Samsung sip java jobs

I'm seeking a skilled professional to integrate a Linux based SIP account with Microsoft Teams calling service primarily for customer support purposes. Key Requirements: - Implement seamless integration between Microsoft Teams and linux SIP account - Understand which Teams licence to use and cost - Link Teams calling to external SIP a provider - Create 4 option IVR queue - Text to speech changes to be easily configurable by client - Call flow changes to be easily configurable by client - Link IVR queue to external SMS provider to send SMS - Create basic log report eg incoming calls for the day, outgoing calls with average duration per call - Google form api script to verify users on Google form without sign-in - notify client eg using Google push notificat...

I am in need of a skilled Java developer to assist in finalizing the software for an in-development PC puzzle game. The successful freelancer will have extensive experience in creating engaging, efficient, and effective Java-based gaming interfaces. Ideal Skills: - Proficiency in Javascript programming language - Experience in game development - Familiarity with PC gaming platform nuances - Can communicate in English -2-4+ years of software development experience -Expertise with HTML5, CSS3, Javascript and VueJS -Strong understanding of software design patterns, object oriented programming, functional programming concepts -Comfortable working with command line and git This role will involve finalizing existing code, ensuring optimal performance, and adding the finishing...

I have an old Java WAR file using Grails 2.4 and Groovy 2.5.6 that needs to be updated and deployed on my Tomcat server. Your help is needed urgently. Key Points: - The existing WAR file needs updating. - You must have experience with Grails 2.4 and Groovy 2.5.6. - The project is time-sensitive, so I need it done as soon as possible. Skills and Experience: - Java - Grails - Groovy - Tomcat Server Management - Experience with WAR files - Ability to work under tight deadlines.

I'm looking for an expert who can help me link my server pages with my existing site. Key Requirements: - Page to Page linking: The project involves linking server pages to various site pages. - Sign-in Page: The functionality required for the sign-in page is a basic username and password setup. - Pre-designed Page: The sign-in page design is already completed, so you will not need to create this from scratch. Ideal Skills: - Extensive experience in server-side programming. - Proficient in site linking and page integration. - Familiar with basic authentication setups. Please provide examples of similar projects you've completed in your proposal.

...it resonates with calm, focus and positivity. I WANT IT TO LOOK LIKE A VIRAL EYE CATCHING PRODUCT Key Requirements: - Incorporate our brand logo, product description and ingredients list onto the packaging. - Design tasteful illustrations that fit within the minimalist and clean aesthetic. DESCRIPTION: Sink into a cushioned bed of calm with the soothing aroma of Anxietea. From a smooth first sip to final drop, you will feel centred by this well-balanced brew. Gentle herbs and spices create fullness and complexity with just a hint of sweet licorice root. Everything is in harmony. A unique blend of herbal ingredients designed to bring your mind, body and soul back to a state of calm. Anxietea helps to lower your levels of stress hormones so you can centre your thinking. ING...

I'm seeking a skilled Java developer with strong expertise in creating Spring web applications. Key Requirements: - Proficient in Java with extensive experience in developing web applications. - Deep understanding and practical knowledge of the Spring framework. - Capable of implementing user authentication, RESTful API integration, and facilitating database interaction. Ideal Skills: - Strong Java programming skills. - Experienced in using the Spring framework. - Familiar with implementing user authentication systems. - Proficient in creating and integrating RESTful APIs. - Experienced in database management and interaction. Your role will be to help build a robust, interactive, and user-friendly web application. Looking forward to your proposals.

Задача разобраться в китайском фреймворке и запустить Java Ruoyi-framework (Maven) Это китайская криптобиржа, желательно помимо запуска помочь с настройкой и как дальше работать с ним.

I am looking for a skilled web developer to create a website that will extract product data from another site and display it. The site will also require a comprehensive payment processing system and multiple user access levels including owner, admin, free access, pay per request access, ...Processing: A secure and efficient payment system for different user tiers. - Site Design: A user-friendly interface that clearly displays the extracted product data. Ideal Skills and Experience: - Proficiency in web development and web scraping - Experience with creating complex user management systems - Expertise in implementing secure payment systems - Ability to design user-friendly interfaces - PHP, Java, .NET Please note that the primary goal of this website is to display the extracted pro...

