Asterisk ivr mssqlmunkák

I am looking for a developer with a focus on backend operations and experience with C#, MSSQL, and WordPress eCommerce integrations. The primary task is deduct stock in azure ms sql stock table when order placed in wordpress e commerce create comand for performa invoice when order placed in e commerce Key Skills Required: - Strong experience with MSSQL and WordPress - Expertise in inventory management system integrations - Understands the intricacies of WordPress eCommerce platforms budget $70

I'm in need of comprehensive and detailed Australian databases. Specifically: - Medical databases, with a key focus on medical specialties. Medical databases should preferably contain reliable and...reliable and relevant information about the different branches of medical specialties across Australia. - Business databases, encompassing detailed company profiles inclusive of industry category, phone, fax, email, physical address, etc. I'd appreciate getting more data, as in-depth as possible. The databases should be pre-existing or scraped and must be provided in Excel format, or .BAK for MSSQL server. Professionals equipped in big data collection, scrapping, and data analysis would be the most suited for this project. Knowledge about Australian medical and business sect...

I am looking for a developer with a focus on backend operations and experience with C#, MSSQL, and WordPress eCommerce integrations. The primary task is deduct stock in azure ms sql stock table when order placed in e commerce create comand for performa invoice when order placed in e commerce Key Skills Required: - Strong experience with MSSQL and WordPress - Expertise in inventory management system integrations - Understands the intricacies of WordPress eCommerce platforms budget $70

...Experience: Provide a seamless and efficient booking experience for customers using voice commands. : The system should be scalable to handle a high volume of calls and bookings without performance issues. Requirements: -Proven experience with Twilio API and WordPress. -Strong knowledge of PHP, JavaScript, and possibly Python if needed for backend scripting. -Experience in setting up IVR (Interactive Voice Response) systems. -Ability to integrate complex systems with WordPress using REST API. -Experience with WordPress booking plugins is a plus. -Good problem-solving skills and attention to detail. Deliverables: A fully functional voice-driven booking system integrated with our WordPress site. Documentation on the system architecture and codebase. A simple admin panel or in...

.net .net core API Clean architecture Mssql Azure services SignalR Console application, cron job, background service Project is completed just need improving

I'm looking for a proficient developer to set up an Interactive Voice Response (IVR) system in Twilio. Requirements: - Implementing Call Waiting and Queue functionality: My system needs to manage incoming calls efficiently, ensuring callers are placed in a queue and greeted with appropriate prompts. The ideal candidate should have: - Proven experience with Twilio: You should be well-versed in setting up IVR systems in Twilio, capable of implementing call waiting and queue functionality. - Familiarity with call center operations: Experience in managing incoming calls and understanding the importance of efficient call handling and queuing is a huge plus.

i am looking for a developer to help generate 1d barcode for my existing web system in vb.net and database is mssql

I am looking f...solutions focused on handling incoming and outgoing calls with a Python bot. Key Features: - Set up SIP trunking for call recording and monitoring, IVR system, and SIP trunking. - Convert my analog phone system to a VoIP system. - Implement Direct Inward Dialing(DID) support for calls between multiple company sites. - Configure the Python bot to manage incoming and outgoing calls. Bot Functionality: - Answer and route incoming calls to appropriate destinations. - Initiate outgoing calls based on specific triggers or events. - Handle real-time call transfers and call forwarding. Skills Required: - Proficient in VoIP and PJSIP development using Asterisk. - Strong Python programming skills. - Experience with SIP trunking and DID. - Familiarity with analog to ...

Preciso de um WebRTC Proxy para conectar nossos antigos sistemas asterisk em webphones. Ele tem que suportar conexões ipv4 e ipv6. Ou seja, precisamos de um Proxy que faça a conexão dos clientes WebRTC tanto ipv4 quanto IPv6 e entregue as chamadas na rede local. Precisamos de pessoas com experiência em kamailio, opensips, rtpengine, asterisk, freeswitch, MariaDB.

I am looking f...solutions focused on handling incoming and outgoing calls with a Python bot. Key Features: - Set up SIP trunking for call recording and monitoring, IVR system, and SIP trunking. - Convert my analog phone system to a VoIP system. - Implement Direct Inward Dialing(DID) support for calls between multiple company sites. - Configure the Python bot to manage incoming and outgoing calls. Bot Functionality: - Answer and route incoming calls to appropriate destinations. - Initiate outgoing calls based on specific triggers or events. - Handle real-time call transfers and call forwarding. Skills Required: - Proficient in VoIP and PJSIP development using Asterisk. - Strong Python programming skills. - Experience with SIP trunking and DID. - Familiarity with analog to ...

