What is the reason that sometimes we get network busy
message in mobiles while attempting a call?
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Answer Posted / vinit92
gsm can handle a 18 to 20 calls at a time in a second where as cdma handle 30 to 32 calls at a time in a second ..
when in gsm no. of calls increases more than the 18 or above it's capacity then bts will handled only those calls which are in process and reject those calls which are remaining.
when no. of call capacity increase then bts have no another freq. to allocate a new user so it will send a particular signal to msc. in msc is programmed by particular software when this things happen whenever then controller will send signal to bts and bts will send us signal like this "network is busy"... and this signal we will receive when call handling capacity increase more then it's capacity ..
it is depends on the programming to use :network is busy", we can also use this type of msg. "out of coverage","the no. is not available " etc..... as per the program.
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