Cisco ATA186-I1 Administration Guide - Page 172
Description, Specification, RFC 2833 AVT tones for SIP, MGCP, SCCP - voip adapter
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Page 172 highlights
Software Specifications Appendix C Cisco ATA Specifications Table C-6 Software Specifications (All Protocols) (continued) Description Line-echo cancellation Out-of-band DTMF Configuration Quality of Service Security Voice coder-decoders (codecs) Specification • 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 • H.245 out-of-band DTMF for H.323 • RFC 2833 AVT tones for SIP, MGCP, SCCP • DHCP (RFC 2131) • Web configuration via built-in Web server • Touch-tone telephone keypad configuration with voice prompt • Basic boot configuration (RFC 1350 TFTP Profiling) • Dial plan configuration • Cisco Discovery Protocol for SCCP • Class-of-service (CoS) bit-tagging (802.1P) • Type-of-service (ToS) bit-tagging • H.235 for H.323 • RC4 encryption for TFTP configuration files Note In simultaneous dual-port operation, the second port is limited to G.711 when using G.729. Voice features Voice-over-IP (VoIP) protocols • G.723.1 • G.729, G.729A, G.729AB • G.723.1 • G.711A-law • G.711µ-law • Voice activity detection (VAD) • Comfort noise generation (CNG) • Dynamic jitter buffer (adaptive) • 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 Cisco ATA 186 and Cisco ATA 188 Analog Telephone Adaptor Administrator's Guide for SCCP (version 3.0) C-4 OL-4652-01
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