Cisco ATA 186 User Manual

Chapter 1 Cisco ATA 186 Overview
About Supported Standards and Protocols
1-7
Cisco ATA 186 Installation and Configuration Guide
OL-1267-01
About Supported Standards and Protocols
The following standards are supported on the Cisco ATA 186:
• Network interface: one RJ-45 8-wire connector, IEEE 802.3 10Base-T
standard
• Two RJ-11 FXS standard analog telephone voice ports, up to 5 ringer
equivalency number (REN) per port, depending on loop length
• ITU G.711 , G.711A, G.723.1 Annex A, and G.729 Annex A voice codecs
• G.723.1 Annex A, voice activity detection (VAD)/comfort noise generation
(CNG): bandwidth saving algorithm
• ITU H.323 V.2 call signaling protocol
• SIP: RFC 2543bis
• LSSGR: Signaling for analog interfaces GR-506-CORE
• RTP: real-time transmission Internet protocol
• ITU-T V.42/V.42bis and MNP2-10 error correction and data compression
• AVT Tones: RFC 2833
• DHCP: RFC 2131

Cisco ATA 186 Specifications

General

Operating Temperature	32°F to 104°F (0°C to 40°C)
Protocol	SIP, H.323
Network Interface	10/100BASE-T Ethernet
Audio Codec Support	G.729a, G.723.1
Power Supply	5V DC
Weight	0.23 kg (0.5 lb)
Relative Humidity	10 to 90% noncondensing
Ports	2 RJ-11 FXS ports