14 L 38 38 40 Local events 39 20 41 16 44 22 42 21 ms-call-source ( 18, 19) 19 18 20 18 23 18 18 19 19 M 19 18 Message processing 14 20 32 16 32 22 33 21 34 19 32 19 33 23 34 22 ms-early-media 18 19 13 19 Messages 19 14 20 13 19 14 20 14 19 14 14 14 34 15 34 15 35 13 36 13 37 13 35 21 23 21 23 22 23 22 initialization ( 23, 58) 22 23 22 23 22 23 22 23 14 15 45 54 45 55 47 56 45 55 48 22 51 22 48 22 20 22 21 23 example 22 38 22 41 22 21 15 21 51 21 52 21 52 21 53 21
L Local events 20 16 22 21 19 20 23 18 M Message processing 20 16 22 21 19 19 23 22 18 13 Messages 14 13 14 14 14 14 15 15 13 13 13 21 21 22 22 22 22 22 22 14 45 45 47 45 48 51 48 20 21 example 38 41 21 21 21 21 21 21 14 38 38 40 39 41 44 42 ms-call-source ( 18, 19) 18 18 18 19 19 19 18 14 32 32 33 34 32 33 34 ms-early-media 19 19 19 20 19 20 19 14 34 34 35 36 37 35 23 23 23 initialization ( 23, 58) 23 23 23 23 15 54 55 56 55 22 22 22 22 23 22 22 22 15 51 52 52 53