Generic selectors
Exact matches only
Search in title
Search in content

Reply To: Number of lines?

#33166
Alex Yuen
Guest

Number of lines required

The number of lines required is under a predefined grade of service e.g. 0.5% of GOS or 0.1% of GOS at peak busy hour ( normally will be the typical type of services, different services will have different peak busy hour)

e.g. local telephone lines
at 0.5% of GOS at peak busy hour,
erlang B is using with full availability, 10 lines only offers to carry 3.96 erlang.