I need an experienced professional to help fix an urgent problem in my Asterisk system that utilizes both Session Initiation Protocol (SIP) and Real-time Transport Protocol (RTP). My issue revolves around tenant to tenant recording or IVR. Specifically, all audio plays for only 2 seconds before abruptly ending calls. - Skills and Experience You should have extensive experience with Asterisk, SIP, and RTP. A deep understanding of their inner workings and potential pitfalls is necessary to effectively troubleshoot and resolve the current issue. A track record for quick and efficient problem solving is essential. Deliverables: - Diagnose the issue causing the audio and calls to end after 2 seconds - Implement a reliable solution to fix the issue Note that this projec...

...Responsibilities: - Establishing a SIP trunk server with configurations optimized for Twilio - Implementing call management features like Call Recording, Call Forwarding, and Interactive Voice Response (IVR) - Ensuring seamless integration of both voice and SMS capabilities - Providing recommendations for server security and performance optimization Ideal Candidate: - Extensive experience with SIP trunking, particularly with Twilio - Proficiency in configuring and customizing SIP trunk servers - Proven track record in implementing call management features such as Call Recording, Call Forwarding, and IVR - Strong understanding of VoIP and telecommunication protocols - Familiarity with server security best practices If you are confident in your abilities in this space and ...

I'm seeking a skilled VB.NET/MSSQL developer who have ever done simillar work in Tax and statutory compliance projects like Kenya - KRA, TIMS,UAE - FTA,India - GSTN, Angola - SAF-T, etc to integrate the Electronic Fiscal Receipting and Invoicing System (EFRIS) API into my VB.Net POS Project. The successful freelancer will have extensive experience in creating similar systems and should possess a keen eye for detail. Key Features: - E-Invoicing:

I'm looking for an expert in MS SQL databases to help me with a specific task. I’m using an MSSQL database and need to create a Param scalar. This is to store specific customer information in a structured manner. The ideal freelancer should be experienced with: - SQL, specifically MSSQL - Parameter creation within databases - Experience working with customer information In your proposal, please provide an example of a similar task you've completed in the past.

Seeking an experienced Asterisk developer to optimize the call quality of our existing VoIP system within our business operations. The ideal candidate must: - Possess 3+ years of experience in the domain - Be proficient with programming languages, VoIP, Asterisk interfaces (ARI, AMI, AGI), SIP configuration, API integration, and webhooks - Have robust problem-solving skills to provide innovative solutions Key responsibilities will include scrutinizing our present setup, identifying weaknesses, and implementing improvements to enhance call quality. A solid understanding of business requirements is vital to ensure the VoIP system is modified to suit our operational needs. Interested candidates, please email your resumes and cover letters.

My name is Rostislav, I represent the Unifun company, we develop VAS services for mobile operators. An example of our projects are the IVR Radio and IVR Islamic services, which have been successfully launched on the Sudani mobile network and Zain mobile network in Sudan. Within these projects, as well as others, we need someone to assist us with testing. Below are the conditions: To conduct tests, it is necessary to have a phone and a Sudani SIM card and Zain SIM card. Testing will involve making calls, sending SMS notifications, and may also require translating SMS from English to Arabic, checking audio files in Arabic, and so on. Conditions: - Everyday - a person should conduct testing of our services in the morning (not more than 5-10 minutes) - Payment calculation on a...

I'm seeking a skilled team of deve...customer management. This will involve the ability to store and manage customer information effectively. - **Cloud Telephony IVR Integration**: I'm looking for integration with cloud telephony IVR to enhance communication efficiency and customer service. - **WhatsApp Integration**: In addition to traditional methods of communication, the CRM should feature WhatsApp integration. - **All CRM Features**: The ideal candidate will be familiar with all CRM best practices and features, and will be able to implement these into the system. Ideal candidates for this project will have experience with: - Web and mobile app development - CRM development - Cloud telephony and IVR integration - WhatsApp integration - Experience with bot...

