Job Description

Responsibilities:
- Design and develop scalable solutions to deliver reliable SIP services to a multitude of distributed endpoints including on premise Call Processing Servers, SIP proxy servers, handsets, and soft-phones.
- Enhance and maintain existing code and participate in design reviews and code reviews with other team members.
- Create custom provisioning tools to automate configuration of voice stack
- Participate in projects intended to improve infrastructure, including the integration of new systems and software
- Draft technical documentation
- Facilitate knowledge transfer to deployment and support teams
- Work with the Production Services and Support leaders towards keeping Service Availability above target.
- Other duties as assigned by management

Tools and Technologies used include:
- SIP protocol and its use in VOIP Services
- SIP proxies and/or SIP PBXs preferably open source products like Kamailio (OpenSER), FreeSWITCH, Asterisk, and FreePBX etc.
- Networking with Switches, Routers, Firewalls, IPSs and Security Appliances




- Programming experience with PHP / Perl / JAVA / C and custom modules with open source products
- Relational Databases ( MySQL), JDBC / ODBC
- Linux server operations, deployment and performance monitoring and shell scripting Qualifications

Qualifications:

*Education / Training:*

University degree in Computer Engineering, Computer Science or equivalent.

*Mandatory Skills & Experience:*
- Experience coding and debugging Asterisk source code.
- Highly proficient in PHP, Perl and MySQL
- Knowledge of software design best practices.
- Proficient using source code management systems.
- Proficient understanding of SIP, MGCP, H323.
- Strong understanding of a hosted, highly available setting.
- Proficient with configuring Asterisk, including writing dialplan and custom application code.
- Knowledge of common configuration methods of endpoints (TR-069, HTTPS, TFTP).
- Working knowledge of T1/E1/J1 interfaces, PR

📌 VOIP Developer (Gurugram)
🏢 Guest Tek
📍 Gurugram