We know that the success criterion for successful work depends largely on accurate understanding of our customers' specific needs for their project, followed by the good technology of our consultants.

Learn how we worked with our customers to create value. The references shown are just a small subset of our many projects. Due to our obligations to our customers, not all can be displayed or described in detail for various reasons, which we obviously respect. All our projects are customer-developed projects and therefore confidential.

FE-2X10W-SMOD - SIP-client 2 x 10W speaker amplifier module - OEM

SIP-audio Linux based client module, that can convert any Passive Speaker into powerfull Active SIP-speaker with possibility to receive paging and broadcasting messages but also triger pre-programmed alarms from any IP-phone or IP-microphone.
FE-2X10W-SMOD - SIP-client 2 x 10W speaker amplifier module features:

FE-2X10W-DMOD - 2x10W IP-INTEGRA Linux SIP-amplifier module developed for 4M DIN-box - OEM

FE-2X10W-DMOD is a class-D amplifier module able to connect to any SIP-server as standard SIP-client and get a phone call as standard SIP-extension. Tones and messages can be streamed live or uploaded to device in order to play them later or periodically from build-in timer/scheduler. Auto-provisioning option through IP-INTEGRA SIP-server saves time, especially in the case of large-scale installations. The module can easily integrate into 3rd parts SIP-systems through WEB interface.
IP-INTEGRA SIP Audio Amplifier features:

IP-INTEGRA Intercom audio terminal - OEM

IP-Integra Intercom audio terminal is Linux based SIP client with PoE+ enabled power management and autoprovision ready device. It is complete Plug & Play device with autosetup through IP-Integra SIP Server. Wall mounted. Complete SW, HW & Mechanical design done by Freund Innovation Center. WEB Interface enabling connection to 3rd parts SIP Servers
IP-Integra Intercom audio terminal Components are:

IP-INTEGRA Android Display APP - OEM

IP-INTEGRA Android Display Application is multifunctional IP system integrator, that runs on Android 5+ operating system. It provides audio and video communication with Door phones via SIP protocol and integration with 3rd parts extension through IP/TCP and WEB interface.
Integra Components are:
  • IP Phone
  • Intercom
  • Home Automation
  • Weather
  • Energy Management
  • Video Surveillance
  • Booking
  • Information


IP-INTEGRA SIP Server is a complete Voice over IP (VoIP) system that provides businesses with all the Unified Communications features they expect, without the high price tag. Ideal for SMBs. It can be customized and integrated with Intercom systems as well as School Bell systems.
Some of the technologies that were used are:
  • Angular 4
  • Golang
  • Asterisk
  • Linux

IP-Integra VoIP Application (iOS, Android) - OEM

IP-INTEGRA VoIP Application is a SIP softphone application for VOIP calls over WiFi/3G/4G. It offers a simple user interface and superb audio/video quality over IP network.
IP-Integra VoIP Application is design for optimal performance with IP-Integra SIP server. Compatible with all SIP phones and SIP intercoms from FREUND.
  • Audio/Video call
  • Dial pad
  • Push service
  • Supports g711 (ulaw, alaw), g722, g729
  • Supports H264
  • Supports sending of DTMF
  • Built-in echo cancellation
  • Developed in Native React

Project TM

Project: Developed WiFi IoT Module based on Texas Instruments CC3100 SimpleLink™ Wi-Fi® Network Processor, Internet-of-Things Solution for MCU Applications.

Hardware: Implemented complete HW solution with power management, RTC, onboard F-antena and ATMEL low power 8 bit MCU.

Software: Driver and API development
Number of layers: 4

Test & Production: Developed Test & Production board

Sample & Demo control through Windows, iOS & Android APP

Documentation: Datasheet, User Manual, Production data, Test documents, API

Project TMD

Hardware: Developed Test & Production board for WiFi module

Number of layers: 6

Software: Sample code developed for multi-device interconnection in

Project TMP

Hadrware: Developed Test & Production board for WiFi module

Number of layers: 4

Software: Windows based Production Test & Programming Software developed

Documentation: Production Test Specification