Nortel Networks DCT1900 - Manual (Page 189)

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