Extensive knowledge of Cisco voice products and VOIP networking. Extensive knowledge/experience with Cisco TDM/ IP voice systems and components. Hands-on troubleshooting experience on Avaya/Cisco voice products. Experience with E1, T1, FXS, FXO, MGCP, SCCP, SIP, SRST, H323 Good communication skills
Required Candidate profile
Strong technical knowledge on CUCM features, Call flows, Call handlers, gateway analog and voice troubleshooting. Hands on experience in Upgrade, Migration of Unified products. Providing on call support to team for escalated issues. Voice over IP, Cisco & Avaya Telephony operations. Extensive knowledge/experience with Cisco TDM/ IP voice systems and components. Hands-on configuration and troubleshooting experience on CISCO CUCM, UCCX, UNITY, AVAYA CM, AVAYA Audix/Modular messaging. Deploy, configure and maintain a variety of voice technologies including: Cisco, Asterisk etc. Provide Tier 1, 2 and 3 operational support for deployed technologies such as PBXs, mobility servers, voicemail systems, toll bypass gateways and other network infrastructure. Knowledge and experience operating converged (voice/video/data) networks, including knowledge of CoS, QoS and related quality of service parameters over MPLS backbone, WAN and voice circuit experience in VoIP environment. Monitor, troubleshoot, and escalate production problems affecting the global network and systems infrastructure. Perform vendor interaction with internal and external support organizations. Participate on project teams to effectively communicate the operational requirements to ensure effective project/technology transition.
TT Global Networks, a subsidiary of NTT Communications, is a leading pioneer in the software-defined networking industry.
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