Ohio Telephone Company Ameritech Claims Improvement in Customer Service.

Jul. 25--Ameritech, which was under siege a year ago because of customer complaints, said it has improved its service to business and residential customers in Ohio.

In a report for the April-June period to be filed soon with the Public Utilities Commission of Ohio, Ameritech says it installed service within five days more than 94 percent of the time and kept more than 93 percent of installation appointments. The PUCO standard is 90 percent in both cases.

Ameritech said it improved the wait time of customers calling into the business office. Calls into Ohio's call centers were answered in an average of 43 seconds in the second quarter, compared to 55 seconds …