Role 1 — Teams Telephony / Voice Consultant Must-have (core): • Teams Phone (Phone System) architecture — deep on Direct Routing; knows how it differs from Operator Connect and Calling Plans, and why Direct Routing is the right fit here (customer + telco + SBC). • Hands-on SBC configuration — AudioCodes (Mediant) and/or Ribbon/Sonus (SBC Core / SWe): trunks, IP profiles, coders, routing rules, HA/failover. • SIP & SIP trunking — SIP signaling, SDP, codecs (G.711/OPUS), transcoding, media bypass; ability to read a SIP ladder. • Direct Routing plumbing — PSTN gateways, voice routes, PSTN usages, online voice-routing policies. • Dial plans & number normalization — tenant dial plans, regex normalization rules, effective dial plan validation. • Telco/carrier coordination — working the SIP trunk, DID ranges, and number porting with the telco provider. • Emergency calling — E911 / dynamic emergency calling, Location Information Service. • Voice troubleshooting — SBC logs, syslog/Wireshark traces, Teams call analytics / Call Quality Dashboard. • Voice apps — resource accounts, auto attendants, call queues, caller-ID policies. • Voice networking — TLS/SRTP certificates, firewall/NAT, QoS, media ports. Nice-to-have: MS-720 (Teams Voice Engineer) cert; AudioCodes/Ribbon vendor certification; SBC redundancy/HA design; contact-center or analog/SIP gateway integration experience. We’re so glad you’re here. Use this space to explore career opportunities, track your application, and take next steps with a global team that values people and progress. Astreya is a global IT managed services provider dedicated to creating technology solutions that are reliable and human-centered. We partner with the world’s most innovative organizations to optimize modern IT environments across the digital workplace, cloud, data, AI, and enterprise platforms. Our people are our strength. Across regions and roles, Astreyans bring deep expertise, curiosity, and a commitment to excellence. We believe great technology starts with great humans, which is why we invest in learning, collaboration, and career growth. At Astreya, transparency, accountability, and trust guide how we work with each other and our customers. We foster an inclusive culture where diverse perspectives are valued and everyone has the opportunity to make an impact. Join us to build solutions that matter and shape the future of IT together. Onwards and upwards!

Voice Consultant.

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