OpenVox DGW-L20X Series E1 / T1 / PRI VoIP Gateway

OpenVox DGW-L20X Series E1 / T1 / PRI VoIP Gateway

OpenVox DGW-L20X T1/E1 Gateway is a powerful VoIP solution for operators and call centers, seamlessly connecting traditional telephony to IP networks. Featuring up to 4 T1/E1/PRI interfaces and support for 120 concurrent calls, it ensures high-performance voice integration with an intuitive GUI and AMI support.

OpenVox DGW-L20X T1/E1 Gateway is a powerful VoIP solution for operators and call centers, seamlessly connecting traditional telephony to IP networks. Featuring up to 4 T1/E1/PRI interfaces and support for 120 concurrent calls, it ensures high-performance voice integration with an intuitive GUI and AMI support.

Up to 4 x T1 / E1 RJ45

Up to 4 x T1 / E1 RJ45

DGW-L20X

4 port E1 / T1

2 * 10/100/1000 MBPS eth ports

4 * 10/100MBPS eth ports

Applications

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

Technical Specifications

Technical Specifications

1/2/4 T1/E1 RJ45

2 10/100/1000 Mbps Ethernet ports

2 USB 2.0 ports

Maximum Power Consumption: 18W

Power supply specification: 12V/1A

Power supply specification: 12V/1A

Operation humidity: 10%~90% non-condensing

Operating temperature: 0℃~70℃

Storage temperature: -40℃~85℃

Features

System Features

System Features

Available in 1 / 2 / 4 port E1/T1, 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

Auto reboot

Good compatibility, support Asterisk, Elastix, Freeswitch and Small and medium IPPBX platform

SIP Features

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

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 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

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Download

Online Manual

Download

Online Manual

Office Address:
22 Garnet St. Capitol View Park Subd.
Brgy. Bulihan, Malolos, Bulacan
Phone:
+63 917 700 2984
Viber:

+63 917 700 2984

Email:
hello@voicefidelity.com
Company
Careers

VFIDELITY INC.

© 2025 VFIDELITY INC. All Rights Reserved.

Office Address:

22 Garnet St. Capitol View Park Subd.

Brgy. Bulihan, Malolos, Bulacan

Phone:

+63 917 700 2984

Viber:

+63 917 700 2984

Email:

hello@voicefidelity.com

Get Help

FAQ

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Company

Careers

VFIDELITY INC.

© 2025 VFIDELITY INC.

All Rights Reserved.

Office Address:
22 Garnet St. Capitol View Park Subd.
Brgy. Bulihan, Malolos, Bulacan
Phone:
+63 917 700 2984
Viber:

+63 917 700 2984

Email:
hello@voicefidelity.com
Company
Careers

VFIDELITY INC.

© 2025 VFIDELITY INC. All Rights Reserved.