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4 Port PRI VoIP Gateway

The CASQ L204 is a 4 port PRI VoIP Gateway designed to provide superior voice communication over IP networks. With support for four Primary Rate Interface (PRI) connections, this gateway serves as a robust bridge between traditional PSTN networks and modern VoIP platforms. Built for high performance and reliability, the L204 is an excellent choice for medium to large-sized enterprises requiring extensive voice services over IP infrastructure. Fully compliant with the SIP protocol, it ensures seamless integration with diverse VoIP systems and features centralized cloud-based management, making it a scalable and cost-efficient communication solution.

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4 Port PRI VoIP Gateway
4 Port PRI VoIP Gateway 4 Port PRI VoIP Gateway 4 Port PRI VoIP Gateway 4 Port PRI VoIP Gateway

4 port pri gateway

What is a 4 Port PRI VoIP Gateway?

Enhancing Communication Systems with a 4 Port PRI VoIP Gateway: The 4 Port PRI VoIP Gateway is a versatile telecommunications device designed to bridge traditional telephony with IP-based networks. It converts four PRI (Primary Rate Interface) lines to VoIP (Voice over IP), allowing businesses to connect legacy PBX systems to IP-based communication platforms seamlessly.
With support for four PRI connections, this gateway is ideal for large organizations that require higher call capacity and want to transition to VoIP without overhauling their entire telephony setup. The 4 Port PRI VoIP Gateway provides a scalable, cost-effective solution for businesses looking to integrate VoIP capabilities with existing PRI-based systems.
Offering high-quality voice transmission and seamless integration with SIP-based systems, the 4 Port PRI VoIP Gateway enhances call quality, improves telephony cost efficiency, and supports flexible call routing over IP networks. This gateway allows organizations to manage communications across multiple locations, leverage unified communications, and improve call handling efficiency, making it a powerful choice for modernizing business telephony.

How a 4 Port PRI VoIP Gateway Works:

  1. PRI to VoIP Conversion:

    • The 4 Port PRI VoIP Gateway converts traditional PRI voice signals to VoIP (Voice over IP) signals, allowing calls to be transmitted over IP-based networks such as LAN, WAN, or the internet.
    • Incoming VoIP calls are also converted back to PRI format, enabling seamless communication with PRI-based systems.
  2. Quad Channel PRI Connection:

    • With four dedicated PRI ports, the device supports up to 120 simultaneous calls (depending on PRI standards in use), making it suitable for large-sized businesses that rely on PRI for call management.
  3. PBX and SIP Integration:

    • The 4 Port PRI VoIP Gateway integrates smoothly with PBX systems, allowing businesses to route PRI calls through their existing VoIP or SIP-based systems.
    • This gateway is ideal for organizations that want to connect multiple PRI lines to IP-PBX systems, providing a scalable solution for modernizing business communications.
  4. Cost-Effective Communication:

    • By utilizing IP networks, businesses can reduce communication costs by routing calls over the more cost-effective internet or local networks instead of traditional phone lines.
    • Many 4 Port PRI VoIP Gateways feature least-cost routing, selecting the most affordable path for outgoing calls based on time, destination, and network preferences.
  5. Enhanced Call Management:

    • The gateway provides features like call forwarding, call routing, and monitoring capabilities, enhancing the way businesses manage and control their telephony systems.
  6. Use Cases:

    • Large Businesses: Transition to VoIP without major infrastructure changes, reducing telephony costs while maintaining PRI connectivity.
    • Branch Offices: Connect remote or branch locations with headquarters using VoIP, enabling centralized communications.
    • Legacy Systems: Continue to use PRI-based PBX systems while gaining access to VoIP features for flexible communication options.
  7. Key Components:

    • PRI Ports: Four PRI ports allowing connection of multiple PRI lines with support for a higher volume of simultaneous calls.
    • Ethernet Port: Used to connect the gateway to a local IP network, facilitating VoIP communication.
    • Control Interface: Typically a web-based interface for configuring call routing, PRI settings, and network preferences.
  • Specifications

    4 Port PRI VoIP Gateway is an open-source Asterisk-based VoIP Gateway solution for operators and call centers. It is a converged media gateway product. This kind of gateway connects traditional telephone systems to IP networks and integrates VoIP PBX with the ISDN seamlessly. With a user-friendly GUI, customers may easily set up their customized Gateway. Additionally, secondary development can be completed through AMI (Asterisk Management Interface).

