To collaborate in a team dedicated to provide Telephony support to call centre operations which support activities are carried out remotely from the Service support centres incl. Management of Avaya Automatic Call Distribution.- Ensuring proper set up and configuration of vectors, VDNs, skills, and other ACD related objects, reporting and accounting systems- Implement and support configuration within Oracle Session Border Controllers globally including new service provider and client connectivity, understanding of routing and security and knowledge of Header Manipulation rules where applicable- Ensure compliance of configuration standards within the Telecoms estate both Avaya and Oracle - suggesting improvements where required and ensuring Operations team comply with housekeeping standards- - Monitor daily performance proactively alerting internally and external vendors in event of issues, to minimize outages- Represent Telephony on troubleshooting and solution calls with clients and vendors- Coordinate warranty and non-warranty repair work- Hardware installation, configuration and maintenance- Contribute in development of team mates to ensure customer service targets and levels regarding telephony support are met.- In collaboration with CCS and Core Infrastructure teams - perform 3rd line support, for end to end solutions including including technology partners and other 3rd party solution providers- Tracking, escalation follow-up, and reporting for timely resolution of client affecting incidents, problems and change requests according to the internal service delivery and support policies & procedures and agreed service levels,