We offer comprehensive Annual Maintenance Contracts (AMC) for Siemens and Unify HiPath EPABX systems, including legacy models such as HiPath 3800, HiPath 4000, and other Unify communication platforms. Our AMC solutions are designed to ensure seamless system performance, enhanced reliability, and uninterrupted communication for both government and private sector organizations. Our team of certified and experienced engineers efficiently manages your telecommunication infrastructure, ensuring: Minimum downtime and maximum system availability, smooth operations without technical complications. Regular preventive maintenance and health checks prompt on-site and remote support. We provide chargeable remote support for all organizations; however, for customers covered under our AMC, we offer unlimited remote support for all software-related issues at no additional cost. With our AMC services, you can rely on consistent performance, timely issue resolution, and complete peace of mind for your communication systems.


At Hexa Communications, we offer comprehensive and reliable repair solutions through our dedicated Mumbai-based Technical Support & Repair Centre. Our facility is staffed with highly trained technicians and Unify-certified engineers who specializes in diagnosing and restoring a wide range of communication equipment. We provide expert repair services for : IP Phones – Complete fault diagnosis, board-level repairs, firmware updates, and component replacements. Digital Phones – Keypad issues, display faults, port problems, audio failures, and internal circuitry repair. EPABX System Modules – Slot cards, controller boards, power units, PRI cards, TDM modules, and other OEM modules. Legacy Siemens Systems – Professional restoration, part refurbishment, and performance optimization. Our repair workflow ensures: Detailed testing and inspection using advanced diagnostic tools OEM-grade spare parts replacement for long-lasting performance. Quick turnaround time with transparent reporting, warranty on repaired items, ensuring trust and reliability.