    The L204 digital VoIP gateway supports 1/2/4 software-selectable T1/E1/PRI interfaces and supports up to 30/60/120 concurrent calls. The “R” indicates that the device supports redundant power supply.

     

    Target Applications

    • Connect legacy PBX systems to low-cost VoIP services
    • Connect legacy PBX systems to remote sites over private VoIP links
    • Connect IP PBX systems to legacy TDM services
    • Phased transition from legacy PBX to IP PBX
    • Connect virtualized systems to legacy TDM services
    • Transcoding by connecting systems using varying codecs
    • Lync connectivity to SIP or legacy TDM providers and SIP or Legacy PBX

    Technical Specifications

    • 1/2/4 T1/E1 RJ45 interfaces
    • 2 10/100/1000M Ethernet ports
    • 2 USB 2.0 ports
    • L204 with redundant power supply
    • L204 with single power supply
    • Maximum Power Consumption: 20W
    • Power supply specification: 100-240V/AC
    • Operation humidity: 5%~95% non-condensing
    • Operating temperature: 0℃~70℃
    • Storage temperature: -40℃~85℃
    L204 E1/T1/PRI VoIP Gateway
    Product Model DG130 DG130R L202 L202R L204 L204R
    Power Supply 1 2 1 2 1 2
    Ports 1 2 4
    Concurrent Calls 30 60 120
    Maximum Power 20W
    Operating temperature 0℃~70℃
    Storage temperature -40℃~85℃
  • Features

    System Features

    • Available in 1/2/4 port T1/E1, up to 120 energy-efficient concurrent processing
    • Signalling: PRI/R2/SS7
    • Support up to 24 countries’ standard R2 signalling
    • Support new R2 variant
    • Simple and convenient configuration via Web GUI
    • Codecs support: G.711A, G.711U, G.729A, G.723.1, G.722, GSM
    • Support protocols: SIP, IAX, TCP, UDP, RTP, SSH, HTTP, HTTPS
    • Support NTP time synchronization and client time synchronization
    • Support SSH access for background management, Asterisk CLI command operation
    • Open API interface (AMI)
    • Support ports group management
    • Support for custom dialplans
    • Firmware update by HTTP
    • Support call statistics
    • Support TR069
    • Support auto provision
    • Support channel status show dynamically
    • Support backup/upload configuration file
    • Multiple detailed log outputs
    • Support Chinese language
    • Automatically reboot
    • Good compatibility, support Asterisk, Elastix, Freeswitch, and Small and Medium IPPBX platform
    • Available for OEM

    SIP Features

    • Support add, modify & delete SIP Accounts
    • SIP registration with Domain
    • Support multiple SIP registrations: Anonymous, Endpoint registers with this gateway, This gateway registers with the endpoint
    • SIP accounts can be registered to multiple servers
    • Combine different SIP Trunks into group
    • SIP (RFC3261) compliance
    • DTMF: RFC2833, SIP INFO, INBAND
    • Support T.38 / Pass-through Fax

    Routing

    • Flexible routing settings
    • Support 512 routing
    • Support caller/callee manipulation and filtering
    • Trunk group support, Trunk priority management
    • Support add, modify & delete routing
    • E1/T1 port grouping
    • Support Failover

    Network Features

    • Network type: Static IP and DHCP
    • IPv4, UDP/TCP, DHCP, TFTP, SCP
    • HTTP/HTTPS/SSH
    • Support DDNS
    • Support ping & traceroute command on the web
    • Support network capture on the web

 
SIP Support

SIP Support

SIP Trunk

SIP Trunk

OpenVPN

OpenVPN

HD Voice Quality

HD Voice Quality

IPv4

IPv4, UDP/TCP, DHCP

Fax T.38/T.30

Support Fax T.38/T.30