...Handling: The call center needs to be able to efficiently manage both incoming and outgoing calls. This includes routing, call waiting, and call transfer functionalities. - DTMF Capture in Live Calls: A crucial feature I need in the call center is the ability to capture DTMF tones in live calls. This is essential for certain interactive voice response (IVR) systems and automated customer service functions. - Auto-Robot Call Functionality/IVR : The software should be able to execute automated calls without manual intervention. This feature will be helpful in various scenarios, such as appointment reminders, surveys, or telemarketing campaigns. What I'm Looking For: - Experience: I'm primarily interested in your relevant experience in developing call center soluti...

I am in need of a Senior Full Stack Developer with over 5 years of experience. The ideal candidate should demonstrate an expert proficiency in Python, Angular, HTML, CSS, Power BI, SQL (Snowflake, MSSQL), JavaScript, AWS Services, ORM, Linux, Git, Web Deployment, SSL, JWT, RESTful APIs, XML or JSON, TypeScript. Essential Skills and Experience: - 5+ years of experience in Full Stack Development - Proficiency in Python, Angular, HTML, CSS, JavaScript, TypeScript - Familiarity with Power BI and SQL (Snowflake, MSSQL) - Experience in AWS Services and Linux - Expertise in Web Deployment, SSL, JWT - Comprehensive knowledge of RESTful APIs, XML or JSON formats - Working experience with Git and ORM This highly challenging yet exciting role demands an individual able to work in...

I'm looking for a skilled professional to help me synchronize employee attendance records from ZkTeco ZkTime 5.0 to MSSQL on my local server. This is a daily batch update process. Key Points: - You will need to understand how to fetch the attendance data and ensure its accuracy during the synchronization process. - The data should be structured in MSSQL in a way that allows for easy querying and reporting. - The process should be efficient and reliable, with error handling mechanisms in place. Skills needed: - Proficiency in ZkTeco ZkTime 5.0 - Strong experience in working with MSSQL databases - Excellent understanding of data synchronization processes - Ability to work with structured data and maintain normalized relations in a table-based format. Ideally, I&...

MSSQL & IIS configuration required. If you are expert in windows and IIS please reach to me. Thanks

Hi I need to setup MSSQL server on AWS Cloud. If you have the desired skills please do not hesitate to bid. Thanks

Estamos à procura de um especialista em Issabel e Asterisk para implementar um sistema de Resposta Vocal Interativa (IVR) na nossa plataforma de servidor Issabel 4.0.0-6. O objetivo deste sistema é realizar entrevistas telefónicas automatizadas onde os respondentes possam responder a perguntas pré-gravadas utilizando o teclado do seu telefone. O sistema deve ser capaz de carregar uma base de contactos para realizar automaticamente as chamadas telefónicas e capturar estas respostas numa base de dados para análise subsequente. Além disso, o sistema IVR deve incluir a funcionalidade de conversão de texto em voz (TTS) para facilitar a criação e atualização de prompts de voz. No entanto, t...

...solution, I'm seeking guidance from a skilled freelancer experienced with both Raspberry Pi and Asterisk server setup. Key Project Details: - I do not require a full-fledged PBX setup, just a basic VoIP service facilitated through my Raspberry Pi. - The primary feature I'm interested in implementing is voice calling. Required Skills: - Proficiency in configuring an Asterisk server on Raspberry Pi. - Strong understanding of VoIP and related protocols. - Ability to guide and explain the setup process clearly. Your Role: I've tried to set it up but no voice can be heard on the other end. So this task is mainly a trouble shooting job. Your primary role will be to walk me through the setup of Asterisk on my Raspberry Pi, ensuring proper configuration f...

I require an expert in Asterisk and FreeSWITCH development, along with experienced system engineering skills. Specifically, I need help with: - Asterisk and FreeSWITCH development - Integrating VoIP - Setting up Call routing and IVR (Interactive Voice Response) - CTI - Skill group base call routing to agents. Apart from these, the implementation of Asterisk and FreeSWITCH clustering as well as Call Center Reporting is required. The technology stack should be Linux, PHP, MySQL along with postgresql and API knowledge. The freelancer should have considerable experience in these to meet the project's specific requirements.