I'm looking for an experienced developer to integrate a Java web service with an Angular UI for a publisher application. Key Requirements: - Proficient in Java and Angular - Experience with web service integration - Ability to understand and implement necessary functionalities The specific functionalities for integration will be discussed, but generally, we are looking at user authentication, content publishing, and data visualization. An understanding of creating and integrating with APIs is crucial, as we'll need both existing and new APIs to be developed for this project. Ideal Skills: - Java - Angular - Web Services - API Development Experience: - Previous work on publisher applications - Full stack development - UI/UX integration

I need a TradingView oscillator indicator, which is already coded, to be replicated in Java using Eclipse. The Java version must display the same visual graph as TradingView. When contacted. I will share the indicator privately. It is a ready indicator and open source code. We just want to write it in Java via Eclipse and see the graphic visually in the application. Key Requirements: - Replicate the functionality of the TradingView oscillator indicator in Java. - Ensure the Java version has the exact same color scheme as the TradingView version. Ideal Skills: - Strong expertise in Java and Eclipse. - Familiarity with TradingView and its indicators. - Ability to accurately replicate visual elements in a different programming environment.

I'm looking for an experienced developer to integrate a Java web service with an Angular UI for a publisher application. Key Requirements: - Proficient in Java and Angular - Experience with web service integration - Ability to understand and implement necessary functionalities The specific functionalities for integration will be discussed, but generally, we are looking at user authentication, content publishing, and data visualization. An understanding of creating and integrating with APIs is crucial, as we'll need both existing and new APIs to be developed for this project. Ideal Skills: - Java - Angular - Web Services - API Development Experience: - Previous work on publisher applications - Full stack development - UI/UX integration

I'm looking for an experienced mobile app developer to help me create an Android mobile app. Ideal Skills: - Proficiency in Android development - Experience with Java and Kotlin - Knowledge of Android SDK, NDK and other relevant tools - UX/UI design experience would be a plus Please provide examples of your previous work in your proposal.

I'm seeking a skilled mobile app developer specializing in creating Social Media applications for the Android platform. Key Responsibilities...facilitate social interaction, such as messaging, posting, liking, sharing, etc. - Ensure the app is optimized for performance and usability across a range of Android devices. Ideal Skills: - Proven experience in Android app development, particularly for Social Media platforms. - Strong understanding of UI/UX principles for mobile applications. - Proficiency in relevant programming languages and tools (Java, Kotlin, Android Studio, etc.). - Excellent problem-solving skills and attention to detail. Experience: - Previous work on Social Media app development will be highly regarded. - Portfolio of successful Android applications will b...

I'm looking for a mid-level Pega developer to assist me. The role will entail roughly 3-4 hours of work per day, four days a week. Key Responsibilities: - Develop new features - Maintain existing applications - Provide technical troubleshooting The ideal candidate should have: - Good experience with Pega, specifically Pega BPM and Pega Decisioning - Proficiency in Pega prpc -...looking for a mid-level Pega developer to assist me. The role will entail roughly 3-4 hours of work per day, four days a week. Key Responsibilities: - Develop new features - Maintain existing applications - Provide technical troubleshooting The ideal candidate should have: - Good experience with Pega, specifically Pega BPM and Pega Decisioning - Proficiency in Pega prpc - Strong understanding of Java...

I'm looking for a software developer to create a comprehensive Java application (both server and client) for managing IoT scooters. The application should include: - Functionality: The application must allow for scooter tracking, battery monitoring, and generating usage reports. - User Roles: The application should cater to three specific user roles: Admin, User, and Technician. - Client Application: The client application should be compatible with IOS and Android. The ideal candidate for this project should have extensive experience in Java application development, particularly in creating server-client models. Knowledge and experience in IoT systems will be a plus. Please include relevant experience in your bid.

I'm looking for a skilled Native Android Developer who is proficient in C++ and Java Native Interface. The primary focus of the project is performance optimization of an existing Android application. Key Responsibilities: - Analyse and assess the current performance of the application. - Identify areas for performance improvement. - Implement optimisations to enhance application performance. Ideal Skills and Experience: - Proven experience as a Native Android Developer. - Strong knowledge of C++ and Java Native Interface. - Previous experience with performance optimisation of Android applications. - Please start the bid with word "jni" to seek attention to your bid. - Ability to understand and work with existing code. This is an exciting opportunity to wor...

