AntonioTejeda

Technical Support Specialist L3

Wildix

Jan 2025 - Mar 2026 (1 year 3 months)

• Provide L3 support for VoIP platforms, troubleshooting SIP signaling, RTP media, registration failures, and call routing. • Analyze SIP traces, packet captures, and logs to identify root causes of one-way audio, NAT, codec, and call quality issues • Support partners and clients with PBX configuration, integrations, and complex production incidents.

B

Ingeniero especialista Voip Asterisk

Blink Voice

Jan 2021 - Oct 2023 (2 years 10 months)

• Delivered L3 support and engineering services for Asterisk-based systems in business environments • Designed and deployed custom PBX solutions, including dialplan development, feature customization, and integrations • Troubleshot SIP, RTP, NAT, and codec negotiation issues across multi-customer environments.

I

Independent Consultor (Freelancer)

Jun 2020 - Jan 2021 (8 months)

• Implemented and maintained Asterisk and 3CX platforms for SMB clients • Developed custom PHP web interfaces for PBX management and telephony integrations

A

3CX PBX Support

Alhambra

Jun 2019 - Jun 2020 (1 year 1 month)

• Deployed and supported 3CX systems, configured SIP trunks and call flows, and trained clients on telephony features.

S

Telecomunitations Specialist, Asterisk VoIP

Sampol

Jan 2017 - Jun 2019 (2 years 6 months)

• Led large-scale hospitality deployments, managing Asterisk telephony infrastructure for 1000 to 2500 extensions. Implemented telephony services integrated with GPON enviroments • Telecommunications Team Lead

S

Voip Specialist

Servintek

Jan 2014 - Jan 2017 (3 years 1 month)

• Designed and deployed VoIP and network infrastructure projects based on Asterisk technology • Telecommunications Manager

Support Engineer

Amper

Jan 2013 - Jan 2014 (1 year 1 month)

• Expert Support Engineer in the "C4" safe city project in Mexico City

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