Voice Consultant

  • Bangalore, India
  • Full-time
  • POSTED 18 DAYS AGO

About the job

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.