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Voice codecs: Difference between revisions

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(TMG800 --> TMG800-HR16 (with 4 VoIP devices))
 
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{{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.
TelcoBridges products support the following voice codecs.


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


Line 9: Line 20:
**[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
**[http://en.wikipedia.org/wiki/G.729 G.729a/ab] - Supported packet durations: 20,30,40,50,60,70 and 80 msec
**[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
*'''Wireline codecs'''  
**[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
**[http://en.wikipedia.org/wiki/Internet_Low_Bit_Rate_Codec iLBC] - Supported packet durations: [13kbps] 30 and 60 msec, [15kpbs] 20 and40 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>'''  
Line 26: Line 35:
**[http://en.wikipedia.org/wiki/EVRC EVRC] - 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
**[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 and80 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 ==


=== Codec density ===
=== TMP6400 Codec density ===
Codec density is comprised of two modes:
*Mixed Mode
*Fixed Mode
<br>  
<br>  


==== Mixed mode ====
==== Mixed Mode ====


The following density can be achieve when codec mix is dynamically negotiated.
The following densities are achieved when a codec mix is dynamically negotiated.
{| cellpadding="5" border="1" class="wikitable"
{| cellpadding="5" border="1" class="wikitable" style="text-align: center"
|-
|-
! width="150" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" rowspan="2" | Type of  
! width="150" rowspan="2" | Type of  
VoIP mezzanine
VoIP mezzanine
! width="400" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" colspan="5" | Universal codecs
! width="400" colspan="5" | Universal codecs
! width="240" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" colspan="3" | Other codecs
! width="240" colspan="4" | Other codecs
! width="320" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" colspan="4" | Wireless codecs'''<sup>1</sup>'''  
! width="320" colspan="4" | Wireless codecs'''<sup>1</sup>'''  
|-
|-
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | G.711  
! width="80" | G.711  
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | G.723.1
! width="80" | G.723.1
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | G.726
! width="80" | G.726
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | G.729ab
! width="80" | G.729ab
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | T.38
! width="80" | T.38
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | G.728
! width="80" | G.722
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | G.729eg
! width="80" | G.728
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | iLBC
! width="80" | G.729eg
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | AMR
! width="80" | iLBC
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | AMR-WB
! width="80" | AMR
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | GSM-FR/GSM-EFR
! width="80" | AMR-WB
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | EVRC/QCELP
! width="80" | GSM-FR/GSM-EFR
! width="80" | EVRC/QCELP
|-
|-
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | TM-VOIP-1
| TM-VOIP-1
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 341
| 341
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 127
| 127
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 169
| 169
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 154
| 154
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 127
| 127
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 58
| 59
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 64
| 58
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 75
| 64
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 91
| 75
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 59
| 91
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 107
| 59
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 95
| 107
| 95
|-
|-
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | TM-VOIP-2
| TM-VOIP-2
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 682
| 682
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 254
| 254
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 338
| 338
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 308
| 308
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 254
| 254
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 116
| 118
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 128
| 116
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 150
| 128
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 182
| 150
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 118
| 182
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 214
| 118
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 190
| 214
| 190
|-
|-
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | TM-VOIP-3
| TM-VOIP-3
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 1023
| 1023
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 381
| 381
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 507
| 507
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 462
| 462
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 381
| 381
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 174
| 177
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 192
| 174
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 225
| 192
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 273
| 225
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 177
| 273
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 321
| 177
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 285
| 321
| 285
|-
|-
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | TM-VOIP-4
| TM-VOIP-4
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 1364
| 1364
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 508
| 508
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 676
| 676
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 616
| 616
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 508
| 508
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 232
| 236
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 256
| 232
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 300
| 256
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 364
| 300
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 236
| 364
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 428
| 236
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 380
| 428
| 380
|}
|}


==== Fixed mode ====
==== Fixed mode ====


The following density can be achieve when codec mix is predefined.
The following densities are achieved when a codec mix is predefined.
{| cellpadding="5" border="1" class="wikitable"
{| cellpadding="5" border="1" class="wikitable"  style="text-align: center"
|-
|-
! width="150" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" rowspan="2" | Type of  
! width="150" rowspan="2" | Type of
VoIP mezzanine
VoIP mezzanine
! width="400" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" colspan="5" | Universal codecs
! width="400" colspan="5" | Universal codecs
! width="240" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" colspan="3" | Other codecs
! width="240" colspan="4" | Other codecs
! width="320" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" colspan="4" | Wireless codecs'''<sup>1</sup>'''
! width="320" colspan="4" | Wireless codecs'''<sup>1</sup>'''
|-
|-
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | G.711  
! width="80" | G.711
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | G.723.1
! width="80" | G.723.1
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | G.726
! width="80" | G.726
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | G.729ab
! width="80" | G.729ab
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | T.38
! width="80" | T.38
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | G.728
! width="80" | G.722
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | G.729eg
! width="80" | G.728
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | iLBC
! width="80" | G.729eg
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | AMR
! width="80" | iLBC
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | AMR-WB
! width="80" | AMR
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | GSM-FR/GSM-EFR
! width="80" | AMR-WB
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | EVRC/QCELP
! width="80" | GSM-FR/GSM-EFR
! width="80" | EVRC/QCELP
|-
|-
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | TM-VOIP-1
| TM-VOIP-1
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 404
| 404
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 128
| 128
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 200
| 200
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 168
| 168
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 128
| 128
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 66
| 60
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 72
| 66
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 84
| 72
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 102
| 84
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 60
| 102
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 120
| 60
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 96
| 120
| 96
|-
|-
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | TM-VOIP-2
| TM-VOIP-2
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 808
| 808
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 256
| 256
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 400
| 400
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 336
| 336
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 256
| 256
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 132
| 120
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 144
| 132
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 168
| 144
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 204
| 168
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 120
| 204
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 240
| 120
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 192
| 240
| 192
|-
|-
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | TM-VOIP-3
| TM-VOIP-3
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 1212
| 1212
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 384
| 384
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 600
| 600
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 504
| 504
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 384
| 384
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 198
| 180
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 216
| 198
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 252
| 216
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 306
| 252
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 180
| 306
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 360
| 180
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 288
| 360
| 288
|-
|-
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | TM-VOIP-4
| TM-VOIP-4
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 1616
| 1616
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 512
| 512
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 800
| 800
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 672
| 672
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 512
| 512
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 264
| 240
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 288
| 264
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 336
| 288
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 408
| 336
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 240
| 408
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 480
| 240
! width="80" style="background: none repeat scroll 0% 0% rgb(255, 255, 255);" | 384
| 480
| 384
|}
|}


Line 203: Line 265:
[[Category:Tmedia_Features|Voice Codecs]]
[[Category:Tmedia_Features|Voice Codecs]]
[[Category:Tdev_Features|Voice Codecs]]
[[Category:Tdev_Features|Voice Codecs]]
[[Category:Needs_revising]]
[[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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