Voice codecs

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(Difference between revisions)

Revision as of 07:44, 29 October 2015

TelcoBridges products support the following voice codecs.

Universal codecs
- G.711 - Supported packet durations: 20,30,40,50 and 60 msec
- G.722 - 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

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

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

Codec density is comprised of two modes:

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

Type of VoIP mezzanine	Universal codecs						Other codecs			Wireless codecs¹
Type of VoIP mezzanine	G.711	G.722	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	59	127	169	154	127	58	64	75	91	59	107	95
TM-VOIP-2	682	118	254	338	308	254	116	128	150	182	118	214	190
TM-VOIP-3	1023	177	381	507	462	381	174	192	225	273	177	321	285
TM-VOIP-4	1364	236	508	676	616	508	232	256	300	364	236	428	380

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

Type of VoIP mezzanine	Universal codecs						Other codecs			Wireless codecs¹
Type of VoIP mezzanine	G.711	G.722	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	60	128	200	168	128	66	72	84	102	60	120	96
TM-VOIP-2	808	120	256	400	336	256	132	144	168	204	120	240	192
TM-VOIP-3	1212	180	384	600	504	384	198	216	252	306	180	360	288
TM-VOIP-4	1616	240	512	800	672	512	264	288	336	408	240	480	384

[1] May require additional licenses

@@ Line 51: / Line 51: @@
 ! width="80" | EVRC/QCELP
 |-
-| TMG800-8 TMG3200-RJ8
+| TMG800
-| 256 || 118 || 254 || 256 || 256 || 254 || 256 || 116 || 128 || 150 || 182 || 118 || 214 || 190
+| 512 || 236 ||	508 || 512 || 512 || 508 || 512 || 232 || 256 || 300 || 364 || 236 || 428 || 380
 |-
-| TMG3200-RJ16 TMG3200-TE16 TMG7800-TE16
+| TMG3200-TE16 TMG7800-TE16
 | 512 || 236 || 508 || 512 || 512 || 508 || 512 || 232 || 256 || 300 || 364 || 236 || 428 || 380
 |-
@@ Line 166: / Line 166: @@
 {| cellpadding="5" border="1" class="wikitable"  style="text-align: center"
 |-
-! width="150" rowspan="2" | Type of.
+! width="150" rowspan="2" | Type of
 VoIP mezzanine
 ! width="400" colspan="6" | Universal codecs