Voice codecs: Difference between revisions

Revision as of 12:15, 16 June 2011

TelcoBridges products support the following voice codecs. It is important to note that call channel capacity available per VoIP processor module depends on the codec being used.

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
- 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 and40 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 and80 msec

[1] May require additional licenses

@@ Line 4: / Line 4: @@
 *'''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
 **[http://en.wikipedia.org/wiki/T.38 T.38]
@@ Line 13: / Line 13: @@
 *'''Wireline codecs'''
-**[http://en.wikipedia.org/wiki/G.728 G.728]
+**[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]
+**[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]
+**[http://en.wikipedia.org/wiki/Internet_Low_Bit_Rate_Codec iLBC] - Supported packet durations: [13kbps] 30 and 60 msec, [15kpbs] 20 and40 msec
 <br>
 *'''Wireless codecs''' '''<sup>1</sup>'''
-**[http://en.wikipedia.org/wiki/Adaptive_multi-rate_compression AMR]
+**[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]
+**[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]
+**[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]
+**[http://en.wikipedia.org/wiki/EVRC EVRC] - Supported packet durations: 20,40 and 60 msec
-**[http://en.wikipedia.org/wiki/QCELP QCELP]
+**[http://en.wikipedia.org/wiki/QCELP QCELP] - Supported packet durations:  20,40 and 60 msec
-**[[G.722.2 (AMR-WB)]]<br>
+**[[G.722.2 (AMR-WB)]] - Supported packet durations: 20,40,60 and80 msec
+<br>
 <br>