Voip Engineer

Sarv.com

2 years

0 Lacs

jaipur rajasthan india

Posted:1 day ago| Platform:

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Skills Required

voip sip firewall linux service tuning security crm recording routing logic lua analyze wireshark networking devops qos documentation ubuntu monitoring debugging ip tcp udp dhcp

Work Mode

On-site

Job Type

Full Time

Job Description

Deploy, configure, and manage VoIP infrastructure (Asterisk, FreePBX, Kamailio,
OpenSIPS, or similar).
Monitor and troubleshoot call quality issues, SIP signaling, RTP media streams, and
NAT/firewall behavior.
Manage Linux servers for VoIP applications – service tuning, logs, security, cron jobs.
Handle integrations with CRM, call recording, SIP gateways, SBCs, and media servers.
Write and optimize dialplans, IVRs, and call routing logic using Asterisk or Lua/JSON
for FreeSWITCH.
Analyze PCAPs and SIP traces using Wireshark, sngrep, Homer, or similar tools.
Work with networking and DevOps teams to ensure QoS, bandwidth, and latency
optimization.
Maintain documentation for configurations, deployments, and internal processes.

Required Skills & Experience

Minimum 2 years of VoIP experience in a production environment.
Strong knowledge of SIP, RTP, SRTP, SIP registration, and NAT traversal techniques.
Proficiency in Linux system administration (Ubuntu/RHEL) and bash scripting.
Practical experience with VoIP monitoring and debugging tools (e.g., sngrep, tcpdump,
Wireshark).
Understanding of IP networking (TCP/UDP, DNS, DHCP, VLANs, routing).
Ability to interpret SIP INVITE, 200 OK, BYE, REGISTER flows like poetry.

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