25+ Voice Over IP (VoIP) Jobs in India
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About the job
As a Senior SIP Engineer, you must take complete ownership of supporting all VoIP infrastructure, debugging issues related to specific servers or software, or remote clients such as SIP devices (both virtual such as soft-phone or WebRTC client, and physical such as a desk phone or an on-premise PBX), and providing fixes.
- Support customers during EST timezone during critical releases or emergency incidents 5+ yrs of supporting global VoIP services and/or applications on cloud-based servers.
- Expertise in SIP call flow analysis and debugging Expertise in setup and maintaining SIP-based monitoring, debugging, and alerting services
- Experience scripting call flow, dialplan, and custom routing with FreeSwitch using LUA and XML
- Experience in debugging Kamailio and Freeswitch-based applications is a must Good problem-solving and analytical skills Excellent written and verbal communication
- Experience working with open-source projects
- Exposure to SIP Carrier Integration
- Advanced Experience with cloud media infrastructure (load balancers, gateways, SBCs, STUN, TURN)
- Advanced Knowledge of all modern VoIP protocols/platforms including (SIP, RTP stack & SDP, RTCP, TCP, UDP, SIP, HTTPS, SSL/TLS)
Provide 24X7X365 NOC Support for Voice related issues
· SMSC, SMPP, HTTP, HTTPS, SIGTRAN, SS7 experience
· Knowledge and relevant experience on VPN and messaging nodes (SMSC, Bulk SMS, SMSR, SMS HUB)
· Manage day to day operations of SMPP SS7 SMS NOC Customer/Vendor/Route/Rate Configuration Management, Trace Capturing & Troubleshooting
· New clients interconnect and interconnection testing
· Monitoring of all alarms/alerts/Performance from system and System health checklist for various nodes
· Monitoring €“ Disk Space, log files, Dumps/logs purging, application up-time
· Capacity management and reporting in case of possible breach of capacity
· Answer customer emails/calls and provide timely & high level of service
· Use a variety of tools (Ethereal/Wireshark, ping, traceroute, browser, etc.) to quickly verify reported events Head to Head testing/configuration with clients
· Management reporting as per requirement Maintain a good understanding of all NOC processes and implement them appropriately
Skills
● Telecom industry experience will be an added advantage.
● Understanding of all selection methods and techniques
● Average communicator
● Well-organized
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- Prepare strategic and operational plans for the Information Communications Technology (ICT) initiatives required for Client and to ensure that all necessary ICT tools, processes and systems are in place to meet the requirements of Client
- Technically supervise and manage all ICT program activities including lead design, development and implementation, technical guidance etc.
- Lead the overall project design, the development of a training strategy for ICT training, coordinate with contractors and other project partners on implementing ICT-related project activities, and oversee content development and management
- Lead the team in appointment of and ensure construction progress.
- Review performance of all the ICT systems/initiatives and Monitor contractors and vendors responsible for multiple implementations including progress and performance reviews.
- Project and program management to ensure ICT related tasks are completed with high standards within established timeframes and budgets; Review and be cognizant of all regulatory and statutory requirements.
Python
Amazon Web Services (AWS)What will you do?
- Oversees testing, deployment & maintenance of the Voice infrastructure.
- Performing a variety of tasks associated with user provisioning and call routing within the assigned platform
- Build loaders for internal systems ensuring tasks are completed accurately and in a timely manner
- Participate in meetings with clients and internal departments to understand the requirements of call routing
- Document and design call flow diagrams to ensure that all call variables have been accounted for in preparing a routing plan
- Support the clients solution by correcting any issues with call routing or provisioning during the initial implementation phase, constantly communicating status of any issues with client
- Complete testing to ensure that call flow is operating properly
- Monitors and ensures compliance to standards, policies, and procedures
What are we looking for?
- 0.6~2 year’s implementation experience in Asterisk PBX, IP Telephony, SIP.
- Able to thrive in a demanding and team-oriented environment
- Basic and strong knowledge of the Linux operating system.
