User's Manual

FIRMWARE VERSION 1.0.0.2 GXW42XX USER MANUAL Page 13 of 52
Voice over Packet
Capabilities
Voice Activity Detection (VAD) with CNG (comfort noise generation) and PLC (packet loss
concealment), LEC with NLP Packetized Voice Protocol Unit (supports RTP/RTCP and
AAL2 protocol), G.168 compliant Echo Cancellation, Dynamic Jitter Buffer, Modem
detection & auto-switch to G.711
Voice Compression
G.711 + Annex I (PLC), Annex II (VAD/CNG format) encoder and decoder, G.722
(pending), G.723.1A, G.726(ADPCM with 16/24/32/40 bit rates), G.729A/B, iLBC, G.726
provides proprietary VAD, CNG, and signal power estimation, Voice Play Out unit
(reordering, fixed and adaptive jitter buffer, clock synchronization), AGC (automatic gain
control),Status output, Decoder controlling via voice packet header
DHCP Server/Client
DHCP Client only DHCP Client only DHCP Client only
Fax over IP
T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-
through, Fax Datapump V.17, V.21, V.27ter, V.29 for T.38 fax relay
QoS
Diffserv, TOS, 802.1 P/Q
VLAN tagging
Diffserv, TOS, 802.1 P/Q
VLAN tagging
Diffserv, TOS, 802.1 P/Q
VLAN tagging
Transport Protocol
RTP/RTCP RTP/RTCP RTP/RTCP
DTMF Method In-audio, RFC2833, and/or
SIP Info
In-audio, RFC2833, and/or
SIP Info
In-Audio, RFC2833, and/or
SIP Info
IP Signaling
SIP (RFC 3261) SIP (RFC 3261) SIP (RFC 3261)
Provisioning
TFTP, HTTP, HTTPS TFTP, HTTP, HTTPS TFTP, HTTP, HTTPS
Security
SRTP, IPSEC, TLS/SIPS,
HTTPS, 802.1x
SRTP, IPSEC, TLS/SIPS,
HTTPS, 802.1x
SRTP, IPSEC, TLS/SIPS,
HTTPS, 802.1x
Management
Syslog support, HTTP and
Telnet access
Syslog support, HTTP and
Telnet access
Syslog support, HTTP and
Telnet access
Dial Plan
Yes Yes Yes
3-Way Conference
3-Way conference with local
mixing
3-Way conference with local
mixing
3-Way conference with local
mixing
Caller ID
Bellcore Type 1 & 2, ETSI,
BT, NTT, and DTMF-based
CID
Bellcore Type 1 & 2, ETSI,
BT, NTT, and DTMF-based
CID
Bellcore Type 1 & 2, ETSI,
BT, NTT, and DTMF-based
CID
Polarity Reversal /
Wink
Yes Yes Yes
EMC
EN55022/EN55024 and
FCC part15 Class B
EN55022/EN55024 and
FCC part15 Class B
EN55022/EN55024 and
FCC part15 Class B
Network
Connectivity
IPv4, IPv6, TCP/UDP,
RTP/RTCP, HTTP/HTTPS,
ARP/RARP, ICMP, DNS,
DHCP, NTP, TFTP,
TELNET, PPPoE, STUN
IPv4, IPv6, TCP/UDP,
RTP/RTCP, HTTP/HTTPS,
ARP/RARP, ICMP, DNS,
DHCP, NTP, TFTP,
TELNET, PPPoE, STUN
IPv4, IPv6, TCP/UDP,
RTP/RTCP, HTTP/HTTPS,
ARP/RARP, ICMP, DNS,
DHCP, NTP, TFTP,
TELNET, PPPoE, STUN