contact: <sip:+3902xxxx@192.168.1.1:5065;transport=UDP;user=phone>;audio;+g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel"
User-Agent: Technicolor / VDNT-S / AGVTF_5.3.3 / AGVTF_5.3.3
Proxy-Authorization: Digest username="+3906xxxx",realm="modemtelecom.homenet.telecomitalia.it",nonce="d93bc4c5-66d1-4d17-b72f-a6a07bf9eefd",uri="sip:gw+5c3c087c-84c6-4c81-bf0b-f910bca81c33@192.168.1.202:5080;transport=UDP",response="3eabfb51b55398724e3bfe87ac813050",algorithm=MD5,cnonce="10527bb",qop=auth,nc=00000010
Content-Type: application/sdp
Content-Length: 229
v=0
o=- 2134125489 42472937
14:55:10.685132 IP 192.168.1.202.5080 > 192.168.1.1.5065: UDP, length 381
Eh......@.S
................SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.1.1:5065;branch=z9hG4bK-42db-10527b9-59a85103
From: <sip:+3902xxxx@telecomitalia.it;user=phone>;tag=1bc7918-7f000001-13e2-50029-42db-2c898022-42db
To: <sip:**02@modemtelecom.homenet.telecomitalia.it;user=phone>
Call-ID: 1be2490-7f000001-13e2-50029-42db-71e5fb3c-42db
CSeq: 1 INVITE
User-Agent: FreeSWITCH
Content-Length: 0
14:55:10.686547 IP 192.168.1.202.5080 > 192.168.1.1.5065: UDP, length 775
Eh.#....@.Q................<SIP/2.0 407 Proxy Authentication Required
Via: SIP/2.0/UDP 192.168.1.1:5065;branch=z9hG4bK-42db-10527b9-59a85103
From: <sip:+3902xxxx@telecomitalia.it;user=phone>;tag=1bc7918-7f000001-13e2-50029-42db-2c898022-42db
To: <sip:**02@modemtelecom.homenet.telecomitalia.it;user=phone>;tag=3UyS2XpSaajvF
Call-ID: 1be2490-7f000001-13e2-50029-42db-71e5fb3c-42db
CSeq: 1 INVITE
User-Agent: FreeSWITCH
Accept: application/sdp
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
Supported: timer, path, replaces
Allow-Events: talk, hold, conference, refer
Proxy-Authenticate: Digest realm="modemtelecom.homenet.telecomitalia.it", nonce="15c78fec-a0c7-43c5-8927-a0bb8df628eb", stale=true, algorithm=MD5, qop="auth"
Content-Length: 0
14:55:10.696540 IP 192.168.1.1.5065 > 192.168.1.202.5080: UDP, length 605
E..yf...@................e..ACK sip:gw+5c3c087c-84c6-4c81-bf0b-f910bca81c33@192.168.1.202:5080;transport=UDP;user=phone SIP/2.0
From: <sip:+3902xxxx@telecomitalia.it;user=phone>;tag=1bc7918-7f000001-13e2-50029-42db-2c898022-42db
To: <sip:**02@modemtelecom.homenet.telecomitalia.it;user=phone>;tag=3UyS2XpSaajvF
Call-ID: 1be2490-7f000001-13e2-50029-42db-71e5fb3c-42db
CSeq: 1 ACK
Via: SIP/2.0/UDP 192.168.1.1:5065;branch=z9hG4bK-42db-10527b9-59a85103
Max-Forwards: 70
User-Agent: Technicolor / VDNT-S / AGVTF_5.3.3 / AGVTF_5.3.3
Contact: <sip:+3902xxxx@192.168.1.1:5065;transport=UDP;user=phone>
Content-Length: 0
14:55:10.684634 IP 192.168.1.1.5065 > 192.168.1.202.5080: UDP, bad length 1673 > 1472
E...f. .@.jS..............6.INVITE sip:gw+5c3c087c-84c6-4c81-bf0b-f910bca81c33@192.168.1.202:5080;transport=UDP;user=phone SIP/2.0
From: <sip:+3902xxxx@telecomitalia.it;user=phone>;tag=1bc7918-7f000001-13e2-50029-42db-2c898022-42db
To: <sip:**02@modemtelecom.homenet.telecomitalia.it;user=phone>
Call-ID: 1be2490-7f000001-13e2-50029-42db-71e5fb3c-42db
CSeq: 1 INVITE