- Knowledge of bash and perl shell scripting is an added advantage.
- RHCE Certification is an added advantage.
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C++CJob Title:
Telephony Engineer
Job Description:
- Support the operations team with debugging issues related to the telephony platform
- Identify issues with calls using monitoring and analysis tools such as VoIPMOnitor
- Write scripts to automate tasks, monitor the services and functionalities
- Contribute to the improvement of the system by providing ideas
- Help with capacity planning
- Perform the scheduled maintenance activities
- Modify the existing code to accommodate new features
Experience Range:
3- 6 years
Educational Qualifications:
Any graduation,
Job Responsibilities:
• Knowledge of open source technologies, VoIP, SIP, WebRTC etc.
• Shell scripting.
• Experience in Asterisk and Kamailio or OpenSIPS.
• C/C++ or JS programming with Linux.
• 5-8 years experience.
• Good communication skills.
• Willingness to work in the night, whenever required, for handling support related issues.
Skills Required:
ViOP, OpenSIPS, SIP, Shell Scripting, Asterisk, kamailio, C++, Linux, Development,
C++Requirements:
- Strong C/C++ programming and debugging skills in a Linux environment.
- Experience with Design Patterns, ACE Framework, and Socket Programming.
- Experience in Multi-threaded software development for Multicore Architectures.
- Experience in VOIP application development, preferably on client/server platforms.
- Understanding of system performance and scaling.
- Experience in embedded software development.
- Excellent problem solving/debugging skills design, develop, troubleshoot and debug.
- Software programs for databases, applications, tools, networks etc.
About Us
Rezo.ai is an AI-Powered Contact Centre that enables enterprises to enhance customer experience and boost revenue by automating and analyzing customer agent interactions across multiple channels including voice, email, chat/WhatsApp, and social, at the required scale, whilst training agents with minimal costs
How do we do it
Rezo’s AI-Powered contact center leverages ground-breaking technologies in AI, ML, ASR, NLP, RPA, and predictive intelligence to transform customer experience and reduce costs by automating, and analyzing social media, whilst coaching them.
Job Description
- Preference would be given to having experience in IVR and Call Center application development.
- Hands-on experience in Kamailio SIP Server
- Hands-on experience in WEBRTC
- Asterisk integration with PSTN is preferred.
- Asterisk integration with Database (MySQL and MSSQL) with knowledge of queries and stored procedures.
- Scripting with Shell, Perl.
- Experience in installing Hosted VoIP
Nice to have- Good knowledge of SIP and IAX.
- MySQL and Telephony Domain.
- Ability to test and troubleshoot Asterisk applications/issues
- Knowledge of C programming in Asterisk
Qualifications
Candidate Profile
The candidate must have:
- 2 - 4 years of experience working on the Asterisk platform.
- Strong Knowledge of PBX, SIP, and RTP protocols.
- Strong knowledge of multi-asterisk server architecture
- Sound knowledge of Asterisk Dial-plan, Asterisk Gateway Interface and Asterisk Manager Interface.
- Worked on Queue, IVR and Voicemail-related applications.
- Expert in Asterisk installation, configuration and troubleshooting.
- Expert knowledge of installing and configuring Asterisk with PSTN card.
- R & D skills in Asterisk.
- Experienced with Linux (LAMP) servers (Centos, Apache, MySQL, PHP)
Role : Head – Key accounts and strategic partnerships ( Unified Comm )
Qualification : Btech desirable with additional Business Diploma / Degree
Function – Drive both Wholesale & Enterprise VOIP Business Revenues on national and Global phase,
VOIP Business includes Outbound VOIP ( Traffic of Call Centre , CLI , NCLI ) and Inbound VOIP ( DID’s , Two Way DID’s , Toll Free No’s , VMN’s etc )
Should have handled min of a Annual Million USD Revenue business Portfolio
Enterprise VOIP SIP Trunks and SIP Trunk Solutions
Unified Comm Solutions Like MS Teams Direct Routing Services or others
SMS Services exposure with A2P ( Application to Person ) SMS
NOC support co-ordination Understanding
Skills – Should be having Solution sale bent of mind to enhance penetration in Enterprises/ SME’s and creating Value .
