C-5
Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator’s Guide (H.323)
OL-4008-01
AppendixC Cisco ATA Specifications
Software Specifications
Voice features Voice activity detection (VAD)
Comfort noise generation (CNG)
Dynamic jitter buffer (adaptive)
Voice-over-IP (VoIP) protocols H.323 v2
SIP (RFC 2543 bis)
MGCP 1.0 (RFC 2705)
MGCP 1.0/network-based call signalling (NCS) 1.0 profile
MGCP 0.1
SCCP
TableC-6 Software Specifications (All Protocols) (continued)
Description Specification