Ing. Jaison Mathew

• Created technical solution designs after performing IT infrastructure assessments, developed work products like technical solution design, network diagrams, operational models, and deployment models for IT infrastructure. • Installing, configuring, administrating, and maintaining VOIP systems using Cisco CUCM, CME, Avaya, and Asterisk PBX. • Created comprehensive documentation for VoIP configurations, maintenance procedures, and troubleshooting guides to support internal teams and client operations.

• Managed Cisco UC products (CUCM, CUC, Jabber) for consistent performance. • Resolved Cisco IPT issues, including phone registration, call routing, and audio problems using Wireshark. • Deployed Alcatel OMNI PCX systems and integrated Alcatel phones within Cisco infrastructure. • Translated client needs into technical specifications. • Used tools like Manage Engine for remote monitoring. • Trained users on UC technologies. • Configured Cisco and Alcatel phones.

• Designed, implemented, and configured Cisco UC products • Configuration of IOS voice gateways running SIP, H323, MGCP protocol • Maintained a stable operational infrastructure using monitoring tools such as Syslog, RTMT • Created multiple technical documentations, reference guides for technicians and end users. • Worked on MACD related tasks and incidents • Resolved IP Phone registration issues, one-way audio issues • Configuration of Extension Mobility and SN • New site implementations

• Providing technical support on the installation, configuration, upgrades, maintenance, cabling and connectivity of our own premises. • Updating IP Phone firmware. • Troubleshooting third-party SIP phones like IP 6000, IP 7000, system logging issues, IP phone registration issues • Report on activity to upper management. • Perform MACD requests as per users.