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# BHCC and BHCA

Viewing 12 posts - 91 through 102 (of 102 total)
• Author
Posts
Pankaj
Guest

i am from network field i want to know more about vdn(vector directory number).can anyone give me information how it works.

Vineet Kumar Dohare
Guest

How 1 erlang traffic is defined??

Vineet Kumar Dohare
Guest

If i am not wrong:
BHCA for 16K erlang(CAT-A)=800K
BHCA for 8K Erlang switch (CAT-B)=500K

mirza
Guest

hi vineet kumar,
its definations is ” if a circuit is bussy for 1 hour its mean 1 erlang traffic has been passed.”
example
if we have a average 3 mint call how much erlang has been passed is
3/60=.05 Erlang has been passed.
regards
mirza

Prajakta
Guest

10,000 subscribers are connected to an exchange.If the exchange is designed to achieve a call completion rate of 0.8 when the busy hour calling rate is 4.8, what is the BHCA that can be supported by the exchange?

Engineer
Guest

How we can increase ASR ?

Krishnan
Guest

hi prajakta

well if i relating to your question correctly

here

BHCC = 4.8
ASR = 0.8
BHCA = ?

Now the relation is

BHCC = BHCA * ASR
4.8/0.8 = BHCA
BHCA = 6

alwasy BHCA > BHCC as it involves unsuccesful attempts of calls

i hope i haveinterpreted ur question rite .

regards
Krish

mostafa
Guest

i have a statistical result for BHCA toatl per subs and BHCA Mobile pe subs in several hour of one day,and i need to know how to calculate the BHCA per subs,for me i think the average is the correct value,but other’s think that the we must take the biggest BHCA
thanks for ur time and ur help

san
Guest

Using a single node at 100% CPU capabilities and 100 % utilization for the SS7 links ,please provide performance numbers in terms of voice messages per seconds and BHCA “Busy Hour Call Attempt” that the system can handle for the following scenarios

Average voice message duration
20 sec
30 sec
40 sec
50 sec
60 sec

Please state the characteristics of the CPUs used for these benchmark tests.

rahul
Guest

what is diff between e1 and t1

james
Guest

would some 1 please give me an explanation of ASR(answer to seizure ratio) as a quality parameter.

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