• LANCOM 1783VA-4G
  • LANCOM 1783VA-4G
  • LANCOM 1783VA-4G

End of sale: LANCOM 1783VA-4G

Highly available telephony and high-speed Internet

The LANCOM 1783VA-4G is the ideal device for professional telephony and high-speed VPN connectivity (via VDSL2/ADSL2) for small and medium-sized enterprises. Equipped with telephony features, 2 ISDN interfaces and 2 analog interfaces, you can operate analog, ISDN, and VoIP telephony at locations with an All-IP exchange line—without having to replace existing components. The additional LTE/4G modem offering up to 100 Mbps also enables intelligent high-availability backup scenarios in mission-critical environments.


Continued use of existing ISDN and analog components

The LANCOM 1783VA-4G translates between ISDN, analog, and VoIP. Along with the latest VoIP equipment, you can continue to operate your existing ISDN and analog components without having to replace them. Even after switching to the new All-IP connection, this cost-saving solution conveniently and professionally integrates your ISDN and analog network components. It is also possible to operate a combination of analog, ISDN, and VoIP PBX devices directly at the LANCOM router.

Professional telephony with the LANCOM VCM (Voice Call Manager)

The LANCOM Voice Call Manager is already integrated into the LANCOM 1783VA-4G and provides advanced telephony support. It handles the telephony management and controls all of the PBX components and functions of the router.

High-speed Internet access

The LANCOM 1783VA-4G is a professional, high-performance VPN router for high-speed Internet access with its integrated VDSL2/ADSL2+ modem. Thus it offers maximum flexibility for the transition from ADSL to the high-speed Internet with VDSL - thanks to VDSL2 Vectoring support offering up to 100 Mbps. Ideal for business-critical applications: The additional LTE/4G modem for high-speed cellular networking at up to 100 Mbps is ideal for intelligent backup scenarios as an alternative to wired Internet connections.

Professional VPN solution

VPN solutions from LANCOM offer flexible, economical and secure networking of headquarters, subsidiaries, branches, sites, and home-office workplaces in small, mid-sized and large enterprises. The LANCOM 1783VA-4G supports up to 5 simultaneous IPsec VPN channels, with optional upgrades for 25 channels.

Security Made in Germany

Software development, hardware development and production take place primarily in Germany, as does the hosting of the network management. Special attention is given to providing trusted solutions with outstanding security features. Another important security characteristic of the products is that they are free from backdoors, as awarded by the German Federal Ministry of Economy with the quality seal “IT Security made in Germany”.

Maximum agility with LANCOM SD-WAN

Get set with SD-WAN! Benefit from LANCOM SD-WAN and our holistic approach to gain even more agility in handling your site connectivity. Replace your traditional, static and manually configured network infrastructure by an automated, software-defined WAN.

Learn more here

Technical features

  • Business VoIP VPN router for the continued operation of existing ISDN and analog components after converting to All-IP
  • Professional telephony functions with the integrated LANCOM VCM (Voice Call Manager)
  • Flexible professional router for high-speed Internet access thanks to the VDSL2 and ADSL2+ modem and LTE/4G modem
  • 2x ISDN S0 (TE/NT + NT) for point-to-point or multipoint line configuration
  • 2x analog (internal) / fax
  • Up to 4 simultaneous ISDN voice channels
  • 5 IPSec VPN channels (25 optional) for professional and secure site connectivity
  • Security Made in Germany
  • Maximum security, reliability, and future-proofness

Accessories and Options



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