GRANDSTREAM

Gateways

GXW-4024

The GXW4024 is a high density SIP based analog telephone VoIP gateway that is fully interoperable with leading IP-PBX and Softswitch systems. It features 24 telephone ports, superb voice quality, rich telephony functionalities, easy provisioning, flexible dialing plans and advanced security protection.

The GXW4024 gateway enables small and medium businesses to create a cost-effective hybrid IP and analog telephone systems and enjoy the benefits of VoIP communications while preserving investment on existing analog phones and traditional PBX systems.

Features:

• 24 telephone FXS ports with both RJ11 and 50-pin Telco connector
• Up to 2 SIP server profiles per system and independent account per port
• Supported voice codecs include G.711, G.723, G.726A/B/E, iLBC, T.38 Fax
• Carrier grade G.168 line echo cancellation
• Ideal IP enabler for analog phones, faxes and legacy PBX systems
• Configuration web based, TFTP, HTTP, HTTPS

GXW-4004

The GXW-4004 FXS Series has a compact and quiet design (no fans) and offers superb audio quality, rich feature functionality, strong security protection, good manageability, and compelling price-performance ratio. It is auto-configurable, remotely manageable and scalable. It features 4-port FXS interface for analog telephones, dual 10M/100M network ports with integrated router, PSTN life line in case of power failure, and an RS232 serial port for administration.

The GXW-4004 also supports 2 SIP account profiles, caller ID for various countries/regions, T.38 fax, 1 or 2-stage dialing, flexible dialing plans, security protection (SIPS/TLS), comprehensive voice codecs including G.711 (a/u-law), G.723.1, G.726, G.729A/B/E and iLBC.

Features:

• 4 FXS ports
• Two RJ-45 ports 10/100 Mbps (switched or routed)
• Multiple SIP accounts (choice of 2 profiles per account)
• T.38 Fax compliant
• G.168 Echo Cancellation
• Voice Activation Detection (VAD)
• Comfort Noise Generation (CNG)
• Packet Loss Concealment (PLC)
• Supports PSTN/PBX analog telephone sets or analog trunks

GXW-4008

The GXW-4008 FXS Series has a compact and quiet design (no fans) and offers superb audio quality, rich feature functionality, strong security protection, good manageability, and compelling price-performance ratio. It is auto-configurable, remotely manageable and scalable. It features 8-port FXS interface for analog telephones, dual 10M/100M network ports with integrated router, PSTN life line in case of power failure, and an RS232 serial port for administration.

The GXW-4008 also supports 2 SIP account profiles, caller ID for various countries/regions, T.38 fax, 1 or 2-stage dialing, flexible dialing plans, security protection (SIPS/TLS), comprehensive voice codecs including G.711 (a/u-law), G.723.1, G.726, G.729A/B/E and iLBC.

Features:

• 8 FXS ports
• Two RJ-45 ports 10/100 Mbps (switched or routed)
• Multiple SIP accounts (choice of 2 profiles per account)
• T.38 Fax compliant
• G.168 Echo Cancellation
• Voice Activation Detection (VAD)
• Comfort Noise Generation (CNG)
• Packet Loss Concealment (PLC)
• Supports PSTN/PBX analog telephone sets or analog trunks

GXW-4104

The GXW FXO IP Analog Gateway series offers the small enterprise, SOHO, remote offices and multi-location enterprises a cost-effective, easy to deploy VoIP FXO solution. The GXW-4104 series allows any business to seamlessly connect multiple locations with up to 4 PSTN lines, to an IP PBX system, or with an existing traditional phone system. The GXW series includes two models with 4 ports respectively.

Designed and tested for full interoperability with leading IP-PBXs, Softswitches and most SIP-based environments, the GXW technology ensures manageability, a simple configuration, superb voice and video quality and feature rich functionality. The GXW FXO IP Analog Gateway series is based on open industry standards.

Features:

• 4 FXO port media gateways
• Video surveillance port
• External power supply
• Two RJ-45 ports 10/100 Mbps (switched or routed)
• TFTP and HTTP firmware upgrade support
• Multiple SIP accounts (choice of 3 profiles per account)
• G.168 - echo cancellation
• Flexible DTMF transmission: In Audio, RFC2833, SIP Info or any combination of the 3
• Selectable, multiple LBR coders per channel
• T.38 Fax compliant

GXW-4108

The GXW FXO IP Analog Gateway series offers the small enterprise, SOHO, remote offices and multi-location enterprises a cost-effective, easy to deploy VoIP FXO solution. The GXW-4108 series allows any business to seamlessly connect multiple locations with up to 8 PSTN lines, to an IP PBX system, or with an existing traditional phone system. The GXW series includes two models with 8 ports respectively.

Designed and tested for full interoperability with leading IP-PBXs, Softswitches and most SIP-based environments, the GXW technology ensures manageability, a simple configuration, superb voice and video quality and feature rich functionality. The GXW FXO IP Analog Gateway series is based on open industry standards.

Features:

• 8 FXO port media gateways
• Video surveillance port
• External power supply
• Two RJ-45 ports 10/100 Mbps (switched or routed)
• TFTP and HTTP firmware upgrade support
• Multiple SIP accounts (choice of 3 profiles per account)
• G.168 - echo cancellation
• Flexible DTMF transmission: In Audio, RFC2833, SIP Info or any combination of the 3
• Selectable, multiple LBR coders per channel
• T.38 Fax compliant

ANALOG TELEPHONE ADAPTOR IP (ATA)

Ultra-Compact and Lightweight Extremely Cost Affordable .

Full Feature Voice/Fax-over-IP. Universal Plug & dial.

 

Features:

• Support SIP 2.0, TCP/UDP/IP, RTP/RTCP, http, ARP/RARP, ICMP, DNS, DHCP, NTP, TFTP protocols.
• Sopport NAT traversal using IETF STUN and symmetric RTP (compatible with Cisco´s ATA 186, etc).
• DSP to ensure superb hifidelity audio quality.
• Provides 1 LAN port and 1 FXS interface for any analog telephones, cordless phones, and fax machines.
• Support transparent Fax pass-through and in the future T.38 (pending).
• Interoperable with various party SIP end user device.
• Advance and patent pending adaptive jitter buffer control, packet delay and loss concealment technology.
• Support popular codecs including G.723.1 (5.3 k / 6.3 k), G.729 A/B, G.711 (a-law and u-law), G.726, G.728. Dynamic negotiation of codec and coice payload length.
• Support standard voice features such as Caller ID Display or Block, FLASH, in-band and out-of-band DTMF (RFC2833), Dial Plans, off-hook auto dial, early dial, click-to-dial.
• Support acoustic echo cancelattion, voice mail with indicator, downloadable ring tone (pending).
• Support Silence Suppressión, VAD (Voice Activity Detection), CNG (Comfort Noise Generation), Line Echo Cancellation (G.168), and AGC (Automatic Gain Control).
• Support DIGEST authentication and encryption using MD5 and MD5-sess.
• Provide easy configuration thru manual operation (attached analog phone keypad and voice prompt, Web interface) or personalized automated provisioning via central configuration file for mass deployment.
• Support for Layer 2 (802.1Q VLAN, 802.1p) and Layer 3 QoS (ToS, DiffServ, MPLS).
• NAT-friendly remote software upgrade capabiliti (via tftp) even from behind firewalls/NATs.
• Support for fail-over SIP server and DNS server (pending).