Topical Terminology > Block Calls
1 Definition
Block Calls
For Block Calls we have a term and definition in Telco.
Block Calls (Telco) 
Prevent calls from completing to the requested destination. May be due to network problems (outage, overload, etc.), or by customer request (e.g. block calls from-or-to certain NPAs, NXXs, States, LATAs, etc.).
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