Characteristics – Should be a Self Motivated Individual willing to excel in his career
Android Development
Kotlin4+ years of experience of Java/Kotlin development on Android
Understanding of Android Application Framework
Very good understanding of UI placement, Layouts Wireframes.
Development experience with Android Services, AIDL Binders.
Usage of Design Patterns on Android (MVP, MVVM)
Hands-on experience with Android Studio, SDK, Gradle AVD
Experience in writing Unit tests and Automated Tests using JUnit, Mockito, etc.
Experience with AOSP development and Android NDK.
Python1. Total of 11+ years of experience in the software industry
2. 10+ years of experience in Telecom domain
3. 10+ years of hands-on experience in software products/solutions preferably with development background
4. Should have played multiple roles including software product/solutions delivery, business analysis, pre-
sales, customer-facing across multiple geographies
5. Domain experience should include the following:
a. Core networking, NFV, SDN, SNMP, switching, routing (e.g. HLR, CDRs, SMSC)
b. Telecom protocols such as SIP, VoIP
c. Experience 3G, 4G, LTE, 5G
d. E2E solution design
e. TOGAF or equivalent certified
2. Preferred technology stack/skills:
a. Java and/or C++ or Telecom COTS products (Siebel, Netcracker, Amdocs)
b. Distributed systems (web services/micro services, databases)
c. Containers and orchestration frameworks (e.g. Docker, Kubernetes)
d. Cloud concepts
e. Scalable and HA (High Availability) architecture
f. Secure engineering
2. Experience in leading responses to large RFPs, RFIs, RFQs
3. Experience working on building carrier grade products/systems
4. Travel readiness for conferences, presentations, workshops
Job Responsibilities
1. Solution design responses to RFPs
2. Provide Telecom domain expertise cover to all existing engagements and identify areas of growth by
tailoring proactive propositions
3. Research competing products/solutions and changing paradigms in the context of latest trends in domain
and technology
4. Identify and build new service offerings
5. Capability presentation to prospects
6. Front-end key customer engagements from domain perspective
7. Provide consultation to delivery teams on domain side
8. Identify, groom and build domain expertise within delivery teams & proliferate a culture of knowing the
customer, products and the domain
9. Ability to elicit functional and non-functional requirements from high level requirements.
Kubernetes
DockerAmazon Web Services (AWS)Job Brief
The role is to coordinate strategies for defining, deploying, and designing a next-generation, cloud-based unified communications platform. This includes managing all engineering projects for VoIP initiatives, planning technology roadmaps, and configuring and optimizing all products and services, both internally and those integrated with Internet-based services.
Responsibilities:
- Provide ongoing support of the Stage Prod environments that are placed in public clouds;
- Improvement Observability of the Product and Infrastructure it placed in;
- Support integrations with other Products and collaborate with Teams owning them;
- Write high-quality documentation;
- Improve deployment process: CI/CD pipelines, automations and so on and so forth.
