Liste des PayLoads pour le RTP

PT        encoding name   audio/video (A/V)  clock rate (Hz)  channels (audio)  Reference
--------  --------------  -----------------  ---------------  ----------------  ---------
0         PCMU            A                  8000             1                 [RFC3551]
1         Reserved      
2         Reserved
3         GSM             A                  8000             1                 [RFC3551]
4         G723            A                  8000             1                 [Kumar]
5         DVI4            A                  8000             1                 [RFC3551]
6         DVI4            A                  16000            1                 [RFC3551]
7         LPC             A                  8000             1                 [RFC3551]
8         PCMA            A                  8000             1                 [RFC3551]
9         G722            A                  8000             1                 [RFC3551]
10        L16             A                  44100            2                 [RFC3551]
11        L16             A                  44100            1                 [RFC3551]
12        QCELP           A                  8000             1                 
13        CN              A                  8000             1                 [RFC3389]
14        MPA             A                  90000                              [RFC3551][RFC2250]
15        G728            A                  8000             1                 [RFC3551]
16        DVI4            A                  11025            1                 [DiPol]
17        DVI4            A                  22050            1                 [DiPol]
18        G729            A                  8000             1
19        Reserved        A
20        Unassigned      A
21        Unassigned      A
22        Unassigned      A
23        Unassigned      A
24        Unassigned      V
25        CelB            V                  90000                              [RFC2029]
26        JPEG            V                  90000                              [RFC2435]
27        Unassigned      V
28        nv              V                  90000                              [RFC3551]
29        Unassigned      V
30        Unassigned      V
31        H261            V                  90000                              [RFC2032]
32        MPV             V                  90000                              [RFC2250]
33        MP2T            AV                 90000                              [RFC2250]
34        H263            V                  90000                              [Zhu]
35-71     Unassigned      ?
72-76     Reserved for RTCP conflict avoidance                                  [RFC3550]
77-95     Unassigned      ?
96-127    dynamic         ?                                                     [RFC3551] 

Retrouvable sur http://www.iana.org/assignments/rtp-parameters