Phone

Name

Phone

Legal name

phone GmbH

Website

https://phone-gmbh.de

Company type

Private

Founded year

1988

Operating status

Operating

Headcount range

11–50 employees

Short description

phone GmbH is an Augsburg, Germany-based IT system house, founded in 1988, that delivers integrated voice (IP/SIP, Cloud PBX, UC), data (VPN, WLAN, VDSL), and security (fire alarm, video surveillance, intrusion detection) technology to mid-sized businesses, public sector organizations, and hotels in Bavaria.

Ownership category

akta.pro rank

Product category

Unified Communications & Security Technology Services

NAICS

All Other Telecommunications (517810)

SIC

Services-Telephone Interconnect Systems (7385)

akta.pro primary industry

Cloud PBX & Hosted Telephony (HDAIAHAB)

akta.pro secondary industries

Contact Center (CCaaS) & Customer Engagement Voice (HDAIAHAF), VoIP/ATA & Integrated Voice Gateways (CPE) (HDAFAIAJ)

Keywords

• Unified communications solutions
• Cloud telephony services
• VoIP SIP trunking
• Fire alarm systems
• Video surveillance systems

Headquarters

HQ city

Augsburg

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Product Sales: Sale of hardware including IP telephone systems, switches, access points, video surveillance equipment, fire alarm systems, and end-user devices.
2. Cloud/Telephony Services: Recurring subscription revenue from phone Cloud PBX, SIP Trunk solutions, and mobile SIM services, typically priced per workstation/month.
3. Professional Services: Consulting, project planning, installation, configuration, user training, and ongoing maintenance/support services for communications and security systems.
4. Service Contracts: Ongoing maintenance and support services provided via individual orders or service contracts, available 24/7 upon request.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

phone GmbH is a German system house that sells, installs, and supports integrated voice communications, data communications, and security technology for mid-sized businesses and public sector organizations. Its portfolio spans VoIP/SIP trunking, cloud-based PBX, IP telephone systems, mobile integration, unified communications, WLAN and VPN networking, fire alarm systems, video surveillance, and intrusion detection, delivered with consulting, installation, training, and 24/7 managed service support.

Product overview

phone GmbH is a system house offering integrated communications and security technology solutions. Their product portfolio is organized into four main areas: Sprachkommunikation (Voice Communications) including VoIP/SIP trunk connections via SIP by phone, IP telephone systems, cloud-based phone Cloud PBX, mobile solutions (phone Mobil SIM), unified communication (phone UC), conference systems, and hotel solutions; Datenkommunikation (Data Communications) covering Homeoffice 2.0, VDSL internet access, site networking, VPN solutions, WLAN solutions, IT infrastructure, and point-to-point radio; Sicherheitstechnik (Security Technology) including fire alarm systems, video surveillance, and intrusion detection; and alert & service solutions including alarm management, crisis coordination, and technical monitoring. Key branded products include SIP by phone (SIP trunk solution), phone Cloud PBX (cloud telephony), phone Mobil SIM (mobile integration), and phone UC (unified communication with Standard and Advanced tiers). Contact Connect enables CRM/ERP integration. The company serves small-to-medium enterprises and public sector clients up to approximately 500 employees in the Augsburg region.

Differentiator

Problem solved

Functional benefit

Brands

• phone Cloud PBX: Cloud-based telephone system solution offering hosted voice services with fixed-cost-per-seat pricing, unified communications features, and 24/7 reliability.
• phone Mobil SIM
• phone UC
• SIP by phone
• phone alert & service
• phone WLAN
• phone VDSL
• Homeoffice 2.0
• Coligo Desktop
• Coligo Mobil