Via: SIP/2.0/UDP 192.168.1.1:5065;branch=z9hG4bK-42db-10527b9-59a85103
Max-Forwards: 66
Accept: application/sdp,application/isup,application/xml
Accept-Contact: *;audio;+g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel"
Supported: timer,100rel
Session-ID: 1b28b684985a19daed23ff2e3954fdfd
Allow: INVITE, ACK, BYE, CANCEL, INFO, OPTIONS, REFER, SUBSCRIBE, NOTIFY, UPDATE, PRACK
P-Asserted-Identity: <sip:+3902xxxx@telecomitalia.it;user=phone>
P-Called-Party-ID: <tel:+3906xxxx>
Min-SE: 180
Contact: <sip:+3902xxxx@192.168.1.1:5065;transport=UDP;user=phone>;audio;+g.3gpp.icsi-ref="urn%3Aurn-7%3A3gpp-service.ims.icsi.mmtel"
User-Agent: Technicolor / VDNT-S / AGVTF_5.3.3 / AGVTF_5.3.3
Proxy-Authorization: Digest username="+3906xxxx",realm="modemtelecom.homenet.telecomitalia.it",nonce="d93bc4c5-66d1-4d17-b72f-a6a07bf9eefd",uri="sip:gw+5c3c087c-84c6-4c81-bf0b-f910bca81c33@192.168.1.202:5080;transport=UDP",response="3eabfb51b55398724e3bfe87ac813050",algorithm=MD5,cnonce="10527bb",qop=auth,nc=00000010
Content-Type: application/sdp
Content-Length: 229
v=0
o=- 2134125489 42472937
14:55:10.685132 IP 192.168.1.202.5080 > 192.168.1.1.5065: UDP, length 381
Eh......@.S
................SIP/2.0 100 Trying
Via: SIP/2.0/UDP 192.168.1.1:5065;branch=z9hG4bK-42db-10527b9-59a85103
From: <sip:+3902xxxx@telecomitalia.it;user=phone>;tag=1bc7918-7f000001-13e2-50029-42db-2c898022-42db
To: <sip:**02@modemtelecom.homenet.telecomitalia.it;user=phone>
Call-ID: 1be2490-7f000001-13e2-50029-42db-71e5fb3c-42db
CSeq: 1 INVITE
User-Agent: FreeSWITCH
Content-Length: 0
14:55:10.686547 IP 192.168.1.202.5080 > 192.168.1.1.5065: UDP, length 775
Eh.#....@.Q................<SIP/2.0 407 Proxy Authentication Required
Via: SIP/2.0/UDP 192.168.1.1:5065;branch=z9hG4bK-42db-10527b9-59a85103
From: <sip:+3902xxxx@telecomitalia.it;user=phone>;tag=1bc7918-7f000001-13e2-50029-42db-2c898022-42db
To: <sip:**02@modemtelecom.homenet.telecomitalia.it;user=phone>;tag=3UyS2XpSaajvF
Call-ID: 1be2490-7f000001-13e2-50029-42db-71e5fb3c-42db
CSeq: 1 INVITE
User-Agent: FreeSWITCH
Accept: application/sdp
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY
Supported: timer, path, replaces
Allow-Events: talk, hold, conference, refer
Proxy-Authenticate: Digest realm="modemtelecom.homenet.telecomitalia.it", nonce="15c78fec-a0c7-43c5-8927-a0bb8df628eb", stale=true, algorithm=MD5, qop="auth"
Content-Length: 0
14:55:10.696540 IP 192.168.1.1.5065 > 192.168.1.202.5080: UDP, length 605
E..yf...@................e..ACK sip:gw+5c3c087c-84c6-4c81-bf0b-f910bca81c33@192.168.1.202:5080;transport=UDP;user=phone SIP/2.0
From: <sip:+3902xxxx@telecomitalia.it;user=phone>;tag=1bc7918-7f000001-13e2-50029-42db-2c898022-42db
To: <sip:**02@modemtelecom.homenet.telecomitalia.it;user=phone>;tag=3UyS2XpSaajvF
Call-ID: 1be2490-7f000001-13e2-50029-42db-71e5fb3c-42db
CSeq: 1 ACK
Via: SIP/2.0/UDP 192.168.1.1:5065;branch=z9hG4bK-42db-10527b9-59a85103
Max-Forwards: 70
User-Agent: Technicolor / VDNT-S / AGVTF_5.3.3 / AGVTF_5.3.3
Contact: <sip:+3902xxxx@192.168.1.1:5065;transport=UDP;user=phone>
Content-Length: 0