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C2. Software Specifications
Networking and Protocols Support
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Transparent Bridging (IEEE 802.1D)
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RFC 1483 Bridged
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Spanning Tree Protocol (IEEE 802.1D)
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Support TCP/IP, UDP, ICMP, ARP
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NAT/PAT Support
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Static & Dynamic Routing with TCP/IP
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RIP V1, V2 (static and dynamic routing)
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DHCP server and client support
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NTP client
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DNS support
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MAC Encapsulated Routing (MER)
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SIP, RTP, RTCP
Configuration and Network Management
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Local configuration and management through Ethernet port
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Telnet for local or remote management
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TFTP for firmware upgrade
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WEB/HTTP configuration
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System log capability
Voice support
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Capacity:
3 voice POTS ports: 2*FXS and 1*FXO
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Signaling:
Loop Start
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Impedance:
600/900 ohms and Complex Termination
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Ring Source:
internal
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Compression: G.711 (PCM), G.726 (ADPCM), G.729A/B
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Voice Encoding:
µ
or A-law
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Echo Cancellation: G.168 with 16ms tail
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Support dynamic jitter buffer up to 128ms
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Support DTMF (PB) for 10pps and 20pps
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Comfort Noise Generation (CNG), Silence detection/ Insertion
X5368r-P3
User’s Manual Version 1.0
148
C3. VoIP Specifications
Supports for SIP
Supports for the Real Time transport Protocol (RTP)-RFC1889
Supports for the Real Time transport Control Protocol
(RTCP)-RFC1889
Supports for the RTP Profile for Audio and Video Conferences
with Minimal Control-RFC1890.
Supports for RTP payload for DTMF Digits, Telephony Tones
and Telephony Signals-RFC2883
Voice Code supported:
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G.711 (A-law and µ -law)
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G.726
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G.729, G.729A, G.729B, G.729A/B
Asymmetric operation of audio coders (upstream and
downstream can have different coder types)
G.168 with 16ms tail single reflector echo cancellation suit
(include Fax/Modem tone detection)
Supports for Silence Detection and Comfort Noise Generation
using Silence Insertion Descriptors, to preserve Bandwidth
during the absence of voice
Packet loss detection and compensation
Single, dual, and quad tone generation to line as well as the
network
Supports Call Waiting, call hold
Modem and Fax tone detection
Supports VPN authentication FXO call sharing for remote VoIP
call (option)