Products and services

• phone Cloud PBX Cloud-based hosted telephone system providing VoIP telephony for businesses with features including team functions, time- and location-based routing, IVR, ACD, and plug-and-play device provisioning, billed at a fixed monthly cost per workstation.
• SIP by phone IP-SIP trunk solution connecting existing telephone systems to phone's communication platform, enabling cost savings by eliminating analog and ISDN lines while retaining existing phone numbers and features.
• phone Mobil SIM Mobile SIM solution integrating fixed-line and mobile telephony, allowing employees to be reachable on their mobile device under their business landline number with intelligent routing and multi-number capability on a single SIM card.
• phone UC (Unified Communication)
• IP Telephone Systems IP-based telephone systems offered in partnership with Mitel and Panasonic, covering hybrid systems through advanced IP communication servers and software solutions for businesses.
• Fire Alarm Systems (Brandmeldeanlagen) Fire detection and alarm systems planned and implemented by phone GmbH for early fire detection to minimize damage in business and public-sector premises.
• Video Surveillance (Videoüberwachung) Video surveillance solutions planned and installed by phone GmbH according to specific customer requirements for business and public-sector sites.
• Intrusion Alarm Systems (Einbruchmeldeanlage) Intrusion detection systems with components including sensors, alarm generators, and central control units, installed by phone GmbH to protect business premises.
• phone alert & service Alert and service solutions including alarm management, crisis coordination, and technical monitoring with interface connections to machines and subsystems, designed for simplicity in emergency situations.
• Hotel Solutions (Hotel-Lösungen) Complete hotel telephony solution including room telephones, maid service function, integrated billing system, and straightforward guest communication tailored to the hospitality industry.
• Homeoffice 2.0 Plug-and-play home office solution with VPN connectivity providing secure, stable, and fast access to company resources for remote and distributed workforces.
• Conference Systems (Konferenzsysteme) Audio and video conference solutions enabling remote meetings, presentations, and collaboration for business customers.
• phone VDSL VDSL internet access solutions with optional LTE fallback for reliable business connectivity.
• Site Networking (Standortvernetzung) Solutions for securely connecting multiple business locations via VPN tunnels with redundant connections.
• VPN Solutions (VPN-Lösungen) VPN solutions for connecting branch offices, individual workstations, and mobile employees securely with headquarters.
• WLAN Solutions (WLAN-Lösungen) WLAN solutions including guest WiFi, outdoor WLAN, and integration with existing telephone systems for business customers.
• IT Infrastructure (IT-Infrastruktur) IT infrastructure solutions including managed and unmanaged switches, PoE switches, UPS systems, and server cabinets for business customers.
• Point-to-Point Radio (Richtfunk) Point-to-point microwave radio solutions for connecting business locations that lack terrestrial fiber or copper infrastructure.
• Media Gateway Media Gateway solution enabling legacy ISDN telephone systems to become SIP-capable for modern IP telephony without full replacement.
• Professional Services & Service Contracts Consulting, project planning, installation, configuration, user training, and ongoing 24/7 maintenance and support services delivered via individual orders or recurring service contracts for communications and security systems.

Quantifiable outcome

• Cost savings through SIP trunk migration eliminating ISDN line fees
• +2 more outcomes

Named customers4 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Two partnerships are on record, tiered core.

• MitelcoreTechnology or IntegrationTechnology partnership for IP telephone systems. phone GmbH is a Mitel partner offering MiVoice Office 400 and Mitel One unified communications solutions. The partnership provides business communications platforms with voice, video, text, and web integration.
• PanasoniccoreTechnology or IntegrationTechnology partnership for IP telephone systems. Although Panasonic has discontinued its distribution, phone GmbH continues to provide maintenance, support, and replacement parts for existing Panasonic systems.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Broad incumbents

• RingCentral: Global cloud communications leader offering UCaaS, CCaaS, and CPaaS across multiple geographies, including expanding presence in Germany. Larger, cloud-native incumbent threatening regional players like phone GmbH with self-service onboarding and broader feature sets.
• Avaya: Global enterprise UC and contact-center vendor with a partner/reseller channel and cloud offerings (Avaya OneCloud). Comparable in the IP-PBX and UC functionality phone GmbH delivers to its customers, though at much larger scale and broader enterprise focus.
• Deutsche Telekom: Incumbent German carrier and ICT provider offering IP voice, UC, and managed communications services to enterprise and SME. Phone GmbH is a listed partner of Deutsche Telekom for carrier services, while also competing with it for end-customer telephony budgets.
• 8x8: Global cloud UCaaS/CCaaS provider with European expansion targeting mid-market and enterprise. Comparable in product functionality (cloud PBX, UC, contact center) and increasingly overlapping with phone GmbH's Mittelstand/enterprise accounts in Germany.

Others

• Mitel: Core technology partner of phone GmbH for MiVoice Office 400 and Mitel One. Mitel also sells directly into German enterprises via its own channel, making it both enabler and indirect competitor for phone GmbH's customer base.

Direct peers

• 3CX: Global software-based PBX and UC platform sold through a partner/reseller channel. Same delivery model — system houses like phone GmbH — and same target customers, representing direct competitive pressure on phone GmbH's Mitel-based stack.
• STARFACE GmbH: German VoIP/UC system house distributing a proprietary IP-PBX and cloud PBX to Mittelstand customers via partner channels. Highly comparable business model — regional German PBX/UC specialist serving SMBs with bundled telephony and partner-led sales.
• Swyx (Enreach): European UCaaS provider (Swyx brand, part of Enreach) offering cloud PBX and unified communications to SMBs and mid-market, with strong presence in Germany. Competes head-on with phone GmbH in Mittelstand UC, with broader geographic reach.
• NFON AG: Munich-headquartered cloud telephony provider targeting European SMBs and Mittelstand with Cloud PBX, UC, and contact-center solutions. Directly comparable to phone GmbH's Cloud PBX offering and Mittelstand customer profile, though at significantly larger scale.

Regional players

• Plusnet (QSC AG): German business telecom provider (formerly QSC, now under Plusnet/Telekom) offering IP voice, SIP trunk, and UC services to German SMEs. Comparable product set and Mittelstand focus; serves a national footprint where phone GmbH is regional.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/phonegmbh
• LinkedInlinkedin.com/company/phone-gmbh

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

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 Phone