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Voice codecs: Difference between revisions

(update with new 800 capacities)
(move g.722 column from universal codec to other codec)
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*'''Universal codecs'''  
*'''Universal codecs'''  
**[http://en.wikipedia.org/wiki/G.711 G.711] - Supported packet durations: 20,30,40,50 and 60 msec
**[http://en.wikipedia.org/wiki/G.711 G.711] - Supported packet durations: 20,30,40,50 and 60 msec
**[http://en.wikipedia.org/wiki/G.722 G.722] - Supported packet durations: 20,30,40,50 and 60 msec
**[http://en.wikipedia.org/wiki/G.723.1 G.723.1] - Supported packet durations: 30,60 and 90 msec
**[http://en.wikipedia.org/wiki/G.723.1 G.723.1] - Supported packet durations: 30,60 and 90 msec
**[http://en.wikipedia.org/wiki/G.726 G.726] - Supported packet durations: 20,30,40,50 and 60 msec
**[http://en.wikipedia.org/wiki/G.726 G.726] - Supported packet durations: 20,30,40,50 and 60 msec
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**[http://en.wikipedia.org/wiki/T.38 T.38]
**[http://en.wikipedia.org/wiki/T.38 T.38]


*'''Wireline codecs'''  
*'''Other codecs'''  
**[http://en.wikipedia.org/wiki/G.722 G.722] - Supported packet durations: 20,30,40,50 and 60 msec
**[http://en.wikipedia.org/wiki/G.728 G.728] - Supported packet durations: 20,30,40,50 and 60 msec
**[http://en.wikipedia.org/wiki/G.728 G.728] - Supported packet durations: 20,30,40,50 and 60 msec
**[http://en.wikipedia.org/wiki/G.729 G.729eg] - Supported packet durations: 20,30,40,50,60,70 and 80 msec
**[http://en.wikipedia.org/wiki/G.729 G.729eg] - Supported packet durations: 20,30,40,50,60,70 and 80 msec
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|-
|-
! width="40" rowspan="2" | Media Gateway
! width="40" rowspan="2" | Media Gateway
! width="400" colspan="7" | Universal codecs
! width="400" colspan="6" | Universal codecs
! width="240" colspan="3" | Other codecs
! width="240" colspan="4" | Other codecs
! width="320" colspan="4" | Wireless codecs'''<sup>1</sup>'''  
! width="320" colspan="4" | Wireless codecs'''<sup>1</sup>'''  
|-
|-
! width="80" | G.711
! width="80" | G.711
! width="80" | G.722
! width="80" | G.723.1
! width="80" | G.723.1
! width="80" | G.726
! width="80" | G.726
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! width="80" | T.38
! width="80" | T.38
! width="80" | clearmode (rfc4040)
! width="80" | clearmode (rfc4040)
! width="80" | G.722
! width="80" | G.728
! width="80" | G.728
! width="80" | G.729eg
! width="80" | G.729eg
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|-  
|-  
| TMG800
| TMG800
| 512 || 236 || 508 || 512 || 512 || 508 || 512 || 232 || 256 || 300 || 364 || 236 || 428 || 380
| 512 || 508 || 512 || 512 || 508 || 512 || 236 || 232 || 256 || 300 || 364 || 236 || 428 || 380
|-
|-
| TMG3200-TE16 TMG7800-TE16
| TMG3200-TE16 TMG7800-TE16
| 512 || 236 || 508 || 512 || 512 || 508 || 512 || 232 || 256 || 300 || 364 || 236 || 428 || 380
| 512 || 508 || 512 || 512 || 508 || 512 || 236 || 232 || 256 || 300 || 364 || 236 || 428 || 380
|-
|-
| TMG3200-TE32 TMG7800-TE32
| TMG3200-TE32 TMG7800-TE32
| 1024 || 472 || 1016 || 1024 || 1024 || 1016 || 1024|| 464 || 512 || 600 || 728 || 472 || 856 || 760
| 1024 || 1016 || 1024 || 1024 || 1016 || 1024|| 472 || 464 || 512 || 600 || 728 || 472 || 856 || 760
|-
|-
| TMG3200-TE48 TMG7800-TE48
| TMG3200-TE48 TMG7800-TE48
| 1536 || 708 || 1524 || 1536 || 1536 || 1524 || 1536 || 696 || 768 || 900 || 1092 || 708 || 1284 || 1140
| 1536 || 1524 || 1536 || 1536 || 1524 || 1536 || 708 || 696 || 768 || 900 || 1092 || 708 || 1284 || 1140
|-  
|-  
| TMG3200-TE64 TMG7800-TE64 TMG3200-STM1 TMG7800-STM1
| TMG3200-TE64 TMG7800-TE64 TMG3200-STM1 TMG7800-STM1
| 2048 || 944 ||2032 || 2048 || 2048 || 2032 || 2048 || 928 || 1024 || 1200 || 1456 || 944 || 1712 || 1520
| 2048 || 2032 || 2048 || 2048 || 2032 || 2048 || 944 || 928 || 1024 || 1200 || 1456 || 944 || 1712 || 1520
|}
|}