Requirements:
Technical Experience:
- Confident Linux administrator and common experience as administrator of services used by customers (internal or external);
- Monitoring Systems and Observability Tools: Prometheus Grafana; ELK;
- CI/CD experience: Git GitLab, Bazel or Jenkins;
- DevOps SRE practices understanding, including common toolset, approaches, deployment strategies et cetera;
- IaaC: HashiCorp Terraform, CloudFormation;
- Public Clouds -Networking, Containers. DNS, other common public clouds services: computing, storages, billing, user management and roles control (AWS);
- Docker Kubernetes: near to CKA level;
- Networks: TCP/IP, NAT/PAT, HTTP(s), DNS;
- Basic experience with databases administration (MySQL or PostgreSQL);
- Automations: Python in Linux Administration;
- Understanding of Change Incident management processes
Android DevelopmentKotlin
JavaVOIP Developer
- Knowledge on PSTN lines
- Good understanding of TCP/IP protocol stack and practical knowledge of LAN / WAN
- Good knowledge of value-added features such as Voicemail, ACD, IVRS, CTI, etc
- Familiarity with SIP / SDP protocol / Softphones
- Familiarity with OpenSIPS, Kamalio
- Familiarity with Freeswitch
- Familiarity with MySQL
- Knowledge of Linux / server administration
- Familiarity with C language
- Firewall, Security
- Knowledge of WebRTC
- Standard features of Enterprise Communication Servers (PBXs)
- Problem Troubleshooting and debugging techniques (both Hardware and Software)
Android DevelopmentKotlinJavaTechnical Skills Required
- Expert with BSPs and use of Peripheral Device Drivers, on Android and Linux Operating Systems
- Expert with device boot for speed and absolute reliability on headless devices
- Expert allocation/efficient use of operating infrastructure: memory, CPU, I/O, and serial communications
- Expert full stack application development on Android and Linux Operating systems:
- Java, Kotlin, JS, C/C++, ---- a plus to have Python
- Expert use of various build and debug tools for Android and other Operating Systems
- Skilled at architecture and implementation of custom algorithms and rules engines using onboard sensors for industrial applications: ex: fall detect, collision avoidance, man down, alerts
- Skilled with battery life optimizations
- Skilled with implementation of user interfaces for devices based on requirements
- Skilled with Sensor Integration in Android or other OS framework (Linux, RTOS)
- Skilled with device configuration management
- Experience to integrate and tune camera and audio subsystems for VOIP and Video calling
- Able to port and integrate from/to one chipset to another
- Able to support device software across product life cycle
- Understanding of enterprise grade application requirements, networking and network security
- Experience with application/device diagnostics and self-healing configurations for enterprise grade solutions
- Experience with secure over the air software/firmware upgrades, device configuration and management from network server
- Experience with design and support for factory provisioning and test
C++PythonDesired Candidate Profile
- Minimum 3 years of hands-on development experience
- Experience with VoIP based technologies based on SIP protocol.
- Solid C, C++ experience, Python
- Experience in developing multi-threaded and client server application
- Experience in Linux/Unix environment
- Experience/Knowledge in at least three of the following technical areas is also required:
- Object oriented design and methodologies
- Experience developing cloud-based services (e.g. SaaS, PaaS)
- Knowledge and development background in web services, or web based technologies using REST.
- Experience with highly available/redundant softwer.
- Strong communication skills required.
- Strong writing skills required.
- Ability to multi-task and handle changing priorities.
- Knowledge of software development methodology, build tools and product life cycle; experience in agile development is a plus.
- Excellent team skill, can-do attitude, focus on quality.
iOS App Development
Objective C
Swiftperformance and global at scale
Hands on experience in performance tuning, debugging, monitoring
Experience designing clean and maintainable APIs
Working experience with popular thid party libraries for networking, async image loading
Experience building complex applications and g Objective-C / C++/SWFIT with Cocoa and other
frameworks
Strong understanding of iOS application architecture and Implementation (MVC, MVVM)
Experience with multithreaded programming, reusable frameworks, UI components, iOS SDK performance
tools and optimization techniques
Knowledge on UIKit, Core Animation, Autolayout, Size Classes, SnapKit
Knowledge on Core Location, MapKit, AVFoundation, StoreKit, Extensions, AddressBook, EventKit, CAllKit,
SiriKit, Core Bluetooth
Knowledge on Spatial Reasoning
Experience in following best Coding, Security, Unit testing and Documentation standards and practices
Experience in Agile methodology.
Ensure quality of technical and application architecture and design of systems across the organization.
Effectively research and benchmark technology against other best in class technologies.
Previous experience of developing VoIP based solution, live streaming/video calling based application
DevOps understanding is a plus.
