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Here is how to do this if you have an MBG and SIP trunkshttp://phonesystemhelp.info/blog/2018/01/17/how-to-block-incoming-calls-on-mbg-using-sip/
I stumbled across my original doc on how to do this.I've made it available hereRalph
Did you try this link?Quote from: ralph on August 03, 2018, 10:33:32 PMI stumbled across my original doc on how to do this.I've made it available hereRalph