[Spce-user] NCOS Problem

Klaus Darilion klaus.mailinglists at pernau.at
Tue May 22 11:23:47 EDT 2012


Hi!

I have problems to understand how NCOS works.

I have created 2 empty NCOS Levels:
   "empty_blacklist" --> blacklist
   "empty_whitelist" --> whitelist

When the subscribers does not have any NCOS applied, everything works 
fine. When applying an NCOS Level I would expect that the 
"empty_blacklist" still allows all destinations, but the 
"empty_whitelist" denies all destination - is this assumption correct?

A) I provisioned the subscriber with empty_whitelist as 'ncos'. Then all 
calls gets blocked with "Blocked by NCOS level". This is what I 
expected, nevertheless the log messages confuses me:

<script>: Check Administrative NCOS level - M=INVITE 
R=sip:00431505641636 at sipprovider.labs.nic.at 
F=sip:sipmausi002 at sipprovider.labs.nic.at 
T=sip:00431505641636 at sipprovider.labs.nic.at IP=83.136.33.3:25488 
(127.0.0.1:5060) ID=ODFmNWY5NGFjOTY0M2Q0MWMwOGFlYmVjY2I3N2RhYWM.
<script>: Check User NCOS level - M=INVITE ....
<script>: Check NCOS level id '5' against callee '00431505641636' - 
M=INVITE .....
<script>: NCOS level results: mode='whitelist', result='0', local_ac='0' 
- M=INVITE ...
<script>: NCOS LNP provider id is '<null>' - M=INVITE ...
<script>: NCOS LNP check blocked for missing provider id in whitelist 
mode - M=INVITE ...
<script>: NCOS check failed, reject call - M=INVITE ...

The 'NCOS LNP check blocked for missing provider id in whitelist mode' 
confuses me - is there something I forgot to provision?



B) Then I provisioned the subscriber with empty_blacklist as 'ncos'. 
Then again all call gets blocked with "Blocked by NCOS level". This is 
not what I expected:

<script>: Check Administrative NCOS level - M=INVITE 
R=sip:00431505641636 at sipprovider.labs.nic.at 
F=sip:sipmausi002 at sipprovider.labs.nic.at 
T=sip:00431505641636 at sipprovider.labs.nic.at IP=83.136.33.3:25488 
(127.0.0.1:5060) ID=MzYyNzcwNGRhMmQ4YzcxYzNiOTE0NDMzZjIwNTliZGY.
<script>: Check User NCOS level - M=INVITE ...
<script>: Check NCOS level id '4' against callee '00431505641636' - 
M=INVITE ...
<script>: NCOS level results: mode='blacklist', result='0', local_ac='0' 
- M=INVITE ...
<script>: NCOS result check failed, reject call - M=INVITE ...

Thanks
Klaus




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