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Voice codecs: Difference between revisions

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TelcoBridges products support the following voice codecs.
TelcoBridges products support the following voice codecs.


=== Supported codecs ===
== Supported codecs ==
<br>  
<br>  


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**[[Clearmode]] - Supported packet durations: 5,10,20,30,40,50,60 msec
**[[Clearmode]] - Supported packet durations: 5,10,20,30,40,50,60 msec
**[http://en.wikipedia.org/wiki/T.38 T.38]
**[http://en.wikipedia.org/wiki/T.38 T.38]


*'''Wireline codecs'''  
*'''Wireline codecs'''  
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**[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
**[http://en.wikipedia.org/wiki/Internet_Low_Bit_Rate_Codec iLBC] - Supported packet durations: [13kbps] 30 and 60 msec, [15kpbs] 20 and 40 msec
**[http://en.wikipedia.org/wiki/Internet_Low_Bit_Rate_Codec iLBC] - Supported packet durations: [13kbps] 30 and 60 msec, [15kpbs] 20 and 40 msec


*'''Wireless codecs''' '''<sup>1</sup>'''  
*'''Wireless codecs''' '''<sup>1</sup>'''  
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**[http://en.wikipedia.org/wiki/QCELP QCELP] - Supported packet durations:  20,40 and 60 msec
**[http://en.wikipedia.org/wiki/QCELP QCELP] - Supported packet durations:  20,40 and 60 msec
**[[G.722.2 (AMR-WB)]] - Supported packet durations: 20,40,60 and 80 msec
**[[G.722.2 (AMR-WB)]] - Supported packet durations: 20,40,60 and 80 msec
<br/>
== TMG media gateways codec capacity ==
<br/>
{| cellpadding="5" border="1" class="wikitable" style="text-align: center"
|-
! width="100" rowspan="2" | Media Gateway
! width="400" colspan="5" | Universal codecs
! width="240" colspan="3" | Other codecs
! width="320" colspan="4" | Wireless codecs'''<sup>1</sup>'''
|-
! width="80" | G.711
! width="80" | G.723.1
! width="80" | G.726
! width="80" | G.729ab
! width="80" | T.38
! width="80" | G.728
! width="80" | G.729eg
! width="80" | iLBC
! width="80" | AMR
! width="80" | AMR-WB
! width="80" | GSM-FR/GSM-EFR
! width="80" | EVRC/QCELP
|-
| TMG800-8 TMG3200-RJ8
| 256
| 254
| 256
| 256
| 254
| 116
| 128
| 150
| 182
| 118
| 214
| 190
|-
| TMG3200-RJ16 TMG3200-TE16 TMG7800-TE16
| 512
| 508
| 512
| 512
| 508
| 232
| 256
| 300
| 364
| 236
| 428
| 380
|-
| TMG3200-TE32 TMG7800-TE32
| 1024
| 1016
| 1024
| 1024
| 1016
| 464
| 512
| 600
| 728
| 472
| 856
| 760
|-
| TMG3200-TE48 TMG7800-TE48
| 1536
| 1524
| 1536
| 1536
| 1524
| 696
| 768
| 900
| 1092
| 708
| 1284
| 1140
|-
| TMG3200-TE64 TMG7800-T64 TMG3200-STM1 TMG7800-STM1
| 2048
| 2032
| 2048
| 2048
| 2032
| 928
| 1024
| 1200
| 1456
| 944
| 1712
| 1520
|}
== Tdev development platform ==


=== Codec density ===
=== TMP6400 Codec density ===
Codec denisty is comprised of two modes:
Codec denisty is comprised of two modes:
*Mixed Mode
*Mixed Mode

Revision as of 14:58, 8 May 2014

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 - Supported packet durations: 5,10,20,30,40,50,60 msec
    • T.38
  • Wireline codecs
    • 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 G.728 G.729eg iLBC AMR AMR-WB GSM-FR/GSM-EFR EVRC/QCELP
TMG800-8 TMG3200-RJ8 256 254 256 256 254 116 128 150 182 118 214 190
TMG3200-RJ16 TMG3200-TE16 TMG7800-TE16 512 508 512 512 508 232 256 300 364 236 428 380
TMG3200-TE32 TMG7800-TE32 1024 1016 1024 1024 1016 464 512 600 728 472 856 760
TMG3200-TE48 TMG7800-TE48 1536 1524 1536 1536 1524 696 768 900 1092 708 1284 1140
TMG3200-TE64 TMG7800-T64 TMG3200-STM1 TMG7800-STM1 2048 2032 2048 2048 2032 928 1024 1200 1456 944 1712 1520


Tdev development platform

TMP6400 Codec density

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


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


[1] May require additional licenses

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