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Grandstream Networks, Inc.
GXW40XX User Manual
Page 10 of 40
Firmware 1.0.5.10
Last Updated: 01/2012
Voice Compression
Annex
II (VAD/CNG
format)
encoder
and
decoder,
G.723.1A,
G.726(ADPCM
with
16/24/32/40 bit rates),
G.729A/B/E, iLBC
G.726 provides proprietary
VAD, CNG, and sig
nal
power estimation, Voice
Play Out un it (reordering,
fixed and adaptive jitter
buffer,
clock
synchronization),
AGC
(automatic gain control),
Status output, Decoder
controlling via voice packet
header
Annex II (VAD/CNG format)
encoder
and
decoder,
G.723.1A,
G.726(ADPCM
with 16/24/32/40 bit rates),
G.729A/B/E, iLBC
G.726 provides proprietary
VAD, CNG, and signa
l
power estimation, Voic e
Play Out unit (reordering,
fixed and adaptive jitter
buffer,
clock
synchronization),
AGC
(automatic gain control),
Status output, Decoder
controlling via voice packet
header
Annex
II (VAD/CNG
format)
encoder
and
decoder,
G.723.1,
G.726(ADPCM
with
16/24/32/40 bit rates),
G.729A/B/E, iLBC
G.726 provides proprietary
VAD, CNG, and signa
l
power estimation, Voice
Play Out unit (reordering,
fixed and a daptive jitter
buffer,
clock
synchronization),
AGC
(automatic gain control),
Status output, Decoder
controlling via voice packet
header
DHCP Server/Client
Yes, NAT Router or
Switched Mode
Yes,
NAT
Router or
Switched Mode
Yes, 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.19,
V.27ter, V.29 for T.38 fax
relay
T.38 compliant Group 3 F ax
Relay up to 14.4kp bs and
auto-switch to G.711 for F ax
Pass-through,
Fax Datapump V.17, V.19,
V.27ter, V.29 for T.38 fax
relay
T.38 compliant Group 3
Fax Relay up to 14.4kpb s
and auto-switch to G.711
for Fax Pass-through,
Fax Datapump V.17, V.19,
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
Control
TLS/SIPS
TLS/SIPS
TLS/SIPS
Management
Syslog support, HTTP and
Telnet access
Syslog support, HTTP and
Telnet access
Syslog support, HTTP and
Telnet access
Dial Plan
Yes
Yes
Yes
UPnP Support
Yes
Yes
N/A
Caller ID
Bellcore Type 1 & 2, ET SI,
BT, NTT, and DTMF-based
CID
Bellcore Type 1 & 2, ET SI,
BT, NTT, and DT MF-based
CID
Bellcore Type 1 & 2, ET SI,
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