Vendor: Openvox

Openvox DGW-L301 1 Port E1 T1 PRO-3 Gateway

Regular price $615.12 Sale price $615.12 Regular price $699.00
Sale 12.0% $83.88 (12.0%)
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In stock: 2

Model: DGW-L301
Retail Price:  $699.00

OpenVox DGW-L301 E1 T1 PRO Gateway

  • A cost-effective version of 1 E1/T1/PRI gateway;
  • Supports 1 software-selectable E1/T1/PRI interface;
  • Supports up to 30 concurrent calls.

OpenVox DGW-L301 T1/E1/PRI 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 seamlessly integrates VoIP PBX with the PSTN. With a friendly GUI, users may easily set up their customized gateway. Also secondary development can be completed through AMI (Asterisk Management Interface).

The DGW-L301 T1/E1/PRI gateway supports 1 software-selectable T1/E1/PRI interface and supports up to 30 concurrent calls.

Technical Specifications

  • 1 T1/E1 RJ45
  • 2 10/100 Mbps Ethernet ports
  • Maximum Power Consumption: 3W
  • Power supply specification: 12V/1A
  • Operation humidity: 10%~90% non-condensing
  • Operating temperature: 0℃~50℃
  • Storage temperature: -20℃~70℃

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 IPPBX
  • 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

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
  • Support T.38 /Pass-through Fax


  • 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
  • Support DDNS
  • Support ping & traceroute command on the web
  • Support network capture on the web

System Features

  • Available in 1 port T1/E1, energy efficiency concurrent processing, up to 30
  • 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.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 output
  • Support Chinese language
  • Automatically reboot
  • Good compatibility, support Asterisk, Elastix, Freeswitch and Small and medium IPPBX platform
  • Available for OEM


  • 1 Year Limited Manufacturer Warranty