...persona con experiencia configurando la libreria de Javascript SIPML5 y asterisk. Tenemos todo instalado y configurado. El softphone web se registra al asterisk, emite y recibe llamadas, pero cuando se atiende la llamada no transmite el audio. El servidor tiene instalado una VPN. Cuando el usuario se conecta a la VPN, entonces funciona el audio de la comunicación pero cuando no se conecta a la VPN entonces vuelve el problema del audio. Se requiere que el softphone funcione sin VPN, solo por internet. Version asterisk 18 OS: Ubuntu Server 14 +++++++++++ A person with experience configuring the SIPML5 and Asterisk Javascript library is required. We have everything installed and configured. The web softphone registers to Asterisk, sends and recei...

I'm looking for an experienced developer to create a Telegram bot using Python. The bot will be integrated with custom VoIP libraries to make IVR calls. Here's a brief on what I need: - IVR Features: The bot should have interactive menu options and play text-to-speech messages. - SIP Server Integration: You'll need to integrate the bot with an existing SIP server. Ideal Freelancer: - Proficient in Python, especially in developing Telegram bots. - Experience with VoIP libraries, particularly in the context of IVR calls. - Familiar with SIP server integration. - Strong understanding of DTMF technology. If you're confident in your ability to bring this project to life, let's connect.

Requiero configurar una troncal PJSIP en servidor con asterisk 18 y una troncal SIP en un servidor Asterisk 11, hay que realizar ambas configuraciones para dejar funcionando el servidor de telefonía.

We are looking for consultants - Consultant preferred from India. 1) Consultant - SRP Experie...Webservices, Websockets WebRTC (in the context of SCF and SRF) ISUP over SS7 Experience in Dialogic API for SS7 and INAP Experience in using JSS7 API from RestComm or it's variant of Mobius JSS7 or any of the varient IVR implementation with Freeswitch on SS7 Knowledge and work experience on YATE SS7 implementation. Anyone with following expereince and skills also may apply Consultant - CRBT worked in CRBT and similar products Having knowledge in the following protocols a) INAP over SIGTRAN/SIP b) SIP/RTP c) ISUP over E1 3) M3UA over SIGTRAN Knowledge on working with Freeswitch/Asterix and IVR solutions Work experience on working on E1 and SIP/RTP call scenarios. Intereste...

I'm looking for someone with experience in React, who also understands Asterisk servers and JSSIP. I have an existing asterisk server that I connect to with a React phone client to make outbound and inbound calls. Everything was working fine, but I recently refactored my code to use Redux instead of Context. In doing so, now when I make outbound calls I get this error. [ERROR] JSSIP UA not initialized And when making inbound calls it says the number is not available. I can provide the old, working version of the code, and the new version that doesn't work. I just need someone to look at it and tell me what I'm doing wrong after converting to Redux. If you can help, please include the word "briefcase" in your bid so I know you've read the descr...

Creazione di un software che da un lato dialoghi tramite AMI (Asterisk management interface) con un centralino e dall'altro in base a delle condizioni impostabili, invii del messaggi tramite un gateway whatsappa già pronto chiamato che permette di inviare (pagando) messaggi illimitati tramite WhatsApp. inoltre questo software deve poter inviare dei messaggi anche da una lista di numerazioni che gli si fanno caricare.

I need a competent professional to smoothly facilitate the migration of my MSSQL 2019 database to a new server. Additionally, the ownership of SQL Management Studio must be changed effectively. Key job responsibilities: - Safe and efficient migration of the MSSQL 2019 database to a new server - Successfully transfer ownership of SQL Management Studio Ideal Skills and Experience: - Proven expertise in MSSQL 2019 and prior versions - Proficient in handling SQL Management Studio - Experience in successful database migration projects - Detail-oriented in project proposals Please note that only freelancers providing detailed project proposals will be considered. Your proposal should demonstrate your understanding of the project requirements as well as how you intend to ...

We are looking for consultants - Consultant preferred from India. 1) Consultant - SRP Experie...Webservices, Websockets WebRTC (in the context of SCF and SRF) ISUP over SS7 Experience in Dialogic API for SS7 and INAP Experience in using JSS7 API from RestComm or it's variant of Mobius JSS7 or any of the varient IVR implementation with Freeswitch on SS7 Knowledge and work experience on YATE SS7 implementation. Anyone with following expereince and skills also may apply Consultant - CRBT worked in CRBT and similar products Having knowledge in the following protocols a) INAP over SIGTRAN/SIP b) SIP/RTP c) ISUP over E1 3) M3UA over SIGTRAN Knowledge on working with Freeswitch/Asterix and IVR solutions Work experience on working on E1 and SIP/RTP call scenarios. Intereste...

