What TE-SYSTEMS does

TE-SYSTEMS is a privately held German software company, founded in 1990 and headquartered in Wolfsburg, with a US sales subsidiary in Stoneham, Massachusetts. The firm develops and sells e-communications infrastructure software to enterprise customers, organized around two proprietary products: anynode, a fully software-based Session Border Controller (SBC) that connects SIP trunks, PBX systems, SIP phones, and leading cloud Unified Communications platforms (Microsoft Teams, Zoom Phone, Cisco Webex Calling), and XCAPI, a VoIP middleware layer that enables legacy CAPI 2.0-based applications such as unified messaging, ACD, IVR, and fax to operate over SIP without ISDN hardware.

Technically, anynode performs routing, number manipulation, security, and interoperability functions between heterogeneous SIP environments and runs on both Windows and Linux with on-premises, cloud, or hybrid deployment options. XCAPI addresses the niche requirement of migrating existing CAPI 2.0 applications to VoIP, eliminating the need for ISDN cards or modems. Together the two products target enterprises undergoing voice infrastructure modernization, particularly those with installed legacy communications software or those integrating cloud UC services with existing SIP/PBX estates.

The business model is direct enterprise software sales from two geographies (Germany and the United States) with no public pricing or revenue disclosures, no disclosed funding, and no named customer logos. The firm is privately held under TE-SYSTEMS GmbH (Germany) and TE-SYSTEMS INC. (USA), with no evidence of venture capital, private equity, or public-market participation.

Name

TE-SYSTEMS

Legal name

TE-SYSTEMS GmbH

Website

https://te-systems.de

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

11–50 employees

Short description

TE-SYSTEMS is a privately held German software vendor, founded in 1990, that sells anynode (a software Session Border Controller) and XCAPI (a CAPI 2.0-to-VoIP bridge) to enterprises integrating SIP/PBX infrastructure with Microsoft Teams, Zoom Phone, and Cisco Webex Calling.

Ownership category

akta.pro rank

Product category

Enterprise Communications Software

NAICS

Wired and Wireless Telecommunications (except Satellite) (5171), Telecommunications (517)

SIC

Services-Telephone Interconnect Systems (7385), Communications Services, Nec (4899)

akta.pro primary industry

VoIP Access & ITSP Services (HDAIAHAD)

akta.pro secondary industry

Numbering, DID, Porting & Carrier-of-Record Services (HDAIAHAK)

Keywords

• Session Border Controller
• VoIP middleware
• Unified Communications
• IP telephony software
• CAPI VoIP interface

Headquarters

HQ city

Wolfsburg

HQ country

Germany

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Operations, Marketing or Sales

Distribution channels1 record

Marketing channels3 records

Core offering

TE-SYSTEMS develops and sells software-based communications products for enterprise and service provider customers: anynode®, a Session Border Controller (SBC) that interconnects SIP trunks and unified communications platforms, and XCAPI, a VoIP middleware that enables legacy CAPI 2.0 (ISDN) applications to make VoIP calls. Both products are cross-platform (Windows/Linux) software offerings supporting interoperability with Microsoft Teams, Zoom Phone, Cisco Webex Calling, and RingCentral.

Product overview

TE-SYSTEMS offers a dual-product portfolio centered on e-communications infrastructure: anynode® is the company's flagship software-based Session Border Controller (SBC) that serves as the core interoperability platform connecting traditional telephony (SIP trunks, PBX systems, SIP phones) with modern cloud-based unified communications services including Microsoft Teams, Zoom Phone, and Cisco Webex Calling. XCAPI complements anynode by providing VoIP middleware that enables legacy CAPI 2.0-based applications to migrate to SIP and VoIP environments without hardware dependencies. Both products work together to facilitate enterprise voice infrastructure modernization across Windows and Linux environments with flexible on-premises, cloud, or hybrid deployment options.

