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Nortel Networks DCT1900 User Manual

Page 89

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Technical Product Manual - DCT1900

Product Specifications, System Boards

Specs-DCT1900/R8/mw

6-9

© 2000-2005

DTMF Dialling
The DTMF signals are determined by the combination of the output level of LTU and SPU
parameters.

Speech Coding
Standard

: G.712

Method

: 64 kbit/s A-law or

μ−law PCM‘

Speech Coding
Method

: software selectable

AD Gain

: determined by SICOFI parameters

DA Gain

: determined by SICOFI parameters

Hybrid balance impedance

: determined by SICOFI parameters