I'm seeking an expert Java FullStack trainer to conduct live online sessions. The trainees are advanced level individuals, hence the training should aim to further enhance their skills. Key Areas of Focus: - Extensive training on Frontend technologies: HTML, CSS, and various JS frameworks - In-depth exploration of Backend technologies: Java and the Spring framework - Comprehensive Database management training: SQL and NoSQL The ideal trainer should have: - Proficient knowledge and experience in Java FullStack - Excellent teaching skills particularly for advanced learners - Familiarity with live online training platforms - Ability to create engaging, interactive training sessions

I'm looking for a developer to help me create a robust authentication system using Angular and Java Spring Boot. Key Features: - The system should primarily support username and password authentication methods. - It will need to cater to a single user role - the 'User'. There are no requirements for Admin or Guest roles at this point. - The authentication system should integrate with an existing MySQL database. Ideal Skills: - Proficiency in Angular and Java Spring Boot - Experience in developing authentication systems - Familiarity with MySQL Please, only bid if you can demonstrate relevant experience and understand the technical requirements.

I'm seeking a Java developer with extensive experience in Spring Boot and React.js to build an application that automates college timetable creation using a genetic algorithm. This app is intended to generate efficient and customizable timetables, taking into consideration a variety of factors. Key Features: - Break Time Customization: The app should be able to configure break times based on different scenarios and requirements. - Classroom Allocation: Efficiently assigning classrooms to various classes should be part of the app's capabilities. - Teacher Preference Settings: The app should allow configuration based on teacher's preferences. - Labs Allocation: Timetable generation should also include the allocation of lab sessions. Key Prioritization: The main focus ...

I'm looking for an experienced Minecraft server creator to set up a server named "BBF's HYPERCARGA CRAFT". This will be a server that caters to both Minecraft Java and Bedrock Editions. Key Requirements: - Installation of a virtual currency based economy mod. - Implementation of region protection blocks mod for server security. - Setting up a shop mod on the server. The ideal freelancer for this project should have: - Extensive experience in setting up Minecraft servers. - Proficiency in both Minecraft Java and Bedrock Editions. - Familiarity with various Minecraft mods, particularly those related to economy, protection blocks, and shop systems. Please note, the goal is a simple yet functional server with the specified mods. Your expertise is needed t...

I'm looking for an experienced Java Developer, proficient with APIs, to assist with testing and coding for my BI Publisher API. All work will be carried out on my computer. Key Responsibilities: - Test the API to ensure its functionality - Write necessary code using Standalone Java (JDK) Ideal Skills: - Extensive experience with Java and APIs - Strong understanding of API functionality testing - Proficient in coding with Standalone Java (JDK)

...skilled freelancer, I am in need of high-quality freelance work specifically in the field of programming. I am particularly interested in individuals possessing exceptional full-stack development skills. For this position the required skills include, but are not limited to: - Proficiency in front-end technologies such as HTML, CSS, JavaScript - Comprehensive knowledge of back-end technologies like Java, Python, Node.js - Proficiency in working with databases and cloud services - Good understanding of software testing - Strong problem-solving abilities and attention to detail Industry experience in the field is desirable. This will allow for effective accomplishment of tasks with minimal supervision. The ideal freelancer will also have strong communication skills to effortless...

I want to reskin my android application which is in Java android studio and just want to update the application design and want to add rewarded ads on clicking buttons and the application name is calculator

Require some simple Java programming tasks by using Eclipse IDE. More details to be discussed through chat. If you can compele these simple tasks, there will be more such tasks to work on in the future as well.

I'm looking for a Senior Engineer Job Description: We are seeking a skilled Java Developer to join our dynamic team. The ideal candidate will have a strong background in Core Java and experience with various Java technologies and tools. You will be responsible for developing, testing, and maintaining high-performance applications, ensuring their quality and responsiveness. Key Skills Required for this role:- Excellent English Design, develop, and maintain robust and scalable Java applications. Write clean, maintainable, and efficient code in Core Java. Develop and execute unit tests using JUnit to ensure code quality. Manage database connections and queries using JDBC with PostgreSQL. Implement and integrate messaging systems with ActiveMQ or Ra...