Previous experience of working in Product/Solution development or Start-ups will be added advantage
Domain Knowledge: Health care
Good Communication skill
Required Skills: GSM, Linux, Networking, infrastructure, VOIP, PHP, Perl, SIP, troubleshooting, Python,HTML
- 5+ years of solid experience as an Asterisk Developer
- Must be proficient at developing software using a scripting language. A distinct advantage if you have experience using Python
- Sound knowledge of Asterisk Installation, Configuration, Dialplan, Call troubleshooting (SIP, ISDN)
- Solid experience of working With Linux Operating Systems
- Good understanding of VoIP, SIP, SS7.
Hi,
Greetings from IP Momentum!!!
We are currently hiring Sales Head/ Business Development Head for our tele communication entity IP Momentum.
The primary purpose of the VOIP Sales Head is to head the team, and drive the sales by proactively prospect and sell VoIP services to potential customers.
Present VoIP services through on site meetings with decision makers. Close sales opportunities.
Process orders accurately and efficiently, ensuring that all company standards and departmental expectations are met Utilize, maintain and continuously improve various sales and communication techniques
Expert in VoIP products; services; prices; promotions; and technical skills Thrive in a self- directed environment Excellent prospector for new business
Qualifications
Only professionals with experience in VOIP Sales targeting Call Centers and Corporate and Enterprises will be processed Able to verbally communicate clearly, persuasively and professionally in order to achieve the desired/expected sales and customer satisfaction goals Able to professionally and concisely communicate and write in English Candidate must possess knowledge, skills and experience in telephone sales
About us -
NodeJS (Node.js)
React.js
React NativeWe are looking for a lean MERN Stack developer who is specialized in developing JavaScript-based technologies i.e. MongoDB, ExpressJS, ReactJS, NodeJS. If you have that energy and passion to create impacts, we have the perfect job for you! Job has flexible or temporary work from home options.
Job Responsibilities-
- Requirement gathering, UML & Database modelling and documentation
- Building interactive consumer data from multiple systems and RESTfully abstract to the UI through a Node.js backend
- Defining code architecture decisions to support a high-performance and scalable product with a minimal footprint
- Address and improve any technical issues
- Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant and efficient systems.
Requirements-
- BSc degree in Computer Science or similar relevant field
- Previous working experience as a MERN Stack Developer for 3+ years
- Experience with modern frameworks and design patterns
- In depth knowledge of NodeJS, ExpressJS or Restify
- Experience of implementing applications using Angular or React
- Experience for creating front end applications using HTML5, CSS3 Angular, LESS/SASS
- Hands on experience with JavaScript Development on both client and server-side
- Knowledge of Functional Testing regarding Unit Testing, Integration Testing & End-to-End Testing is required
- Strong knowledge of Testing tools is required with subject to Jest and Enzyme, React Testing Library, Puppeteer (or PhantomJS, Nightmare or Headless Chrome) and Selenium WebDriver
- Rest API development, documentation and testing using tools like Postman
Knowledge of the following will be considered as an advantage-
- Requirements gathering, modeling, documentation and project management using Visual-paradigm.com
- Javascript based workflow engines and Flow-Based Programming
- Consumer Web Development Experience for High-Traffic, Public Facing web applications,
- Experience with cloud technologies
- Creating secure RESTful-based web services in XML and JSON, JavaScript, JQuery,
- Continuous integration (Jenkins/Hudson) and version control (SVN, Git).
- Converting UI and website designs (.psd, .xd, etc) into react components using Storybook.js and creating test cases with scripts; including documentation and automated visual testing
- React with WordPress Headless CMS using frameworks like Frontity.org
- org for authorization and access control models
- io microfrontend’s architecture framework for highly modular fully flexible applications
- Speech Recognition , voice interface , and other AI functionility
- React native mobile, Electron desktop application conversion
- Heroku Pipelines, Heroku: Browser and UAT, Heroku CI, DevOps tools and processes.
Hands on exp in design , Build and Trouble Shoot genesys contact Center Solutions
Hands on exp working Audio Codes SBC
Exp working in automation - scripting tools like Python , Jenkins, Ansible ,Perl
Exp in SIP Trunks
Exp working in Cisco CUCM, Unity Connections and Voice Gateway routers
Java
JavaPythonC++C
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