MWI "Notify" Error on Audiocodes MP-124

Asterisk Asterisk Support
1

Hi Guys,

I?m having problems configuring MWI on my Audiocodes MP-124 FXS.
When my Asterisks send the “Notify” command to the Audiocodes, It
responds with a "481 Call/Transaction Does Not Exist"
I?m using Asterisk 1.2.9.1.