I have Twilio account. I'm looking for soemone who can create my SIP trunk in Twilio and connect to my VOS3000 softswitch. T The primary requirement is to enable outbound calls via this connection. Calls will be sent from VOS3000 to Twilio SIP trunk. Key Requirements: - Proven experience with Twilio SIP trunks. Please only responf if you are able to come online to do this job immediately. My budget maximum is $20 . Iwill therefore not even look at any quotation above $20. Thank you.

Job Title: Java + Python Developer (India - Delhi Location preferred) Experience Level: 4-5 years Job Description: We are looking for a talented Java + Python Developer with 4-5 years of experience to contribute to our dynamic development team. The successful candidate will be responsible for designing and implementing software solutions using Java and Python, with a focus on efficiency, performance, and maintainability. Key responsibilities include collaborating with team members, participating in code reviews, and ensuring the delivery of high-quality software products. Strong problem-solving skills, a solid understanding of software development best practices, and the ability to work on multiple projects simultaneously are crucial for this role. Candidates with ex...

I'm urgently seeking a seasoned Java Architect to assist with a Proof of Concept (POC) for a microservices architecture. The POC primarily revolves around Java, MongoDB, and XML based task service implementations. Key Responsibilities: - Leading the design and implementation of the microservices architecture - Assisting with XML configuration, which is a critical aspect of this task - Implementing the Integration service in Java We need to work on Mongo Based solution to complete this POC need to work on remote machine to complete this activities - Design and implement a POC that showcases the feasibility and functionality of the proposed micro Services architecture. - Incorporate essential features such as user authentication, data integration, and a reporting ...

I'm looking for an expert who can assist me in setting up an outbound call center using Vicidial. The project involves: - Configuring the call center system with essential features like call recording and real-time monitoring. - Securing a reliable SIP trunk, as I currently need a recommendation for a VOIP provider. The ideal freelancer for this project should have extensive experience with Vicidial and SIP trunk setup, particularly for outbound call centers. Previous work in configuring call recording and real-time monitoring features is highly desirable. Please provide examples of similar projects you've completed.

I'm seeking a proficient Java developer based in Pune, with extensive experience in designing payroll and leave & attendance software across various industries, specifically manufacturing. The primary task will be to create software that can seamlessly integrate with our existing HRIS. Key Features: - Automated salary calculations - Tax calculations - Employee benefits tracking - Generation of PF/PT/LWF/ESI challans in accordance to government formats - Comprehensive leave and attendance tracking, shift working, and geo-tagging - Development of reports and dashboards related to payroll - Compatibility with both web and mobile applications Compliance Requirements: - Software must be able to generate PF/PT/LWF/ESI challans - Adequate tax compliance features - Adherence to l...

After integrating the Lombok library and annotating my model classes with @Getter, @Setter, and @ToString, I encountered test case failures during my build process. - Issue: The failures appear to be caused by missing dependencies. - Current Situation: I have verified that all necessary dependencies are included in my build configuration. I am looking for an experienced Java developer with a deep understanding of RESTful services and JUnit testing who can help me resolve these test case issues. The ideal freelancer should also have familiarity with the Lombok library and its annotations.

...developers who specialize in iOS and Android platforms. The ideal candidate should have strong experience in developing mobile applications and a deep understanding of the latest mobile app development trends. The main responsibilities will include designing, coding, testing, and debugging mobile applications. The successful candidate must be proficient in programming languages such as Swift for iOS and Java/Kotlin for Android. Additionally, knowledge of iOS/Android frameworks, APIs, and SDKs is essential. Attention to detail, problem-solving skills, and the ability to work effectively in a team are important. Prior experience with mobile app development projects and a strong portfolio of published apps will be highly advantageous. If you are passionate about mobile app developme...

I need ongoing help with developing test automation framework using slenium,cypress,Cucumber. Framework needs to be integrated with Jenkins CI/CD pipeline. The freelancer would review my code, provide their code snippets (where required), provide help in resolving the compilation errors etc. I need 1-2 hours per day for 3-5 days of the week. I need these services for 1-3 months Languages: C#,Java, Playwright, typescript.

I'm seeking an experienced Minecraft developer to create a mod for the Java Edition. The mod should introduce new items or blocks, alter gameplay mechanics, and include custom mobs or entities. Key Requirements: - Extensive experience with Minecraft mod development, specifically for Java Edition - Proficiency in coding and game design - Creativity in designing engaging and balanced gameplay elements - Ability to create custom entities and mobs - Knowledge of Minecraft's existing items and gameplay mechanics to ensure compatibility and balance The ideal freelancer for this project would be a dedicated Minecraft modder with a passion for the game, a strong understanding of its mechanics, and the ability to create innovative and exciting new content. Please provide ...