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! width="150" rowspan="2" | Type of  
! width="150" rowspan="2" | Type of  
VoIP mezzanine
VoIP mezzanine
! width="400" colspan="6" | Universal codecs
! width="400" colspan="5" | Universal codecs
! width="240" colspan="3" | Other codecs
! width="240" colspan="4" | Other codecs
! width="320" colspan="4" | Wireless codecs'''<sup>1</sup>'''  
! width="320" colspan="4" | Wireless codecs'''<sup>1</sup>'''  
|-
|-
! width="80" | G.711  
! width="80" | G.711  
! width="80" | G.722
! width="80" | G.723.1
! width="80" | G.723.1
! width="80" | G.726
! width="80" | G.726
! width="80" | G.729ab
! width="80" | G.729ab
! width="80" | T.38
! width="80" | T.38
! width="80" | G.722
! width="80" | G.728
! width="80" | G.728
! width="80" | G.729eg
! width="80" | G.729eg
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| TM-VOIP-1
| TM-VOIP-1
| 341
| 341
| 59
| 127
| 127
| 169
| 169
| 154
| 154
| 127
| 127
| 59
| 58
| 58
| 64
| 64
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| TM-VOIP-2
| TM-VOIP-2
| 682
| 682
| 118
| 254
| 254
| 338
| 338
| 308
| 308
| 254
| 254
| 118
| 116
| 116
| 128
| 128
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| TM-VOIP-3
| TM-VOIP-3
| 1023
| 1023
| 177
| 381
| 381
| 507
| 507
| 462
| 462
| 381
| 381
| 177
| 174
| 174
| 192
| 192
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| TM-VOIP-4
| TM-VOIP-4
| 1364
| 1364
| 236
| 508
| 508
| 676
| 676
| 616
| 616
| 508
| 508
| 236
| 232
| 232
| 256
| 256
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! width="150" rowspan="2" | Type of
! width="150" rowspan="2" | Type of
VoIP mezzanine
VoIP mezzanine
! width="400" colspan="6" | Universal codecs
! width="400" colspan="5" | Universal codecs
! width="240" colspan="3" | Other codecs
! width="240" colspan="4" | Other codecs
! width="320" colspan="4" | Wireless codecs'''<sup>1</sup>'''
! width="320" colspan="4" | Wireless codecs'''<sup>1</sup>'''
|-
|-
! width="80" | G.711
! width="80" | G.711
! width="80" | G.722
! width="80" | G.723.1
! width="80" | G.723.1
! width="80" | G.726
! width="80" | G.726
! width="80" | G.729ab
! width="80" | G.729ab
! width="80" | T.38
! width="80" | T.38
! width="80" | G.722
! width="80" | G.728
! width="80" | G.728
! width="80" | G.729eg
! width="80" | G.729eg
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| TM-VOIP-1
| TM-VOIP-1
| 404
| 404
| 60
| 128
| 128
| 200
| 200
| 168
| 168
| 128
| 128
| 60
| 66
| 66
| 72
| 72
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| TM-VOIP-2
| TM-VOIP-2
| 808
| 808
| 120
| 256
| 256
| 400
| 400
| 336
| 336
| 256
| 256
| 120
| 132
| 132
| 144
| 144
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| TM-VOIP-3
| TM-VOIP-3
| 1212
| 1212
| 180
| 384
| 384
| 600
| 600
| 504
| 504
| 384
| 384
| 180
| 198
| 198
| 216
| 216
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| TM-VOIP-4
| TM-VOIP-4
| 1616
| 1616
| 240
| 512
| 512
| 800
| 800
| 672
| 672
| 512
| 512
| 240
| 264
| 264
| 288
| 288

Revision as of 15:54, 24 May 2016

TelcoBridges products support the following voice codecs.

