IN Nokia system Traffic channel Activation failure is major alarm on Trx Level and Time Slot level. We have find out some ways to resolve this issue.
1. Check your Trx or Timeslots.
2. Check your E1 configuration against Trx.
3.Check your MO ans MS.
4.check your BCC and TSC. if your BCC and TSC are not same. Then might be possible this alarm can be generate.