...temperature sensors, flow sensors). • Proficiency in firmware development for IoT devices. • Knowledge of communication protocols like Modbus, Zigbee, LoRaWAN, and MQTT. 2. Cloud Computing and Backend Development: • Proficiency in cloud platforms (AWS, Google Cloud, Microsoft Azure) for data storage, processing, and analysis. • Experience in building scalable backend systems using Node.js, Python, or Java. • Expertise in database management (SQL/NoSQL) and real-time data processing. 3. Frontend Development: • Strong skills in web technologies such as HTML, CSS, JavaScript, and modern frameworks like React, Angular, or Vue.js. • Experience in building responsive and interactive user interfaces. • Knowledge of data visualization too...

...in text format. 9- Ability to display guest list and search for guests by name or phone number. 10- Ability to filter the guest list by name, phone number, VIP Indicator, check-in status and checked-in time. 11- Ability to print or export the guest list. 12- Ability to save the app database file and re-open the file again if the app was closed. The Android tablet that will be used is a Samsung Galaxy Tab S9+ with Android 14 so the app must be rock solid, bug-free and 100% compatible with my tablet. Full specifications of my tablet can be found here: https://www.gsmarena.com/samsung_galaxy_tab_s9+ I need the final version of the app to be ready by a maximum of 1st of November so that I have enough time to register the guests details. Attached is the first draft of the ...

I'm looking for a ...skilled developer to create an IPTV application using Samsung Tizen Studio. This app will run on Samsung Hospitality TVs and will utilize the hbrowser. Key Features: - The app should support Live TV streaming from a local HLS source (already have). Should have YouTube, NetFlix and Amazon Prime APPs, screen casting app support Integration: - The application will need to connect to Hotel PMS system, Opera for Guest informations User Authentication: - The app must support user login with a username and password. Ideal Skills: - Extensive experience with Samsung Tizen Studio. - Proficiency in IPTV app development. - Strong understanding of integrating apps with internal servers. - Prior experience with developing apps for Sa...

I'm looking for an experienced Java EE developer with expertise in JSF, PrimeFaces, and WebLogic 14 to resolve deployment issues in a project. The project uses JPA for persistence, and I'm encountering errors related to the entityManager persistence unit and bean initialization during deployment. You will need to correctly configure the , set up the DataSource, and ensure proper bean initialization. The goal is to have the EAR file successfully deploy and function on WebLogic 14. If you have experience with these technologies and resolving such deployment issues, I would love to work with you.

I'm urgently looking for a skilled Java architect to help create a proof of concept (POC). The main goal of this POC is to showcase to stakeholders. I'm seeking a Java architect to assist in creating a proof of concept (POC) for service solution. Key Responsibilities: - We need to work on Mongo Based solution to complete this POC need to work on remote machine to complete this activities - Design and implement a POC that showcases the feasibility and functionality of the proposed micro Services architecture. - Incorporate essential features such as user authentication, data integration, and a reporting dashboard within the POC. - Evaluate and demonstrate the performance of the new technology within the context of the POC. - Have to aim to good solution based ...

We are looking for a seasoned Java Developer with extensive experience in telecom network protocols and MAP messaging systems. This project requires integrating and implementing complex network protocols within our telecommunications infrastructure to ensure seamless operation across both simulated and live environments. Key Responsibilities: 1. Develop and implement advanced routing capabilities using multiple Global Title (GT) connections. 2. Design and manage MAP message handling for SRI4SM, Update Location (UL), and MO_FSM messages. 3. Ensure the solution operates simultaneously and seamlessly across both simulated and live network environments. Required Expertise: • Strong proficiency in Java with significant experience in telecom network integration. • In-de...

We are looking for a seasoned Java Developer with extensive experience in telecom network protocols and MAP messaging systems. This project requires integrating and implementing complex network protocols within our telecommunications infrastructure to ensure seamless operation across both simulated and live environments. Key Responsibilities: 1. Develop and implement advanced routing capabilities using multiple Global Title (GT) connections. 2. Design and manage MAP message handling for SRI4SM, Update Location (UL), and MO_FSM messages. 3. Ensure the solution operates simultaneously and seamlessly across both simulated and live network environments. Required Expertise: • Strong proficiency in Java with significant experience in telecom network integration. • In-de...