Supported codecs


  • Universal codecs
    • G.711 - Supported packet durations: 20,30,40,50 and 60 msec
    • G.723.1 - Supported packet durations: 30,60 and 90 msec
    • G.726 - Supported packet durations: 20,30,40,50 and 60 msec
    • G.729a/ab - Supported packet durations: 20,30,40,50,60,70 and 80 msec
    • Clearmode (rfc4040) - Supported packet durations: 5,10,20,30,40,50,60 msec
    • T.38
  • Other codecs
    • G.722 - Supported packet durations: 20,30,40,50 and 60 msec
    • G.728 - Supported packet durations: 20,30,40,50 and 60 msec
    • G.729eg - Supported packet durations: 20,30,40,50,60,70 and 80 msec
    • iLBC - Supported packet durations: [13kbps] 30 and 60 msec, [15kpbs] 20 and 40 msec
  • Wireless codecs 1
    • AMR - Supported packet durations: 20,40,60 and 80 msec
    • GSM-FR - Supported packet durations: 20 and 30 msec
    • GSM-EFR - Supported packet durations: 20,40 and 60 msec
    • EVRC - Supported packet durations: 20,40 and 60 msec
    • QCELP - Supported packet durations: 20,40 and 60 msec
    • G.722.2 (AMR-WB) - Supported packet durations: 20,40,60 and 80 msec


TMG media gateways codec capacity


Media Gateway Universal codecs Other codecs Wireless codecs1
G.711 G.723.1 G.726 G.729ab T.38 clearmode (rfc4040) G.722 G.728 G.729eg iLBC AMR AMR-WB GSM-FR/GSM-EFR EVRC/QCELP
TMG800 512 508 512 512 508 512 236 232 256 300 364 236 428 380
TMG3200-TE16 TMG7800-TE16 512 508 512 512 508 512 236 232 256 300 364 236 428 380
TMG3200-TE32 TMG7800-TE32 1024 1016 1024 1024 1016 1024 472 464 512 600 728 472 856 760
TMG3200-TE48 TMG7800-TE48 1536 1524 1536 1536 1524 1536 708 696 768 900 1092 708 1284 1140
TMG3200-TE64 TMG7800-TE64 TMG3200-STM1 TMG7800-STM1 2048 2032 2048 2048 2032 2048 944 928 1024 1200 1456 944 1712 1520

Tdev development platform

TMP6400 Codec density

Codec density is comprised of two modes:

  • Mixed Mode
  • Fixed Mode


Mixed Mode

The following densities are achieved when a codec mix is dynamically negotiated.

Type of

VoIP mezzanine

Universal codecs Other codecs Wireless codecs1
G.711 G.723.1 G.726 G.729ab T.38 G.722 G.728 G.729eg iLBC AMR AMR-WB GSM-FR/GSM-EFR EVRC/QCELP
TM-VOIP-1 341 127 169 154 127 59 58 64 75 91 59 107 95
TM-VOIP-2 682 254 338 308 254 118 116 128 150 182 118 214 190
TM-VOIP-3 1023 381 507 462 381 177 174 192 225 273 177 321 285
TM-VOIP-4 1364 508 676 616 508 236 232 256 300 364 236 428 380

Fixed mode

The following densities are achieved when a codec mix is predefined.

Type of

VoIP mezzanine

Universal codecs Other codecs Wireless codecs1
G.711 G.723.1 G.726 G.729ab T.38 G.722 G.728 G.729eg iLBC AMR AMR-WB GSM-FR/GSM-EFR EVRC/QCELP
TM-VOIP-1 404 128 200 168 128 60 66 72 84 102 60 120 96
TM-VOIP-2 808 256 400 336 256 120 132 144 168 204 120 240 192
TM-VOIP-3 1212 384 600 504 384 180 198 216 252 306 180 360 288
TM-VOIP-4 1616 512 800 672 512 240 264 288 336 408 240 480 384


[1] May require additional licenses

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