[sr-dev] [kamailio/kamailio] ims_registar_scscf: Fix subscr data handling in SAA (#630)

[Tsvetomir Dimitrov]

During re-registration, Diameter SAR message is sent to the HSS. It contains User-Data-Already-Available AVP, which by specification (TS 29.228, Table 6.1.2.1) instructs the HSS not to send subscription data. However when SAA is received without User-Data an error is generated. I think this behavior is not correct.

This patch modifies SAA handling so it doesn't try to update local ims subscription information, for the case where there is none received from the HSS.
You can view, comment on, or merge this pull request online at:

  https://github.com/kamailio/kamailio/pull/630

-- Commit Summary --

  * ims_registar_scscf: Fix subscr data handling in SAA

-- File Changes --

    M modules/ims_registrar_scscf/cxdx_sar.c (23)

-- Patch Links --

https://github.com/kamailio/kamailio/pull/630.patch
https://github.com/kamailio/kamailio/pull/630.diff

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