Needed Bandwidth for IP Calls

Needed Bandwidth for Standard Packets

Packet Size in msec.

 Needed bandwidth in kBit/s using the Codecs:
G.711u/G.711a G.726-16 G.726-24 G.726-32 G.726-40 G.729a iLBC-13.33 G.722 G.722.1
10 105 58 66 74 72 50 - 105 74
20 84 37 45 53 61 29 - 84 53
30 76 30 38 45 53 22 27 76 45
40 74 27 34 42 50 19 - 74 42
50 71 25 32 40 48 17 - 71 40
60 67 22 30 37 45 15 20 67 37

Needed Bandwidth for Encrypted Packets when using a SRTP

Packet Size in msec.

 Needed bandwidth in kBit/s using the Codecs:
G.711u/G.711a G.726-16 G.726-24 G.726-32 G.726-40 G.729a iLBC-13.33 G.722 G.722.1
10 114 66 74 82 90 58 - 114 82
20 89 41 49 57 65 33 - 89 57
30 81 33 41 49 57 26 31 81 49
40 76 28 36 44 52 20 - 76 44
50 74 26 34 42 50 18 - 74 42
60 72 24 32 40 48 16 22 72 40

Needed Bandwidth for Encrypted Packets when using a VPN

Packet Size in msec.

 Needed bandwidth in kBit/s using the Codecs:
G.711u/G.711a G.726-16 G.726-24 G.726-32 G.726-40 G.729a iLBC-13.33 G.722 G.722.1
10 148 98 105 118 124 92 - 148 118
20 105 59 65 74 81 49 - 105 74
30 90 43 52 60 66 35 41 90 60
40 85 38 45 53 61 30 - 85 53
50 80 34 41 48 56 26 - 80 48
60 74 29 37 45 52 22 26 74 45