Differentiator

Problem solved

Functional benefit

Brands

• anynode: anynode is the fully software-based Session Border Controller from TE-SYSTEMS. The solution connects SIP trunks, PBX systems, SIP phones, and leading Unified Communications platforms like Microsoft Teams, Zoom Phone, and Cisco Webex Calling flexibly and securely.
• XCAPI

Products and services

• anynode® anynode® is a software-based Session Border Controller (SBC) that connects SIP-based communications between disparate unified communications platforms, service providers, and SIP trunks. It supports interoperability with Microsoft Teams, Zoom Phone, Cisco Webex Calling, and RingCentral, and runs cross-platform on Windows and Linux. It is targeted at enterprises, service providers, and carriers requiring SIP interoperability, security, and UC migration.
• XCAPI XCAPI is a VoIP middleware product that enables legacy CAPI 2.0 (ISDN) applications to make VoIP calls, providing a migration path from traditional ISDN-based communications to SIP/VoIP infrastructures. It is targeted at enterprises and developers maintaining legacy CAPI-compatible applications that need to operate over modern VoIP networks.

Segments2 records

Ideal customer profiles1 record

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration3 records

Feature3 records

Partnerships

Three partnerships are on record, tiered core.

• Microsoft TeamscoreTechnology or Integrationanynode SBC solution provides interoperability and flexible connection with Microsoft Teams as part of its Unified Communications platform integration capabilities. The product enables routing and security functions for Teams-based communications infrastructure.
• Zoom PhonecoreTechnology or Integrationanynode SBC integrates with Zoom Phone as one of the leading Unified Communications platforms supported by the solution. Enables secure and flexible interconnection for Zoom Phone deployments.
• Cisco Webex CallingcoreTechnology or Integrationanynode SBC supports Cisco Webex Calling as one of the primary Unified Communications platforms. The solution handles routing, security, and interoperability for Webex Calling environments.

Recent moves6 records

Expansion highlights4 records

Direct peers

• AudioCodes: AudioCodes provides Mediant SBC appliances and virtual SBC software certified for Microsoft Teams, Zoom Phone, and Cisco Webex Calling, serving the same enterprise SIP-to-UCaaS interconnection use cases as anynode.
• Ingate Systems: Ingate Systems develops the Ingate SIParator and Firewall products, software-based enterprise SBCs focused on SIP trunk connectivity and UC integration with Microsoft Teams and Cisco — closely comparable to anynode in feature scope and SMB/mid-market focus.
• Patton Electronics: Patton offers SmartNode VoIP gateways and the CopperLink/CxS SBC solutions targeting enterprise SIP trunking and legacy telephony migration — a comparable niche SBC and VoIP gateway competitor to TE-SYSTEMS.
• Ribbon Communications: Ribbon Communications is a direct SBC competitor offering the SBC 5400/7000/SWe edge and Session Border Controller software for SIP trunking, UCaaS interconnection with Microsoft Teams/Zoom/Cisco, and carrier-grade interoperability — directly overlapping anynode's core product category.
• Sangoma Technologies: Sangoma offers the Vega SBC family and software SBCs for SIP trunk connectivity and UCaaS interoperability, competing head-on with anynode in the SMB and mid-market enterprise SBC segment.
• Oracle (Acme Packet): Oracle's Acme Packet SBC portfolio is the leading carrier-grade SBC product family, widely deployed for SIP trunking, enterprise UC connectivity, and ITSP interconnects — directly competing with anynode's enterprise SBC positioning at the larger end of the market.

Emerging players

• PortaOne: PortaOne provides PortaSIP, PortaBilling, and PortaSwitch — VoIP/UC platforms for service providers and SMBs with SIP interworking and SBC-adjacent functionality. Comparable to TE-SYSTEMS as a niche software vendor in VoIP/UC interoperability, though more service-provider-oriented.
• 3CX: 3CX is a software-based PBX and UC platform with native SIP trunk interworking and SBC-like gateway functionality. It competes in adjacent software-delivered communications space with TE-SYSTEMS, particularly for SMB and mid-market customers seeking software-only telephony solutions.

Broad incumbents

• Avaya: Avaya is a broad incumbent in enterprise communications, offering its own Session Border Controller products (e.g., Avaya SBC) alongside PBX, contact center, and UC platforms. It overlaps with anynode in SBC functionality but operates at much larger scale and as part of a wider communications portfolio.
• Cisco: Cisco offers the Unified Border Element (UBE) SBC as part of its collaboration portfolio, alongside Webex Calling, Cisco UCM, and broad networking infrastructure. It overlaps with anynode's SBC interconnect role but as one capability within a much larger enterprise vendor stack.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights5 records

Customer concentration

• LinkedInlinkedin.com/company/te-systems-gmbh

Revenue estimate

Valuation estimate

Number of profiles

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about TE-SYSTEMS