Appendix A
Specifications
68
72-4017315-01 Rev B
Technical Specifications
DPC2203C Specifications
Specifications Table
The following table shows the technical specifications for the Model DPC2203C
Cable Modem.
Voice Specifications
Call Signaling Protocol
MGCP/NCS including configurable IPSec
encryption
Configurable to support LCS event signaling
Configurable to support RFC2833 event signaling
Software upgradable to support Session Initiation
Protocol (SIP)
Provisioning Modes
Full PacketCable secure provisioning
Kerberos support with NVRAM ticket caching
Configurable PacketCable-lite (MTA config file
provisioning without security)
Configurable for non-PacketCable (MTA
configuration using DOCSIS config file)
CODECs
Standard: G.711 µ and A law and G.728
Software upgradable to support other CODEC
combinations including:
–
G.711, T.38 Fax Relay, iLBC and BV16
–
G.711 and G.729
–
G.711 and G.729 a/e
–
G.711 and BV16 and BV32 (High fidelity - near
CD quality)
–
G.711 and G.723
–
G.711 and G.726
CODEC Packetization Intervals 10ms, 20ms, and 30ms
CODEC Synchronization
Patented CODEC synchronization to UGS time clock
allows slip-free end-to-end synchronization to PSTN
clock (minimizes frame slips that can cause Fax/Analog
modem call failures)
CODEC Encryption
Configurable to support AES-128 encryption or no
encryption modes
Summary of Contents for DPC2203C
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