Specifications

H-1
Cisco ATA 186 Installation and Configuration Guide
OL-1267-01
APPENDIX
H
Terms and Acronyms
This Appendix contains definitions of some of the terms and acronyms used in the
Cisco ATA 186 Installation and Configuration Guide. For additional definitions,
see the Cisco Systems Internetworking Terms and Acronyms Guide.
C
CNG
Comfort Noise Generation.
D
DSP
Digital Signal Processor.
DTMF
Dual Tone Multi-Frequency.
F
FoIP
FAX over IP
FXO
Foreign Exchange Office. An FXO connects to a central office – this is the
interface a standard phone offers.
FXS
Foreign Exchange Station