@Digidoo
Hier noch als Beispiel der Trace mit dem Softphone PhonerLite, versuche es zur Eingrenzung mal damit (ist Freeware).
1. Phone sendet Register ohne Login (das ist normal)
2. IB beantwortet mit Unauthorized und verlangt dadurch die Login Credentilas vom Phone
3. Das Phone sendet Register mit Login-Daten
4. IB antwortet mit 200 OK
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02:51:37,318: T: 192.168.1.1:5060 (UDP)
REGISTER sip:192.168.1.1 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.119:5060;branch=z9hG4bK80b2ca69b70deb118aeef13300a1d6da;rport
From: "222" <sip:222@192.168.1.1>;tag=2857821168
To: "222" <sip:222@192.168.1.1>
Call-ID: 80B2CA69-B70D-EB11-8AEC-F13300A1D6DA@192.168.1.119
CSeq: 1 REGISTER
Contact: <sip:222@192.168.1.119:5060>;+sip.instance="<urn:uuid:00281825-6068-E911-8335-A7E4C7B24ACC>"
Allow: INVITE, ACK, BYE, CANCEL, INFO, MESSAGE, NOTIFY, OPTIONS, REFER, UPDATE, PRACK
Max-Forwards: 70
Allow-Events: org.3gpp.nwinitdereg
User-Agent: PhonerLite 2.84
Supported: 100rel, replaces, from-change
Expires: 900
Content-Length: 0
-------------------------------------------
02:51:37,321: R: 192.168.1.1:5060 (UDP)
SIP/2.0 401 Unauthorized
From: "222"<sip:222@192.168.1.1>;tag=2857821168
To: "222"<sip:222@192.168.1.1>;tag=f654a720-fe88c0b2-13c4-55013-71dd-3e6130b2-71dd
Call-ID: 80B2CA69-B70D-EB11-8AEC-F13300A1D6DA@192.168.1.119
CSeq: 1 REGISTER
WWW-Authenticate: Digest realm="Home",domain="b2b.domain",nonce="5a7bb401f654a720a032b01",stale=false,algorithm=MD5,qop="auth"
Via: SIP/2.0/UDP 192.168.1.119:5060;rport=5060;branch=z9hG4bK80b2ca69b70deb118aeef13300a1d6da
Supported: replaces,timer
Content-Length: 0
-------------------------------------------
02:51:37,321: T: 192.168.1.1:5060 (UDP)
REGISTER sip:192.168.1.1 SIP/2.0
Via: SIP/2.0/UDP 192.168.1.119:5060;branch=z9hG4bK80b2ca69b70deb118af1f13300a1d6da;rport
From: "222" <sip:222@192.168.1.1>;tag=2857821168
To: "222" <sip:222@192.168.1.1>
Call-ID: 80B2CA69-B70D-EB11-8AEC-F13300A1D6DA@192.168.1.119
CSeq: 2 REGISTER
Contact: <sip:222@192.168.1.119:5060>;+sip.instance="<urn:uuid:00281825-6068-E911-8335-A7E4C7B24ACC>"
Authorization: Digest username="222", realm="Home", nonce="5a7bb401f654a720a032b01", uri="sip:192.168.1.1", response="501e86b47abc4374a8ff862602adc0df", algorithm=MD5, cnonce="80b2ca69b70deb118af0f13300a1d6da", qop=auth, nc=00000001
Allow: INVITE, ACK, BYE, CANCEL, INFO, MESSAGE, NOTIFY, OPTIONS, REFER, UPDATE, PRACK
Max-Forwards: 70
Allow-Events: org.3gpp.nwinitdereg
User-Agent: PhonerLite 2.84
Supported: 100rel, replaces, from-change
Expires: 900
Content-Length: 0
-------------------------------------------
02:51:37,325: R: 192.168.1.1:5060 (UDP)
SIP/2.0 200 OK
From: "222"<sip:222@192.168.1.1>;tag=2857821168
To: "222"<sip:222@192.168.1.1>;tag=f654a560-fe88c0b2-13c4-55013-71dd-35729a02-71dd
Call-ID: 80B2CA69-B70D-EB11-8AEC-F13300A1D6DA@192.168.1.119
CSeq: 2 REGISTER
Allow: INVITE, ACK, BYE, NOTIFY, INFO, CANCEL, MESSAGE, OPTIONS
Supported: replaces,timer
Contact: <sip:222@192.168.1.119:5060>;expires=900;+sip.instance="<urn:uuid:00281825-6068-E911-8335-A7E4C7B24ACC>"
Via: SIP/2.0/UDP 192.168.1.119:5060;rport=5060;branch=z9hG4bK80b2ca69b70deb118af1f13300a1d6da
Content-Length: 0