...with Nice Incontact IVR system to improve my current setup. - Simplify Call Flows: We currently have 10-20 call flows which need to be simplified to enhance customer experience and boost efficiency. - Voice Recognition Improvement: The system's voice recognition capabilities need upgrading to ensure a seamless communication process for customers calling in. - Application Integration: The final task would involve the integration of the IVR system with other applications to optimize functionality. The ideal candidate should have proven experience with Nice Incontact, call flow design, voice recognition technology as well as system integration. Understanding of customer service operations will also be an added advantage. Your job will be to streamline and optimize ...

As an experienced tech professional, I'm seeking someone who can assist me with setting up a SIP trunk with VoIP Unlimited, and also configuring VoIP extensions for users on my existing Asterisk server. Key Requirements: - Detailed knowledge of Asterisk server - Expertise in SIP trunk setup in VoIP Unlimited - Skills in configuring VoIP extensions for users Your role will be crucial in the success of this part of the project, and will demonstrate your understanding of Asterisk servers and VoIP functionalities. A proven track record in this type of project will be advantageous.

We are looking for consultants - Consultant preferred from India. 1) Consultant - SRP Experie...Webservices, Websockets WebRTC (in the context of SCF and SRF) ISUP over SS7 Experience in Dialogic API for SS7 and INAP Experience in using JSS7 API from RestComm or it's variant of Mobius JSS7 or any of the varient IVR implementation with Freeswitch on SS7 Knowledge and work experience on YATE SS7 implementation. Anyone with following expereince and skills also may apply Consultant - CRBT worked in CRBT and similar products Having knowledge in the following protocols a) INAP over SIGTRAN/SIP b) SIP/RTP c) ISUP over E1 3) M3UA over SIGTRAN Knowledge on working with Freeswitch/Asterix and IVR solutions Work experience on working on E1 and SIP/RTP call scenarios. Intereste...

Desarrollo y mantenimiento aplicaciones asp.net C# y MSSQL

I am looking a Laravel 11 expert who also have hands on experience working with Microsoft ODBC connection to connect to MSSQL using something similar to bulk copy to update You need to help me acheive this single task via anydesk/teamviewer

I need an expert in MSSQL to optimize two stored procedures for faster execution and merge the results into a single table. This new table should include only specific columns from the original stored procedures. Specific Requirements: - Optimize both stored procedures for faster execution - Merge the results into a single table - Include only specific columns from both stored procedures Skills: - Proficiency in MSSQL - Experience with stored procedure optimization - Strong data manipulation skills Please provide your insights on how you plan to execute this project and the estimated time frame for completion.

We are looking for consultants - Consultant preferred from India. 1) Consultant - SRP Experie...Webservices, Websockets WebRTC (in the context of SCF and SRF) ISUP over SS7 Experience in Dialogic API for SS7 and INAP Experience in using JSS7 API from RestComm or it's variant of Mobius JSS7 or any of the varient IVR implementation with Freeswitch on SS7 Knowledge and work experience on YATE SS7 implementation. Anyone with following expereince and skills also may apply Consultant - CRBT worked in CRBT and similar products Having knowledge in the following protocols a) INAP over SIGTRAN/SIP b) SIP/RTP c) ISUP over E1 3) M3UA over SIGTRAN Knowledge on working with Freeswitch/Asterix and IVR solutions Work experience on working on E1 and SIP/RTP call scenarios. Intereste...

...significant experience in setting up and configuring Amazon Web Services (AWS) Relational Database Service (RDS) for my MSSQL server. Or who can guide me to process with Google Cloud SQL. Key Details: - Database Size: The anticipated database size is medium, ranging between 10GB to 100GB. - Cloud Platform: The preferred cloud platform for this project is AWS. The project may require setting up several AWS features, however, I am unsure at the moment about the accessibility features needed. An ideal candidate for this project should be highly experienced in AWS, be capable of advising on the best setup to optimize performance, and have a strong understanding of MSSQL. Any expertise advising on high availability and load balancing would be a plus, given that these c...

