Hi Paul, 

A SIP SUBSCRIBE will not trigger a LIR.  

A client has to be registered to send a SUSCRIBE (otherwise the P-CSCF will 
reject the SUBSCRIBE as untrusted). When the client successfully registers, the 
200 OK they receive from the P-CSCF will include a Service-Route header, which 
is set to the subscriber's S-CSCF. When the client then makes a new request, 
they are meant to include this value as a route header (and if they don't, the 
P-CSCF will add it). As the subscriber's S-CSCF is known, there is no need to 
do an LIR. 

Ellie

-----Original Message-----
From: Paul Sun [mailto:[email protected]] 
Sent: 28 November 2014 03:45
To: Eleanor Merry; [email protected]
Subject: RE: [Clearwater] 489 Event Package Not supported

Hi Ellie

Will a SIP SUBSCRIBE message trigger a LIR between homestead and HSS?

- PS

-----Original Message-----
From: Eleanor Merry [mailto:[email protected]] 
Sent: Friday, November 28, 2014 3:07 AM
To: Paul Sun; [email protected]
Subject: RE: [Clearwater] 489 Event Package Not supported

Hi,

Clearwater only supports processing and creating a subscription for a SUBSCRIBE 
that has the Event type 'reg'.

If Clearwater receives a SUBSCRIBE with any other Event type (or a SUBSCRIBE 
that isn't targeted at the home domain/the local node, or a SUBSCRIBE that 
doesn't accept 'application/reginfo+xml') then it will simply proxy it on - I 
presume that in this case it's back to the XLite client which then rejects it 
with a 489. 

If it's Clearwater generating the 489 (rather than the subscribee), then can 
you please send me the Sprout debug logs for this?

Thanks,

Ellie

-----Original Message-----
From: [email protected] 
[mailto:[email protected]] On Behalf Of Paul Sun
Sent: 27 November 2014 10:34
To: [email protected]
Subject: [Clearwater] 489 Event Package Not supported

Hi

While testing with X-lite on Clearwater, I noticed that when client send SIP 
SUBSCRIBE, a 489 Event Package Not supported is returned, is it normal?


-          PS
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