Grandstream GXW4232 32 FXS Port VoIP Gateway

Description

Grandstream GXW4232 32 FXS Port VoIP Gateway – Enterprise Analog-to-IP Solution

Bridge the gap between legacy analog systems and modern VoIP technology with the Grandstream GXW4232 32 FXS Port VoIP Gateway – a powerful enterprise-grade solution that seamlessly converts traditional telephony infrastructure to IP-based communications. This high-density analog gateway enables organizations to preserve their investment in existing analog devices while gaining the cost savings and advanced features of VoIP technology.

Grandstream GXW4232 is engineered for businesses, service providers, and enterprises that require reliable, scalable analog-to-IP connectivity. Whether migrating from traditional PBX systems or integrating legacy equipment with new IP communications platforms, this gateway provides the robust performance and enterprise features needed for demanding business environments.

Grandstream GXW4232 represents the pinnacle of analog-to-VoIP gateway technology, delivering enterprise-class performance in a compact, high-density form factor. This sophisticated gateway transforms traditional analog telephony infrastructure into a modern, feature-rich IP communications system without requiring replacement of existing analog devices.

Grandstream GXW4232 Key Benefits:

Seamless Migration Path: Protect your existing investment in analog phones, fax machines, and specialty devices while transitioning to VoIP technology at your own pace, eliminating the need for expensive forklift upgrades.

Enterprise Reliability: Built with carrier-grade components and redundant systems, the GXW4232 delivers the reliability and uptime that mission-critical business communications demand.

Cost-Effective Scalability: High-density 32-port design reduces rack space requirements and per-port costs while providing room for future expansion as your organization grows.

Universal Compatibility: Standards-based SIP implementation ensures compatibility with virtually any IP PBX, hosted VoIP service, or SIP trunking provider, providing maximum deployment flexibility.

Advanced Feature Set: Comprehensive telephony features including flexible routing, advanced codec support, and robust security capabilities rival those found in dedicated PBX systems.

Professional Installation: Designed for professional deployment with extensive provisioning options, centralized management capabilities, and comprehensive monitoring tools.

Grandstream GXW4232 Technical Specifications

Port Configuration

• FXS Ports: 32 analog telephone ports (RJ11 connectors)
• Port Density: High-density 1U rack-mount design
• Simultaneous Calls: Up to 32 concurrent calls
• Line Impedance: 600 ohms (North America), 900 ohms (International)
• Ring Voltage: 45V RMS, 20Hz (configurable)
• Loop Current: 25mA minimum per port

Network Specifications

• Ethernet Ports: 2x Gigabit Ethernet (10/100/1000 Mbps)
• Network Protocols: SIP (RFC 3261), RTP/RTCP, TCP/IP, UDP, DHCP, DNS
• VLAN Support: 802.1Q VLAN tagging and QoS
• NAT Traversal: STUN, TURN, ICE support for firewall traversal
• Network Security: TLS, SRTP encryption, HTTP/HTTPS management

Voice Quality & Codecs

• Supported Codecs:
  • G.711 (a-law/μ-law)
  • G.723.1 (5.3/6.3 kbps)
  • G.729A/B
  • G.726 (16/24/32/40 kbps)
  • iLBC (13.3/15.2 kbps)
• Voice Quality: Toll-quality voice with advanced jitter buffer
• Echo Cancellation: ITU-T G.168 compliant, 128ms tail length
• Silence Suppression: VAD (Voice Activity Detection) and CNG
• DTMF: In-band and out-of-band (RFC 2833, SIP INFO)

Fax & Modem Support

• Fax Transmission: T.38 fax relay and G.711 pass-through
• Fax Speed: Up to 14.4 kbps super G3 fax
• Modem Support: V.34 modem pass-through capability
• Fax Detection: Automatic T.38 and pass-through mode switching
• Error Correction: Advanced error correction and redundancy

