Grandstream Networks GHP6 Series User manual

Grandstream Networks, Inc.
GHP6XX Series
GHP6XX – Administration Guide

GXW42XX Series – User Manual
Thank you for purchasing the Grandstream GXW42XX Analog FXSIP Gateway. The GXW42XX offers an easy to manage, easy to
configure IP communications solution for any business with virtual and/or branch locations. The GXW42XX supports popular
voice codecs and is designed for full SIP compatibility and interoperability with third party SIP providers, thus enabling you to
fully leverage the benefits of VoIP technology, integrate a traditional phone system into a VoIP network, and efficiently
manage communication costs.
This manual will help you learn how to operate and manage your GXW FXS Analog IP Gateway and make the best use of its
many upgraded features including simple and quick installation, multi-party conferencing, and direct IP-IP Calling. This IP
Analog Gateway is very easy to manage and scalable, specifically designed to be an easy to use and affordable VoIP solution
for the small – medium business or enterprise.
GATEWAY GXW42XX OVERVIEW
The new GXW42XX series has a compact and quiet design and offers superb audio quality, rich feature functionality, strong
security protection, and good manageability. It is auto-configurable, remotely manageable and scalable.
The GXW42XX series features 16, 24, 32 or 48port FXS interface for analog telephones, dual 10/100/1000Mbps network ports,
and RJ21analog port. In addition, it supports the option of 4 SIP Server profiles, caller ID for various countries/regions, T.38
fax, flexible dialing plans, security protection (SIPS/TLS), comprehensive voice codec including G.711 (a/u-law), G.723.1,
G.726(16/24/32/40 bit rates), iLBC and G.729.
Safety Compliances
The GXW42XX is compliant with various safety standards including FCC/CE. Its power adapter is compliant with UL standard.
Warning:
Use only the power adapter included in the GXW42XX package. Use of alternative power adapter may permanently damage the
unit.
Warranty:
Grandstream has a reseller agreement with our reseller customers. End users should contact the company from whom the
product was purchased, for replacement, repair, or refund.
If you purchased the product directly from Grandstream, contact your Grandstream Support for an RMA (Return Materials
Authorization) number. Grandstream reserves the right to change the warranty policy without prior notification.
Caution
Changes or modifications to this product not expressly approved by Grandstream, or operation of this product in any way other
than as detailed by this User Manual, could void your manufacturer warranty.
Warning
Once the GXW42xx V2 device is upgraded to 1.0.7.2, it cannot be downgraded to 1.0.5.4 or an earlier version due to the addition
of 2nd generation individual certificates.
Note

CONNECT YOUR GXW42XX GATEWAY
Connecting the GXW42XX gateway is easy. Before you begin, please verify the contents of the GXW42XX package.
Equipment Packaging
Unpack and check all accessories. Equipment includes:
one device unit
one RJ45 Ethernet cable
one 12V 5A universal power adapter (24V 6.25A for GXW4248)
mount
Connect the GXW42XX
Follow these four (4) steps to connect your GXW42XX gateway to the Internet and access the unit’s configuration pages.
1. Connect standard touch-tone analog phones to the GXW42XX’s RJ21 port with a RJ11 to R21 cable.
2. Insert anRJ45 Ethernet cable into the WAN port of GXW42XX and connect the other end to an uplink port (a router or a
modem, etc.)
3. Plug the power adapter into the GXW42XX gateway into a power outlet.
Follow the instructions from the topic “Configuring GXW 42XX with Web Browser” for initial configuration. The GUI pages will
guide you through the remaining steps to set-up your gateway.
GXW42xx V2 device uses a different firmware file from the GXW42xx V1 device. Please use the correct firmware file for V1 and
V2 devices. To distinguish GXW42xx V2 device from V1 device, please check the label on the back of the device.
(1) GXW42xx V2 has “V2” printed for model name. For example, “Model: GXW4216 V2”. If the model’s name doesn’t have V1 or
V2 printed, the device is GXW42xx V1.
(2) GXW42xx V2 has the device password printed on the label. GXW42xx V1 does not have it.

Figure 1: Diagram of GXW4216/24/32/48 Panel
Ethernet port Connect to the internal LAN network or router
RESET Factory Reset button. Press and hold for a while to reset factory default settings.
DC IN Power adapter connection
Analog port Connect to analog phones / fax machines with an RJ21 to RJ11 cable
FXS ports FXS port to be connected to analog phones / fax machines.
Table 1: Definitions of the GXW Connectors
Once the GXW42XX is turned on and configured, the front display panel indicates the status of the unit.

