Cisco DPC2203C Installation And Operation Manual page 85

Voice Specifications
Hearing Impaired Services
Support
Fax and Analog Modem support DSP-based Modem/Fax Tone detection and support for
Jitter Buffer Support
Latency Control
Audio Gain Levels
Silence Suppression
Packet Loss Concealment
Call Connection Quality
Monitoring
Dialing Modes
DTMF Relay
Layer 2 Quality of Service
Layer 3 Quality of Service
Payload Header Suppression
(PHS)
Management
Echo Cancellation
72-4017315-01 Rev B
TDD support including detection of V.18 including
Annex A
Voice Band Data Mode with auto-CODEC negotiation
and auto-control of echo canceller, jitter buffer, and VAD
Adaptive dynamically controlled
Configurable min/max jitter buffer size
Independently configurable transmit and receive audio
gains
Configurable VAD with comfort noise generation
ANSI T1.521-1999
RTCP, RFC1889, RFC1890, SNMP MIB for last call
quality statistics
DTMF and configurable pulse dial support
RFC2833 including fast (40mS) DTMF Relay for alarm
system signaling compatibility
Full PacketCable secure DQOS with GateID

including UGS and UGS/AD
DQOS Lite support including UGS and UGS/AD

Configurable DiffServe/TOS support for Signaling, RTP,
and RTCP flows
Support for RTP and RTCP packet flows to reduce

per-call network bandwidth
Advanced support for Dynamic Payload Header

Suppression using Propane Technology
SNMPv3, SNMPv2, Telnet with configurable user ID and
password, internal log, and external Syslog support
G.168 with extended echo tail support
Technical Specifications
69