Hello,

as said earlier, it might be a bug. You probably need to investigate the module 
code to get more information. If you are not able to do that, you could create 
an issue on our tracker about it.

Cheers,

Henning

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From: Vinayak Makwana <[email protected]>
Sent: Tuesday, February 14, 2023 12:40 PM
To: [email protected]
Cc: Kamailio (SER) - Users Mailing List <[email protected]>
Subject: [SR-Users] Re: SCA Presence : Record-Route Filed Not Update in 
sca_subscriptions Table

Hello,
      We are getting a New updated call-id and record-route header after 
rebooting the SCA device in SUBSCRIBE Packet. So we have observed in 
sca_subscriptions table it's updating a new call-id field but it's not updating 
the record-route field.

Could you guide us for the above case ?


On Tue, Feb 14, 2023 at 12:06 AM Daniel-Constantin Mierla 
<[email protected]<mailto:[email protected]>> wrote:

Hello,

not the sca developer, nor a user of the module, but if after reboot the UA 
reuses the previous dialog (same call-id, tags, etc.) then record-route should 
not be changed, RFC3261 section 12.2:

   Requests within a dialog MAY contain Record-Route and Contact header

   fields.  However, these requests do not cause the dialog's route set

   to be modified, although they may modify the remote target URI.
I am not aware of other recent RFCs that could amend this specification, but I 
haven't followed closely the RFC published lately.

So from RFC3261 specs perspective, the module is ok. On the other hand, I 
understand the need to be flexible to cope with various SIP systems, therefore 
one can add a modparam to control behaviour and have a mode when the record 
route is updated in such case.

If it is a new dialog after reboot, then a new record should be created by SCA 
module, not updating the old record.

Cheers,
Daniel

On 07.02.23 12:04, Vinayak Makwana wrote:
Hello all,
         I am using the sca module in kamailio script.so when i subscribe with 
my ip phone for SCA Presence i get all the information in a sca_subscriptions 
table for the first time. When I reboot the device I get a new record-route 
header in trace but It does not update record-route Filed in sca_subscriptions 
table.

 Can anyone help me out with this issue ?

Here's modparam configuration
modparam("sca", "db_update_interval", 10 )
modparam("sca", "db_url", DBURL_LOCAL)
modparam( "sca", "line_seize_max_expires", 30)
modparam( "sca", "purge_expired_interval", 1800)
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in error.

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