Direct Distance Dialing: Call Completion and Customer Retrial Behavior
- 1 March 1980
- journal article
- website
- Published by Institute of Electrical and Electronics Engineers (IEEE) in Bell System Technical Journal
- Vol. 59 (3) , 295-311
- https://doi.org/10.1002/j.1538-7305.1980.tb03009.x
Abstract
Most customers placing a direct-distance-dialing (DDD) call in the United States are able to complete the call on the first attempt. However, it is reasonable to expect that the probability of an initial completion will be less than 1. When an initia...Keywords
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