SMS on Xperia 10 II with VoLTE is received twice

REPRODUCIBILITY: 30%
OS VERSION: 4.4.0.68
HARDWARE: Xperia 10 II
UI LANGUAGE: en
REGRESSION: no

DESCRIPTION:

When an SMS is sent to a Xperia 10 II with Sailfish 4.4.0.68 the Sailfish device may receive it twice.

PRECONDITIONS:

Xperia 10 II with Sailfish 4.4.0.68 and VoLTE enabled as receiving device.

STEPS TO REPRODUCE:

  1. send one sms to sailfish device

EXPECTED RESULT:

SMS received once

ACTUAL RESULT:

SMS received twice

MODIFICATIONS:

patchmanager with swipe right patch

ADDITIONAL INFORMATION:

Similar for me, but a slightly more random amount of times i think.

I experienced this on 4.4.0.68 before I had VoLTE working.