Nortel DCT1900 Technical Product Manual page 89

DTMF Dialling
The DTMF signals are determined by the combination of the output level of LTU and SPU
parameters.
Speech Coding
Standard
Method
Speech Coding
Method
AD Gain
DA Gain
Hybrid balance impedance
Specs-DCT1900/R8/mw
© 2000-2005
: G.712
: 64 kbit/s A-law or μ−law PCM'
: software selectable
: determined by SICOFI parameters
: determined by SICOFI parameters
: determined by SICOFI parameters
Technical Product Manual - DCT1900
Product Specifications, System Boards
6-9