Act LED Remains ON if plug the network cable.
LINK LED Indicates Ethernet port activity.
FXS LED
Indicate status of the respective FXS Ports on the back panel
Busy – ON (Solid Green)
Available – OFF
Slow blinking FXS LEDs indicates Voice Mail for that port.
All FXS LEDs slow blinking indicates provisioning.
Table 2: Definitions of the GXW Display Panel
Pin Signal Pin Signal
1RING1 26 TIP1
2RING2 27 TIP2
3RING3 28 TIP3
4RING4 29 TIP4
5RING5 30 TIP5
6RING6 31 TIP6
7RING7 32 TIP7
8RING8 33 TIP8
9RING9 34 TIP9
10 RING10 35 TIP10
11 RING11 36 TIP11
12 RING12 37 TIP12
13 RING13 38 TIP13
14 RING14 39 TIP14
15 RING15 40 TIP15
16 RING16 41 TIP16

Pin Signal Pin Signal
17 RING17 42 TIP17
18 RING18 43 TIP18
19 RING19 44 TIP19
20 RING20 45 TIP20
21 RING21 46 TIP21
22 RING22 47 TIP22
23 RING23 48 TIP23
24 RING24 49 TIP24
Figure 2: 50 Pin Telco Connector
GXW42XX FEATURES
The GXW42XX is a next generation IP voice gateway that is interoperable and compatible with leading IP-PBXs, Soft switches
and SIP platforms. The GXW42XX FXS gateway is auto-configurable, remotely manageable and scalable. The GXW42XX
gateways come in four models – the GXW4216, GXW4224, GXW4232and GXW4248, each offering superb voice quality,
traditional telephony functionality, easy deployment, and 16, 24,32 and 48FXS ports respectively. Each model features flexible
dialing plans, integrated call routing to support a pure IP network call and an external power supply.
Software Features Overview
16, 24, 32 or 48FXS ports (no front panel FXS ports on GXW4248)
RJ-45 Ethernet ports
4 configurable SIP profiles
Supports Voice Codecs:
G711 (a/µ, Annex I & II), G723.1A, G726 (ADPCM with 16/24/32/40 bit rates), G729 A/B, iLBC, T.38 Fax
Comprehensive Dial Plan support for Outgoing calls.
G.168 Echo Cancellation,
Voice Activation Detection (VAD), Comfort Noise Generation (CNG), and Packet Loss Concealment (PLC)
For GXW4216, only first 16 pairs are connected.
For GXW4232, first 24 pairs on 1 RJ21 connector and first 8 pairs on the 2 RJ21 connector are connected.
For GXW4224 and GXW4248, the last pair of pin 25 and 50 on each RJ21 is not connected.
All LED lights display green when ON.
LINK LED and ACT LED blinking in following status indicate different network speed.
10M: LINK and ACT all blink, ACT blinks faster than LINK
100M: LINK and ACT all blink, ACT blinks the same fast as LINK
1000M: LINK does not blink, only ACT blink
Slow blinking of FXS LED together indicates a firmware upgrade or provisioning state.
st nd

Supports PSTN/PBX analog telephone sets or analog trunks
GXW4216 GXW4224 GXW4232 GXW4248
Telephone
Interfaces 16 FXS ports 24 FXS ports 32 FXS ports 48 FXS ports
SIP
Provisioning
16 SIP accounts, 4
profiles
24 SIP accounts, 4
profiles
32 SIP accounts, 4
profiles
48 SIP accounts, 4
profiles
Network
Interface 10/100/1000 Mbps, RJ-45
Number of
Concurrent
Calls (except
when using
SRTP)
16 Concurrent Calls 24 Concurrent Calls 32 Concurrent Calls 48 Concurrent Calls
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 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, G.723.1A, G.726(ADPCM
with 16/24/32/40-bit rates), G.729, 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
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, 802.1P/Q VLAN tagging
Transport
Protocol RTP
DTMF Method In-audio, RFC2833, and/or SIP Info
IP Signaling SIP (RFC 3261)
Provisioning TFTP, HTTP, HTTPS
Security SRTP, TLS/SIPS, HTTPS, 802.1x
Management Syslog support, HTTP/HTTPS and SSH access
Dial Plan Yes
3-way
Conference 3-Way conference with local mixing
Caller ID Bellcore Type 1 & 2, ETSI, BT, NTT, FSK and DTMF-based CID

