5.3 Kbit/S Or 6.3 Kbit/S) - Nortel 1000 Description, Installation And Operation Manual

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G.723.1 (5.3 kbit/s or 6.3 kbit/s)
Table 10
Codecs supported by IP Trunk 3.01 (and later)
Profile 1
32 ms. Echo Cancel Tail
24 ports/card for ITG-P
24-port card
32 ports/card for SMC
32-port card
PCM A-law (G.711)
µ
PCM -law (G.711)
G.729AB
Clear Channel
Fax
553-3001-363 Standard 2.00
System description
The G.723.1 codec provides the greatest compression. Voice Activity
Detection/Silence Suppression is configurable through OTM 2.1 (and later).
An ITG-Pentium 24-port trunk card supports 24 channels per card with
G.723.1. A Media Card 32-port trunk card supports 32 channels per card with
G.723.1.
Three downloadable DSP profiles support the codecs shown in Table 10.
Profile 2
32 ms. Echo Cancel Tail
24 ports/card for ITG-P
24-port card
32 ports/card for SMC
32-port card
PCM A-law (G.711)
µ
PCM
G.723.1 5.3 kbit/s
G.723.1 6.3 kbit/s
Clear Channel
Fax
September 2004
-law (G.711)
Profile 3
32 ms. Echo Cancel Tail
16 ports/card for ITG-P
24-port card
Not supported for SMC
32-port card
PCM A-law (G.711)
µ
PCM -law (G.711)
G.729B
Clear Channel
Fax