Cisco ATA 190 Administration Manual page 50

SIP Compliance Reference Information
Table A-6
Description
Fax
Line-echo cancellation
Out-of-band DTMF
Configuration
Quality of Service
Security
Voice coder-decoders (codecs)
Voice features
Voice-over-IP (VoIP) protocols
SIP Compliance Reference Information
Information on how the ATA 190 complies with the IETF definition of SIP as described in RFC 2543 is
found at the following URL:
Cisco ATA 190 Analog Telephone Adaptor Administration Guide for SIP (Version 1.0)
A-4
Software Specifications (All Protocols) (continued)
Specification
Fax pass-through and T.38 fax relay mode.
Enhanced fax pass-through is supported on the Cisco ATA.
Success of fax transmissions up to 14.4 kbps depends on
network conditions, and fax modem/fax machine tolerance to
those conditions. The network must have reasonably low
network jitter, network delay, and packet-loss rate.
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RFC 2833 AVT tones for SIP
Note
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RC4 encryption for TFTP configuration files
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SIP (RFC 3261 bis)
Echo canceller for each port
8 ms echo length
Nonlinear echo suppression (ERL > 28 dB for frequency
= 300 to 2400 Hz)
Convergence time = 250 ms
ERLE = 10 to 20 dB
Double-talk detection
Cannot transmit RFC 2833 and in-band signalling,
simultaneously.
DHCP (RFC 2131)
Web configuration via built-in Web server
Touch-tone phone keypad configuration with voice prompt
Basic boot configuration (RFC 1350 TFTP Profiling)
Dial plan configuration
Cisco Discovery Protocol
Class-of-service (CoS) bit-tagging (802.1P)
Type-of-service (ToS) bit-tagging
G.729A, G.729AB
G.711A-law
G.711µ-law
Voice activity detection (VAD)
Comfort noise generation (CNG)
Dynamic jitter buffer (adaptive)
Appendix A ATA 190 Specifications
OL-31821-01