I have installed FreePBX - distro install. - My extension is registering fine. - When I call another extension, call rings but there is no audio - When I call external number, call rings but there is no audio Error message on Asterisk interface is: [2024-04-05 04:17:09] NOTICE[2335]: res_pjsip_sdp_rtp.c:145 rtp_check_timeout: Disconnecting channel 'PJSIP/1011-0000000b' for lack of audio RTP activity in 30 seconds SIP NAT is enabled Firewall is disabled SIP NAT Settings > External Address > Public IP Address is added I need someone to check this over Anydesk & fix this issue. Budget: $50

Hello, 1: you will create aspx webpage, and load data from mssql table to gridview with paging. 2: when user check some checkboxes, and enter value in textboxes and click on a button, it will store those values in session and save in database table. 3: when user enter some values in page 1 or anyother page and go to next page like page#2 and come back to page#1, the values he entered must show and not loss. Note: has the gridlayout. ischecked and grosspremium are editable checkbox and textbox I included the vb code as well in endorsements-vb The datasource contains 86 rows and attached as excel.

I'm in a hurry and need someone to install pdo_sqlsrv and mssql on my Laravel project within the shortest possible time. I'm using Linux as the OS for my Laravel project and I need support for PHP 8.3. This is urgent and I'm looking for a professional who can get this done speedily without compromising on quality. Ideal Skills: - Proficient in Linux system administration - Strong experience with Laravel framework - Expertise in PHP 8.3 - Prior experience with pdo_sqlsrv and mssql installation - Ability to work under tight deadlines If you have the above qualifications and can deliver high-quality results quickly, I'd like to hear from you.

We are looking for an engineer proficient with Raspberry Pi, as we are in need of developing a VoIP PBX system on a Raspberry Pi 3 Model B+ . The end goal includes the integration of specific features into the system such as: - Call Recording - Voicemail to Email - Conference Bridging - Additional bespoke features Your expertise should include not only Raspberry Pi but also Asterisk and RASPBX/FreePBX. We are aiming for a robust, stable, and user-friendly system with custom features tailored primarily to business needs. The successful contractor will be required to develop the system on his own Raspberry Pi and submit an IMG file for loading onto other Raspberry Pis. The successful contractor will be working with our software developers so bids from individual contractors only w...

Necesito ayuda con la configuración de mi Asterisk, ya que no soy capaz de recibir el DTMF, con la opción que selecciona el usuario, tras escuchar la locución de la IVR. He intentado transcodificar la señal, y aplicar diferentes configuraciones, y codecs sin éxito.

I'm urgently looking for a skilled professional to quickly handle an IVR-related task for me: - Make IVR calls to 120 different cell phone numbers delivering specific information. Experience in both script writing and call routing configuration is appreciated, although not mandatory. The swift initiation and completion of calls is paramount to this project. Therefore, the ideal freelancer will demonstrate adeptness in utilizing any form of IVR system, be it traditional PBX, cloud-based, or hybrid system. Please note that this project is time-sensitive and needs to be started and finished ASAP. Your adaptability and readiness to start immediately will be highly regarded.

I'm looking for a developer TO CREATE web applications using ASP.NET Core API, React, and MSSQL. Here are the key functionalities this project entails: BACKEND: a RESTful API using ASP.NET Core. - User registration and login system. Users should be able to easily create an account and login. and develop endpoints for: User authentication (signup, login, logout) using JWT tokens CRUD operations for managing books (create, read, update, delete) Searching books by title, author, genre, etc. Handling user orders and transactions 3 .Integrate an MSSQL database to store user information, book details, and orders. - Book browsing and search capabilities. The application must present an intuitive interface where users can browse books and search by title, author, genre

I'm looking to build a online b...utilizing ASP.NET Core API, React frontend,Mvc, and MSSQL database. The application should possess main features which include: - User registration and login - Product search and listing - Shopping cart and checkout The application will incorporate different user roles and permissions: - Administrators with full access - Other users with appropriate limited access. To be successful in this job, Freelancers should showcase their past work on related projects along with a representation of their comprehensive abilities. Your past experience in building comprehensive, user-friendly online applications will be invaluable as you implement these essential features. Note- My project is almost ready but i am stuck with the connection of Mssql...

looking FreeSWITCH and ASTPP developer customise billing solution and Customer Management more details please disucss here Who can send request here 5+ years of industry experience in developing, deep knowledge PBX and Sip server SIP Development experience. Must be aware of Sip and webrtc integration. VOIP software development. Good Knowledge in PBX, SIP, RTP protocols. Worked on Queue, IVR and Voicemail related applications