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Wayfair, a Korber HighJump WMS customer just evaluated Manhattan WMS

Citigroup, a VestmarkONE customer evaluated BlackRock Aladdin Wealth

Michelin, an e2open customer evaluated Oracle Transportation Management

Swedbank, a Temenos T24 customer evaluated Oracle Flexcube

Moog, an UKG AutoTime customer evaluated Workday Time and Attendance

Westpac NZ, an Infosys Finacle customer evaluated nCino Bank OS

Cantor Fitzgerald, a Kyriba Treasury customer evaluated GTreasury

List of Sipcall SIP Trunk Customers

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Logo Customer Industry Empl. Revenue Country Vendor Application Category When SI Insight
FFHS Education 2200 $330M Switzerland Sipcall Sipcall SIP Trunk PBX, VoiP and Phone Systems 2019 Experts Inside
In 2019 FFHS implemented Sipcall SIP Trunk to enable a Microsoft Teams centric telephony architecture. The Sipcall SIP Trunk deployment addressed FFHS PBX, VoiP and Phone Systems requirements for PSTN connectivity and SIP services within the institution’s IT and telephony operations in Switzerland. The implementation configured Sipcall SIP Trunk for SIP trunking and PSTN termination, integrating SIP session control, call routing, number provisioning and dial plan management to support Microsoft Teams as the primary user endpoint. The deployment used standard SIP trunk features to bridge Teams calling to public telephony networks and to centralize outbound and inbound call routing for campus telephony. Experts Inside served as the system integrator and supported technical integration work, with the project kicking off in November 2019 as a pilot and completing rollout by May 2020. The program focused on operational consolidation of telephony under Microsoft Teams, and the organization reported improved flexibility and reduced costs in IT and telephony operations.
Kieser Training Leisure and Hospitality 430 $108M Switzerland Sipcall Sipcall SIP Trunk PBX, VoiP and Phone Systems 2019 n/a
In 2019, Kieser Training implemented Sipcall SIP Trunk within its PBX, VoiP and Phone Systems environment. The deployment centered on sipcall virtual PBX cloud telephony to centralize management of phone users and services across approximately 160 studio locations in Switzerland. The Sipcall SIP Trunk implementation standardized core PBX capabilities, including centralized user provisioning, call routing and numbering administration, unified voicemail and basic hunt group functionality consistent with PBX, VoiP and Phone Systems category norms. Configuration emphasized a multi-site virtual PBX architecture that abstracts telephony control to a cloud control plane while delivering SIP trunk transport for PSTN breakout and flatrate VoIP migration benefits. Operational coverage included studio front-desk teams and central IT and telephony administration, with the system provisioned to support studio-level endpoints from a central management console. Governance shifted to consolidated provisioning workflows and centralized administration to reduce local configuration variance and simplify ongoing telephony operations across the Swiss studio network. The case documentation identifies sipcall virtual PBX as the core solution and describes outcomes that include improved scalability, centralized administration, and significant IT and telephony cost savings in Switzerland following the migration to sipcall virtual PBX and Sipcall SIP Trunk.
Maison de Boer Retail 440 $136M Switzerland Sipcall Sipcall SIP Trunk PBX, VoiP and Phone Systems 2017 n/a
In 2017 Maison de Boer implemented Sipcall SIP Trunk within its PBX, VoiP and Phone Systems estate to support corporate telephony and IT operations in Switzerland. The Sipcall SIP Trunk was provisioned alongside a 3CX software PBX, creating a software-based telephony architecture that centralized call control and SIP trunk termination. The deployment emphasized SIP trunking and central PBX management, using 3CX capabilities such as call routing, extension management, and trunk failover configuration. Configuration work focused on provisioning SIP trunks, provisioning SIP registration and dial plan configuration in the 3CX software to standardize voice flows and simplify capacity planning. Integrations were explicit and limited to direct connectivity between Sipcall SIP Trunk and the 3CX software PBX, with local IT and telephony teams in Switzerland operating the environment. The architecture shifted voice termination to the SIP trunk model while retaining on-site 3CX instances for call control and administration. Governance and rollout prioritized rapid implementation and simplified telephony operations, and the sipcall case study documents faster implementation and rapid payback from flat-rate offerings. The implementation delivered lower telephony costs and reduced on-prem maintenance for Maison de Boer, aligning Maison de Boer Sipcall SIP Trunk PBX, VoiP and Phone Systems with corporate telephony and IT operational functions.
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Buyer Intent: Companies Evaluating Sipcall SIP Trunk

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FAQ - APPS RUN THE WORLD Sipcall SIP Trunk Coverage

Sipcall SIP Trunk is a PBX, VoiP and Phone Systems solution from Sipcall.

Companies worldwide use Sipcall SIP Trunk, from small firms to large enterprises across 21+ industries.

Organizations such as FFHS, Maison de Boer and Kieser Training are recorded users of Sipcall SIP Trunk for PBX, VoiP and Phone Systems.

Companies using Sipcall SIP Trunk are most concentrated in Education, Retail and Leisure and Hospitality, with adoption spanning over 21 industries.

Companies using Sipcall SIP Trunk are most concentrated in Switzerland, with adoption tracked across 195 countries worldwide. This global distribution highlights the popularity of Sipcall SIP Trunk across Americas, EMEA, and APAC.

Companies using Sipcall SIP Trunk range from small businesses with 0-100 employees - 0%, to mid-sized firms with 101-1,000 employees - 66.67%, large organizations with 1,001-10,000 employees - 33.33%, and global enterprises with 10,000+ employees - 0%.

Customers of Sipcall SIP Trunk include firms across all revenue levels — from $0-100M, to $101M-$1B, $1B-$10B, and $10B+ global corporations.

Contact APPS RUN THE WORLD to access the full verified Sipcall SIP Trunk customer database with detailed Firmographics such as industry, geography, revenue, and employee breakdowns as well as key decision makers in charge of PBX, VoiP and Phone Systems.