Telephony Features

• Call Features:
  • Caller ID (Type I & II)
  • Call waiting, call hold, call transfer
  • 3-way conferencing
  • Call forwarding (unconditional, busy, no-answer)
  • Call pickup and park
  • Message waiting indication
• Dial Plans: Flexible digit manipulation and routing rules
• Ring Cadence: Configurable ring patterns and distinctive ring
• Hook Flash: Programmable hook flash timing
• Polarity Reversal: Answer and disconnect supervision

Security Features

• Encryption: SRTP voice encryption, TLS signaling security
• Authentication: Digest authentication, IP access control
• VPN Support: Built-in VPN client for secure remote connectivity
• Firewall: Stateful packet inspection firewall
• Certificate Management: X.509 certificate support

Management & Provisioning

• Configuration: Web-based GUI, Telnet, SSH access
• Provisioning: Auto-provisioning via HTTP/HTTPS, TFTP, FTP
• SNMP: SNMP v1/v2c/v3 for network monitoring
• Syslog: Comprehensive logging and troubleshooting
• TR-069: CPE WAN Management Protocol support
• Backup/Restore: Configuration backup and restore capabilities

Power & Hardware

• Power Requirements:
  • AC 100-240V, 50/60Hz (external adapter)
  • DC 12V, 5A power consumption
• Power Redundancy: Dual power input support (optional)
• Dimensions: 440mm x 250mm x 44mm (1U rack-mount)
• Weight: 3.2 kg (7.0 lbs)
• Operating Temperature: 0°C to 40°C (32°F to 104°F)
• Humidity: 10% to 90% non-condensing
• Cooling: Intelligent fan control with temperature monitoring

Performance Specifications

• Call Capacity: 32 simultaneous calls
• Call Setup Time: <3 seconds typical
• Voice Latency: <150ms typical (LAN to LAN)
• Packet Loss Tolerance: Up to 5% with advanced jitter buffer
• Mean Time Between Failures: >100,000 hours
• Availability: 99.999% uptime specification

Compliance & Standards

• SIP Compliance: RFC 3261, 3262, 3263, 3264, 3265
• Telephony Standards: ITU-T G.168, G.711, G.729, T.38
• Network Standards: IEEE 802.3, 802.1Q, 802.1p
• Regulatory: FCC Part 68, UL Listed, CE marked
• Environmental: RoHS compliant

Grandstream GXW4232 SIP Compatibility

• IP PBX Systems:
  • Asterisk, FreePBX, 3CX
  • Cisco, Avaya, Mitel
  • Microsoft Teams Phone System
• Service Providers:
  • SIP trunking providers
  • Hosted VoIP services
  • Cloud PBX platforms
• Registration: Up to 2 SIP registrar accounts per port

Advanced Features

• Flexible Routing: Port-based and DID-based call routing
• Music on Hold: Built-in and external MoH support
• Time-based Routing: Schedule-based call handling
• Emergency Services: Enhanced 911 support and routing
• Bulk Configuration: Template-based multi-unit provisioning
• High Availability: Failover and redundancy support

Package Contents

• 1x Grandstream GXW4232 Gateway
• 1x External power adapter (100-240V AC to 12V DC)
• 1x Ethernet cable (CAT5e)
• 1x Rack mounting brackets and screws
• 1x Quick installation guide
• 1x CD with user manual and configuration tools

Grandstream GXW4232 Warranty & Support

• Warranty: 1-year limited hardware warranty
• Firmware Updates: Free lifetime firmware updates
• Technical Support: Professional technical support available
• Documentation: Comprehensive deployment and user guides
• Training: Online training resources and webinars

Typical Applications

• Legacy PBX Migration: Gradual transition from TDM to IP
• Branch Office Connectivity: Connect remote analog devices
• Service Provider: Wholesale VoIP and analog termination
• Enterprise: Large-scale analog device integration
• Government: Secure analog-to-IP conversion
• Healthcare: Medical device and fax integration

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