Voice Consultant

Overview

Voice Consultant role focused on Microsoft Teams Phone telephony, centred on Direct Routing and SBC/SIP trunk integration.

What you'll do

• Design Teams Phone (Phone System) architecture, with deep knowledge of Direct Routing and how it differs from Operator Connect and Calling Plans.
• Configure SBCs hands-on, including trunks, IP profiles, coders, routing rules and HA/failover.
• Set up Direct Routing plumbing: PSTN gateways, voice routes, PSTN usages and online voice-routing policies.
• Build and validate tenant dial plans and regex-based number normalization rules.
• Coordinate with telco/carriers on SIP trunks, DID ranges and number porting.
• Implement emergency calling, including E911 / dynamic emergency calling and Location Information Service.
• Troubleshoot voice issues using SBC logs, syslog/Wireshark traces, and Teams call analytics / Call Quality Dashboard.
• Configure voice apps including resource accounts, auto attendants, call queues and caller-ID policies.
• Manage voice networking: TLS/SRTP certificates, firewall/NAT, QoS and media ports.

What you'll need

• Deep understanding of Teams Phone Direct Routing, including its differences from Operator Connect and Calling Plans.
• Hands-on SBC configuration experience with AudioCodes (Mediant) and/or Ribbon/Sonus (SBC Core / SWe).
• SIP and SIP trunking knowledge: SIP signaling, SDP, codecs (G.711/OPUS), transcoding and media bypass; ability to read a SIP ladder.

Nice to have

• MS-720 (Teams Voice Engineer) certification.
• AudioCodes or Ribbon vendor certification.
• SBC redundancy and HA design experience.
• Contact-center or analog/SIP gateway integration experience.

Details

• Location: Bangalore, India.