The ratio of number of successful calls to the number of call attempts is known as ______

Related MCQs

• If a group of trunk is offered 1200 calls during the busy hour & 20 calls are lost along with the average call duration of about 7 min, then what would be the total duration of congestion period?
• During Busy hour, 1000 calls were offered to a group of trunks and 5 calls were lost. The average call duration was 2 minutes. Find Grade of Service (B)
• During Busy hour, 1200 calls were offered to a group of trunks and 6 calls were lost. The average call duration was 3 minutes. Find Traffic carried(Ac)
• If a group of trunk is offered 1200 calls during the busy hour & 20 calls are lost along with the average call duration of about 7 min, then what would be the total duration of congestion period?
• A group of 10 servers carry a traffic of 5E. If the average duration of calls is 1.5 minutes, calculate the number of calls put through by a single server and a group as a whole in 1 hr period.
• Erlang determined GoS of lost call system of finite number of trunks based on assumptions: 1. Pure chance traffic 2. Statistical equilibrium 3. Full availability 4. calls which face congestion and get lost
• A group of 20 servers carry a traffic of 10 Erlangs. If average duration of calls is 3 minutes, calculate the no. of calls put through by a single server and a group as a whole in 1 hour period.
• In cellular telephone network, which component controls the switching between public wireline telephone network and the base station of cells for supporting the different calls between landline to mobile, mobile to landline and mobile to mobile calls?
• Over 20 minutes observation interval, 40 subscribers initiate a call. Total duration of calls is 4800sec. Calculate load offered to network by the subscribers and average subscriber traffic?
• Over 10 minutes observation interval, 20 subscribers initiate a call. Total duration of calls is 2400sec. Calculate load offered to network by the subscribers and average subscriber traffic?