Md. Code Regs. 20.45.05.03
B. The Company shall maintain adequate personnel and equipment to assure that operator answering performance is provided as follows based upon a sampling of calls over a 1-month period for those offices sufficient in size to provide a statistically reliable service measurement sample:
| Class of Call | Minimum Acceptable Standard |
| Toll and Assistance (Cord Board) | 83% Within 10 Seconds |
| Directory Assistance — % Slow Answer | 79% Within 10 Seconds |
| Directory Assistance — Average Interval | 7.8 Seconds |
| Intercept — % Slow Answer | 79% Within 10 Seconds |
| Operator Identified DDD | 93% Within 5 Seconds |
| Official P.B.X. | 83% Within 10 Seconds |
Authority: Public Utilities Article, §§2-121, 5-101, and 5-303, Annotated Code of Maryland
Effective date: January 1, 1976 (Order No. 61496)
Regulation .03 amended effective March 18, 2013 (40:5 Md. R. 412)
Regulation .07F amended effective January 23, 1981 (8:2 Md. R. 117)
Regulation .11B amended effective January 1, 1976 (Order No. 61570)
Regulations .11 and .12 repealed effective July 31, 1995 (22:15 Md. R. 1121)