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Are you a Microsoft Teams Telephony Expert ready to shape the future of the digital workplace? At HSO, we’re looking for an experienced External Contractor – Microsoft Teams Telephony Expert with strong expertise in Dynamics 365 Contact Center integration. We are implementing Microsoft Teams Telephony integrated with Microsoft Dynamics 365 Contact Center to deliver a unified, compliant, and analytics-driven voice solution across enterprise users and the Contact Center. The contractor will architect, implement, and operationalize the end-to-end solution, including PSTN connectivity, SBC configuration, routing, policies, analytics, and deep integration with Dynamics 365 Contact Center (voice, routing, and agent experience).
Job Responsibility:
Architecture & Design: Design end‑to‑end Teams Phone architecture
Define SBC topology
Architect call flows
Define integration patterns with Dynamics 365 Contact Center
Produce detailed HLD/LLD, network requirements
Implementation & Configuration: Configure Teams Phone policies
Stakeholder & Vendor Management: Collaborate with Network, Security, Contact Center Operations, and Dynamics teams
Coordinate with carriers and SBC vendors
Requirements:
10+ years in enterprise voice/UC
5+ years with Microsoft Teams Phone (Direct Routing, Operator Connect, Calling Plans)
Proven delivery of Teams Telephony integrated with contact center platforms
experience with Dynamics 365 Contact Center (preferred) or equivalent
Deep expertise with SBCs (AudioCodes/Ribbon), SIP, TLS/SRTP, certificates, media paths, NAT, SBC routing, and HA
Proficiency in Teams Admin (voice routing policies, dial plans, resource accounts), PowerShell (Teams module), Microsoft Graph / Cloud Communications API
Strong knowledge of CQD, Call Analytics, end‑to‑end voice quality troubleshooting
Network fundamentals: QoS/DSCP, VLAN, WAN optimization, firewall/NAT rules, bandwidth dimensioning
Security and compliance: call recording, retention, auditing, role-based access control
Excellent documentation, stakeholder communication, and vendor/carrier coordination
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