There were 0 which could not detect
Use of uninitialized value at ./perl.m2 line 40, <FH> chunk 32.
INVITE 1100118012001ACK 1BYE 1200
Use of uninitialized value at ./perl.m2 line 40, <FH> chunk 32.
INVITE 110011801200
Use of uninitialized value at ./perl.m2 line 40, <FH> chunk 32.
18012001ACK 1BYE 1200