operator assisted calls造句
例句與造句
- Rates for credit-card calls also are set to increase by 6 percent, and operator assisted calls by 4 percent.
- In addition, Class 4 switches traditionally provided operator assisted calls such as person-to-person, collect, and calls billed to third parties.
- Operator assisted calls to international destinations were handled by " Code 10 " and " Code 11 " operators generally co-located at special gateway International Switching Systems.
- Additionally there are special numbers with the following conventions : 3 digit numbers for emergency systems, four digit numbers, 15NN for information and governmental institutions and 17NN for commercial and banking institutions with a high call influx, 6 digit numbers for Telephone carriers numbers and making operator assisted calls, collect calls.
- It's difficult to find operator assisted calls in a sentence. 用operator assisted calls造句挺難的