Table 3: GXW42xx Software Specifications
Hardware Specification
The hardware specifications of the GXW FXS series are detailed in Table 4.
Polarity
Reversal / Wink Yes
Network
Connectivity
IPv4, TCP/UDP, RTP, HTTP/HTTPS, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP, SSH, PPPoE, STUN, DDNS,
OpenVPN®
GXW4216 GXW4224 GXW4232 GXW4248
Telephone
Interfaces
16 RJ11 Ports/
1 RJ21 Port
24 RJ11 Ports/
1 RJ21 Port
32 RJ11 Ports/
2 RJ21 Ports 2 RJ21 Ports only
FXS LEDs 16 24 32 48
Network
Interface LAN, Single 10/100/1000 BASE-TX, RJ45
Power Input
Input:100-240VAC, 50/60Hz
Output: 12V DC, 5.0A (4216/24/32)
24V DC, 6.25A (4248 only)
LCD Screen 128x32 pixel
Telco
Connector 1 RJ21 (50 pins) 1 RJ21 (50 pins) 2 RJ21 (50 pins) 2 RJ21 (50 pins)
RJ-11
Connectors Yes Yes Yes No
Function
Buttons 1 button for Reset/Factory Reset
Environmental
Operation: 0°C to 45°C
Storage: -20°C to 60°C
Humidity: 10％ to 90% Non-condensing
Mounting Desktop and Rack mount
On-hook
Voltage Fixed, 48V
Ring Voltage 50Vrms (balanced ringing)
Ring
Frequency 20-50 Hz
Short Haul
Loop
2REN: Up to 2km on 24
AWG wire
2REN: Up to 2km on 24
AWG wire
2REN: Up to 2km on 24
AWG wire
2REN: Up to 2km on 24
AWG wire
Outdoor
Protection Over-voltage Protection and surge immunity

Table 4: GXW42xx Hardware Specifications
GXW42XX LCD Menu
The GXW42XX gateway series includes a small LCD screen for the display of basic information. The LCD has a display area of
128×32 pixels, which will allow for 2 lines of text with a 16px height limitation per line.
The LCD menu is showed as Figure 3: LCD Menu. Menu is navigated by the Down-arrow and OK button.
Figure 3: LCD Menu
BASIC OPERATIONS
Understanding GXW Voice Prompts
GXW42XX has a built-in voice prompt menu for simple device configuration. To enter the voice prompt menu, press *** on
the standard analog phone which is connected to device’s FXS port.
Signaling FXS Loop-start
EMC EN55022/EN55024 and FCC part15 Class B
Safety UL
Compliance FCC, CE, C-Tick

Menu Voice Prompt User’s Options
Main
Menu “Enter a Menu Option”
Enter “*” for the next menu option
Enter “#” to return to the main menu
Enter “001 – 005,007, 010, 013 – 017,047, 086 or 099” Menu option
Enter “9” for confirming an option
001
“DHCP Mode”,
“PPPoE Mode” or
“Static IP Mode”
Enter ‘9’ to toggle the selection
If user selects “Static IP Mode”, user need configure all the IP address information
through menu 002 to 005. If user selects “Dynamic IP Mode”, the device will retrieve all
IP address information from DHCP server automatically when user reboots the device.
002 “IP Address “ + IP
address
The current WAN IP address is announced
Enter 12-digit new IP address if in Static IP Mode.
003 “Subnet “ + IP address Same as Menu option 002
004 “Gateway “ + IP
address Same as Menu option 002
005 “DNS Server “ + IP
address Same as Menu option 002
007 Preferred Vocoder
Enter “9” to go to the next selection in the list:
PCMU
PCMA
iLBC
G-726
G-723
G-722
G-729
010 “MAC Address” Announces the Mac address of the unit.
013 Firmware Server IP
Address Announces current Firmware Server IP address. Enter 12-digit new IP address.
014 Configuration Server
IP Address Announces current Config Server Path IP address. Enter 12-digit new IP address.
015 Upgrade Protocol Upgrade protocol for firmware and configuration update. Enter “9” to toggle between
TFTP and HTTP
016 Firmware Version Firmware version information.
017 Firmware Upgrade
Firmware upgrade mode. Enter “9” to rotate among the following three options:
1. always check
2. check when pre/suffix changes
3. never upgrade