Chapter 1 Cisco ATA 186 Overview
About the Cisco ATA 186
1-5
Cisco ATA 186 Installation and Configuration Guide
OL-1267-01
H.323-specific Features
Three-way calling (conferencing) The Cisco ATA 186 will automatically switch to
G.711 in this mode.
Type of Service (TOS) bit for Quality of Service
(QOS)
Voice activity detection (VAD)
Table 1-2 H.323-specific Features
Description Details
Alternate gatekeeper
Call proceeding
Cisco registration- and admission-level security
support
Uses MD5 hashing
Uses access/clear token
Dual Tone Multiple Frequency (DTMF) relay H.245
Empty cap set
Fast start/tunneling/early H.245 Including H.245 messages in the Alert message
Table 1-1 Features Available for all Signaling Protocols
Description Details
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