Grandstream GXW4008 VoIP Gateway Kenya


Grandstream GXW4008  VoIP Gateway Kenya

The Grandstream GXW4008  VoIP Gateway in Kenya  FXS series is the best solution for businesses looking to attach one or more lines of a legacy PBX to a VOIP phone system provider. The Grandstream GXW4008 VoIP Gateway in Nairobi features 4 or 8-port FXS interfaces for analog telephones, PSTN life line in case of power failure, dual 10M/100M network ports with combined NAT router and an RS232 serial port for administration.


Grandstream GXW4008 VoIP Gateway Nairobi 

The Grandstream GXW4008 in Nairobi VoIP Gateway is an 8 FXS port gateway that allows analog phones, fax machines and traditional analog PBX systems to attach to a VoIP system or provider. The Grandstream GXW4008 in Nairobi features 2 10/100 ports for network with a combined router for connecting to the network and an RJ11 line for PSTN failover. It also has an RS232 serial port for administration.

The Grandstream GXW4008 in Nairobi VoIP Gateway also supports 2 SIP Account profiles, T.38 fax, flexible dialing plans, caller ID for various regions, security protection and broad voice codecs.

The Grandstream GXW4008  FXS gateway is a perfect solution for businesses looking to attach one or more lines of a traditional PBX to a VoIP phone system or provider. Each SIP Account supports 2 profiles and this FXS Gateway supports T.38 fax along with G.711, G.723, G.726, G.729 and iLBC codecs.

The Grandstream GXW400x in Nairobi FXS gateway series allows small and medium businesses to create combined IP and PSTN telephony systems that professionally manage communication costs. These analog FXS gateways feature 4 or 8 FXS ports for analog telephones, two-10/100 Mbps ports for connection to an IP network. The Grandstream GXW400x Kenya VoIP Gateway series also contains a built-in NAT router. Advanced telephony features, easy automated provisioning, excellent voice quality and a PSTN lifeline port allow the Grandstream GXW400x series to be the perfect analog gateway solution for businesses.

Grandstream GXW4008 VoIP Gateway Features:

  • 4 or 8 FXS ports with PSTN life line in case of power failure
  • 2 10/100 Mbps network ports (switched or routed)
  • Comprehensive codec support, caller ID, flexible dial plans and security protection
  • Support for T.38 fax
  • Advanced security protection with SRTP
  • Failover SIP server feature in case main SIP server goes down
  • 8 FXS ports
  • Two RJ-45 ports 10/100 Mbps (switched or routed)
  • Multiple SIP accounts (choice of 2 profiles per account)
  • 38 Fax compliant
  • 168 Echo Cancellation
  • Voice Activation Detection (VAD)
  • Comfort Noise Generation (CNG)
  • Packet Loss Concealment (PLC)
  • Supports PSTN/PBX analog telephone sets or analog trunks
  • 4/8 FXS Ports 
    • Foreign Exchange Subscribers (FXS) refers to the port that actually delivers the analog line to the subscriber. It is simply the “plug in the wall” that delivers a dial tone, battery current and ring voltage. This is the jack or interface to the phone system which FXO devices can be connected to. The Grandstream  GXW4008 VoIP Gateway has been equipped with 4 or 8  FXS ports with PSTN life line in case of power failure so as to maximize communication while using your telephone to make calls, thus maximizing work productivity.
  • Crystal Clear Conversations
    • The Grandstream GXW4008 VoIP Gateway offers users distraction-free communication courtesy of the inbuilt industry-leading G.168 – Compliant Acoustic Echo Cancelling Technology, Voice Activity Detection, and Comfort Noise Generation that deliver superior High Definition sound quality devoid of extraneous noises. It also uses various voice compression codecs such as G.711, G.723, G.726 (40/32/24/16), G.729A/B/E, G.728, and iLBC to deliver clear audible. This makes it possible to enjoy fluent phone conversations.
  • Affordable Solution
    • The Grandstream GXW4008 VoIP Gateway is configured to support low energy consumption thus lower power costs . This saves you from incurring extra costs while using the high – performing gadget. The setup further gives you the freedom to select only what you need for a perfect fit based on the already existing office fixtures.
  • Flexibility
    • The highly versatile Grandstream GXW4008 VoIP Gateway pushes versatility to a new high, thanks to its ability to complement already existing fixtures for enhanced web and audio conferencing, as well as other communication needs. This makes it easy to integrate seamlessly into any office setup without disorienting earlier structures and work ethic. Furthermore, the device is easy to redeploy as the business grows and needs to transform.
  • Automated Provisioning – TFTP/HTTP/HTTPS
    • The technologically advanced Grandstream GXW4008 VoIP Gateway has the ability to deploy information technology or telecommunications service by using embedded pre-defined procedures that are carried out electronically without requiring any human intervention, thus making it very reliable and convenient.
  • High Performance
    • The premium Grandstream GXW4008  uses G.168 – Compliant Acoustic Echo Cancellation which delivers powerful voice processing abilities. The Grandstream GXW4008 VoIP Gateway provides voice signal processing (G.711, G.729A, and G.723.1 codecs), acoustic echo cancelation, and T.38 fax relay under full-load conditions, allowing up to 100 concurrent calls.
  • Rich QoS Capabilities
    • Quality of Service (QoS) is a feature of routers and switches which prioritizes traffic so that more important traffic can pass first, resulting in an overall performance improvement for critical network traffic. This feature is very useful in the Grandstream  GXW4008 VoIP Gateway whenever there are high volumes of traffic, therefore eliminating any delays while working.
  • Interoperability
    • The Grandstream GXW4008 VoIP Gateway Dubai works perfectly with popular SIP servers, such as Cisco CallManager/CUCM, Broadsoft, Microsoft Skype for Business (Lync), –  Huawei IMS, and Asterisk/Elastix, thus allowing you to enjoy its maximum efficiency and convenience. 

GrandStream GXW4008 VoIP Gateway Quick Specifications

Telephone Interfaces:     GXW4008: 8 RJ11 FXS ports
Network Interfaces: 10M/100Mbps, dual RJ45 ports
Admin Console Interface: RS232 Serial Port
LED indicators: Power, Network and Line LEDs
Voice-over-Packet Capabilities: G.168 compliant Echo Cancellation, Dynamic Jitter Buffer, Modern detection & auto-switch
PTSN Fail-over Life Line: PTSN failover on power failure
Voice Compression: G.711, G.723, G.726 (40/32/24/16), G.729A/B/E, G.728, iLBC
DHCP Client/Server: Yes, NAT Router or Switched Mode
Fax over IP: T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through
QoS: Diffserver, TOS, 802.1P/Q VLAN tagging
IP Transport: RTP/RTCP
DTMF Method: Flexible DTMF transmission method, user interface of in-audio, RFC2833, and/or SIP info
IP Signaling: SIP (RFC 3261)
SIP Server Profiles & Accounts Per System: Up to 2 distinct SIP server profiles per system and independent SIP account per port
Provisioning: TFTP, HTTP, HTTPS
Media: SRTP not available
Control: TLS/SIPS
Management: Syslog support, HTTPS, telnet, remote management using web browser
Power: Output: 12VDC Input: 100-240VAC / 50-60Hz 

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GXW4008 Datasheet