Try deleting all the messages in 'Reject call with message'
I think it would do
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Nokia 5233 (At home)
Nokia 5230 (Broken Display)
Sony Xperia L (Stock 4.2.2, Rooted, 15.3.A.1.14)
Ex-Symbian Modder, new to Android world
Hit "THANKS" button, I appreciate it..