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TelcoBridges products support the following voice codecs. It is important to note that call [[Channels per codec|channel capacity]] available per [[VoIP]] processor module depends on the codec being used.  
{{DISPLAYTITLE:Voice Codecs}}
{| class="wikitable"
|-
|rowspan="3"|This article applies to:
|'''Product'''
|'''Version'''
|-
|Tmedia
|2.9, 2.10, 3.0, 3.2
|}


TelcoBridges products support the following voice codecs.
== Supported codecs ==
<br>  
<br>  


*'''Universal codecs'''  
*'''Universal codecs'''  
**[http://en.wikipedia.org/wiki/G.711 G.711]  
**[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.723.1 G.723.1]  
**[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]  
**[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.729 G.729ab]  
**[http://en.wikipedia.org/wiki/G.729 G.729a/ab] - Supported packet durations: 20,30,40,50,60,70 and 80 msec
**[[Clearmode]] ([http://tools.ietf.org/html/rfc4040 rfc4040]) - 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]


*'''Other codecs'''
**[http://en.wikipedia.org/wiki/G.722 G.722] - Supported packet durations: 5,10,20,30,40,50 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/Internet_Low_Bit_Rate_Codec iLBC] - Supported packet durations: [13kbps] 30 and 60 msec, [15kpbs] 20 and 40 msec
*'''Wireless codecs''' '''<sup>1</sup>'''
**[http://en.wikipedia.org/wiki/Adaptive_multi-rate_compression AMR] - Supported packet durations: 20,40,60 and 80 msec
**[http://en.wikipedia.org/wiki/Full_Rate GSM-FR] - Supported packet durations: 20 and 30 msec
**[http://en.wikipedia.org/wiki/Enhanced_Full_Rate GSM-EFR] - Supported packet durations: 20,40 and 60 msec
**[http://en.wikipedia.org/wiki/EVRC EVRC] - 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
<br/>
== TMG media gateways codec capacity ==
<br/>
{| cellpadding="5" border="1" class="wikitable" style="text-align: center"
|-
! width="40" rowspan="2" | Media Gateway
! width="400" colspan="6" | Universal codecs
! width="240" colspan="4" | 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" | clearmode (rfc4040)
! width="80" | G.722
! 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-HR16
| 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
<br>  
<br>  


*'''Wireline codecs'''  
==== Mixed Mode ====
**[http://en.wikipedia.org/wiki/G.728 G.728]
 
**[http://en.wikipedia.org/wiki/G.729 G.729eg]
The following densities are achieved when a codec mix is dynamically negotiated.
**[http://en.wikipedia.org/wiki/Internet_Low_Bit_Rate_Codec iLBC]
{| cellpadding="5" border="1" class="wikitable" style="text-align: center"
|-
! width="150" rowspan="2" | Type of
VoIP mezzanine
! width="400" colspan="5" | Universal codecs
! width="240" colspan="4" | 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.722
! 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
|-
| 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.
{| cellpadding="5" border="1" class="wikitable"  style="text-align: center"
|-
! width="150" rowspan="2" | Type of
VoIP mezzanine
! width="400" colspan="5" | Universal codecs
! width="240" colspan="4" | 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.722
! 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
|-
| 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
|}


<br>


*'''Wireless codecs''' '''<sup>1</sup>'''<sup></sup
**[http://en.wikipedia.org/wiki/Adaptive_multi-rate_compression AMR]
**[http://en.wikipedia.org/wiki/Full_Rate GSM-FR] / [http://en.wikipedia.org/wiki/Enhanced_Full_Rate GSM-EFR]
**[http://en.wikipedia.org/wiki/EVRC EVRC] / [http://en.wikipedia.org/wiki/QCELP QCELP]
**[[G.722]]


['''1'''] May require additional licenses  
['''1'''] May require additional licenses


[[Category:Glossary]] [[Category:Tmedia_Features|Voice Codecs]] [[Category:Tdev_Features|Voice Codecs]]
[[Category:Glossary]]
[[Category:Tmedia_Features|Voice Codecs]]
[[Category:Tdev_Features|Voice Codecs]]
[[Category:Revise on Major]]
[[Category:FAQ]]

Latest revision as of 14:43, 17 January 2023

This article applies to: Product Version
Tmedia 2.9, 2.10, 3.0, 3.2

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: 5,10,20,30,40,50 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-HR16 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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