Recall on busy wrong behaviour with DND

[Stell0]

When a user is in DND, recall on busy is proposed to the caller, but he is called back suddenly after he hangup even if other party is still in DND. Also, it shouldn't be allowed to book the callback if user is in DND because DND state endure for a lot of time, even days, there's no point of calling back when DND is removed

Steps to reproduce

• Enable recall on busy
• Call user in DND

Expected behavior

• recall on busy isn't proposed

Actual behavior

• Recall on busy proposed and call back start suddenly after hangup

[nethbot]

in 7.9.2009/nethesis-testing:

• recallonbusy-1.0.2-1.1.gf6c3f75.ns7.noarch.rpm x86_64

[nethbot]

in 7.9.2009/nethesis-testing:

• recallonbusy-1.0.2-1.2.g11aa24d.ns7.noarch.rpm x86_64

[nethbot]

in 7.9.2009/nethesis-testing:

• recallonbusy-1.0.2-1.3.g40fe70f.ns7.noarch.rpm x86_64

[nethbot]

in 7.9.2009/nethesis-updates:

• recallonbusy-1.0.3-1.ns7.noarch.rpm x86_64