Asterisk and FreePBX Contact Center and Conferencing Specialist

Pune - India

Monthly Salary: Not Disclosed

Posted on: 14 hours ago

Vacancies: 1 Vacancy

Job Summary

Job Summary

We are seeking an experienced specialist who can design develop and maintain Asterisk/FreePBX telephony systems for contact center and conferencing environments while also building APIs for call routing call bridging conferencing control and integrations.

This role combines VoIP engineering contact center architecture conferencing and backend/API development.

Key Responsibilities / Duties

1. Asterisk / FreePBX Engineering (Contact Center and amp; Conferencing)

Architect deploy and manage Asterisk/FreePBX for high-volume contact center and conferencing use cases.

Configure:

IVRs ACD skill-based routing multi-level queue structures

Outbound dialer workflows (predictive preview progressive)

Call conferencing (multi-party conferences PIN management moderator controls dynamic conference rooms)

Whisper barge monitor recording quality monitoring

Optimize call flows for low latency and high concurrency.

2. API Development and amp; Call Automation

Design build and maintain REST APIs for:

Call bridging (agentcustomer multi-party warm transfers blind transfers)

Conference creation joining and controls (mute/unmute kick lock/unlock recording control)

Click-to-call and amp; CRM-triggered calls

Dynamic call routing and amp; IVR adjustments

Agent login/logout pause/unpause

Call event streaming (webhooks)

Conferencing analytics (participant count duration event logs)

Work with Asterisk interfaces such as:

ARI (Asterisk REST Interface)

AMI (Asterisk Manager Interface)

AGI (Asterisk Gateway Interface)

3. Integrations

Integrate telephony systems with:

CRM platforms (Salesforce Zoho Freshdesk Dynamics HubSpot)

Conferencing portals or custom meeting management apps

Ticketing systems chat systems workforce management tools

Reporting and analytics dashboards

Sync conference metadata call logs queue stats and recordings.

4. Monitoring Performance and amp; Troubleshooting

Ensure high availability low jitter low packet loss and optimal VoIP performance.

Troubleshoot SIP and RTP issues using:

sngrep

tcpdump

Wireshark

Asterisk CLI logs

Optimize codecs transcoding performance and server load.

Monitor real-time:

Queue performance

Conference performance

SLA metrics

MOS score and call quality indicators

5. Security and amp; Reliability

Implement security measures for voice and conferencing systems:

Fail2ban IP filtering SIP firewalling

Anti-fraud and intrusion prevention

Manage system upgrades patches backups and DR plans.

Deploy HA clusters for mission-critical contact center conferencing environments.

Required Skills and amp; Qualifications

35 years hands-on experience with Asterisk and amp; FreePBX (contact center conferencing).

Strong understanding of SIP RTP conferencing modules bridge applications.

Proven experience building APIs and backend services ( Python PHP Go etc.).

Hands-on experience with ARI AMI AGI and dialplan logic.

Strong Linux skills (CentOS Debian Ubuntu).

Experience configuring:

Contact center queues and routing

Conference bridges

Recordings monitoring tools

Experience with SIP trunking and carrier integrations.

Preferred / Good-to-Have Skills

Experience with large-scale conferencing platforms (Asterisk ConfBridge MeetMe or custom conferencing solutions).

Knowledge of OpenSIPS/Kamailio for scaling conferencing or call center environments.

Familiarity with WebRTC and browser-based conferencing.

Knowledge of predictive dialers like VICIdial/GoAutoDial.

Cloud deployment experience (AWS/GCP/Azure).

Familiarity with microservices and distributed architectures.

Soft Skills

Strong analytical and debugging mindset.

Ability to document systems flows and API specs clearly.

Good communication and collaboration skills.

Ability to work in fast-paced contact center or conferencing environments.

Job SummaryWe are seeking an experienced specialist who can design develop and maintain Asterisk/FreePBX telephony systems for contact center and conferencing environments while also building APIs for call routing call bridging conferencing control and integrations.This role combines VoIP engineerin...