Please find my Quote for SIP trunk troubleshooting from Cisco CUBE to Cloud Huawei PBX project.

Need java spring boot developer for support. I have a project in microservice I'm looking for developer in PUNE (pimpri-Chinchwad). who helps me offline for support. Project is to convert SQL query to store query is already have .

You will be working with the demo version available at After downloading, you need to access the click2call demo. SIP server details for testing will be provided (should you accept the task) or you use your own SIP for tests. Tasks: 1. After dialing a subscriber's number and their response, play a pre-recorded audio file. 2. In case of voicemail, you should also play the recording. The result should be a click2call demo version with audio playback functionality. Link to MIZUphone documentation with the required play function: (start%2C%20file%2C%20looping%2C%20toremotepeer)

I'm seeking an experienced Java Developer, with a minimum of 3-5 years in the field, to assist in the development of a backend system focusing on a Microservices architecture. This project emphasizes the implementation of various Authentication services within the microservices framework. Key Responsibilities: - Design and implement robust microservices using Java - Focus on creating secure and efficient Authentication services - Collaborate with the team to integrate these services into the larger backend system Ideal Skills and Experience: - Strong Java programming skills - Extensive experience with microservices architecture - Prior work on backend system development - Experience in designing and implementing Authentication services - Familiarity with RESTful...

I'm looking for a seasoned Software Developer Trainer to join our team. The primary...for our advanced-level students. The ultimate goal is to ensure these students are well-prepared for placements in the industry. Key Responsibilities: - Design comprehensive training programs focusing on Python and Django, Java and Spring, and JavaScript and React. - Deliver engaging, in-person training sessions. - Equip students with the skills necessary for successful placements. Ideal Skills and Experience: - Extensive experience in software development and programming. - Proven track record as a software training professional. - Proficiency in Python, Django, Java, Spring, JavaScript, and React. - Excellent communication and teaching skills. - Ability to design engaging and effect...

We need Sr. Software Engineer with 7 years experience for each of the below tech stack: - C#/ASP.net, React, Angular - Ruby on Rails, Ruby - Java - Python, Django, Flask, React - Node.js - React Native Qualification: - Developers must be Filipino (from the Philippines) - We require for an excellent English skills

I am seeking a seasoned Senior Software Engineer with a strong focus on microservices-based architecture, who can develop impactful web applications. Key Responsibilities: - Utilize expertise in Java, Python, and GO to build high-quality web applications. - Leverage experience with gRPC, Thrift, Kafka, and event-driven systems to ensure robust and scalable application architecture. - Implement Scrum/Agile methodologies for efficient project delivery. Ideal Skills: - Proficiency in Java, Python, and GO, with hands-on experience in microservices architecture. - Strong background in using gRPC, Thrift, Kafka, and event-driven systems. - Familiarity with databricks, S3, Redshift, and Snowflake. - Experience with Databricks Lakehouse architecture. - Experience with gRPC, Thrift...

I'm looking for an experienced Java Developer who can create a sample project demonstrating scheduling jobs using an Oracle API to run a BI Publisher report. Key Requirements: - Integrate with an existing Oracle API I have - Demonstrate job scheduling capabilities The sample project should include a detailed step-by-step guide for setup and understanding. Ideal candidates are those with strong skills in Java, Oracle API integration, and experience with BI Publisher. Comprehensive documentation and clear code explanations are crucial for this project. 1. Need to use an Oracle API to schedule a job to run a BI publisher report. 1. scheduleReport() Method.

I'm looking for an expert to install a FreeSWITCH + ASTPP (or you can offer other option here) VoIP SIP management platform on my Debian/Ubuntu server. The main goal is to manage SIP users and bill them efficiently through web interface. Key Features: - User Management: the platform should allow management of SIP users (accounts) - create, edit, delete, assign them to groups - Rate management: the platform should manage call rates according to call directions - Support of different vendors and its configuration (priopity and specific settings to choose specific vendor), call costs - Billing: the platform needs to accommodate postpaid billing, real-time usage tracking, and support for pre-paid voucher cards. - Provide internal calls capability (between system...