VoIP, otherwise known as Voice over Internet Protocol, is a digital solution for telecommunication that utilizes the transmission of voice through the use of data over the internet. This technology is typically adopted for both commercial and privately used applications. VoIP developers specialize in programming telecommunication systems using data transmission to provide efficient services for audio and video functions.
VoIP developers are highly sought after professionals as they can create a versatile and advanced system for both desktop and mobile devices. This can include creating a more interactive experience for customers with multi-way calls, conference calls, video conferencing and voicemail systems. VoIP developers can set up your business’s phone system such as forwarding calls remotely to other devices with extensions or even communicating with customers utilizing software like Callcentric, Flowroute or Voxbone.
Here's some projects that our expert VoIP Developer made real:
- Secured and configured private networks by implementing security measures like IP SLA, NAT and ACLs
- Integrating SIP trunks between billing platforms, PBXs and VoIP applications
- Setting up Postfix mail server on Linux systems with TLS authentication and encryption
- Installing and configuring sip telephony software like ASTPP into businesses
- Developing web applications that can send and receive SMS messages utilizing VoIP APIs
Our expert VoIP Developer have created numerous projects to help business owners manage their telecommunications in a professional bet. Our developer have an array of experience in creating a secure and reliable system customized to each client demands. If you're looking to improve or create your business’ communication system, then post your project today on Freelancer.com to hire one of our skilled professional VoIP Developers today!Conform celor 27,505 recenzii, clienții îi evaluează pe VoIP Developers cu 4.8 din 5 stele.
Angajează VoIP Developers
I am looking for a skilled professional to assist me with the installation and configuration of both a wired and wireless network. I require help with both the initial setup of a 2 ISP business configured with 4-5 VLANS. The network I need to be installed and configured is of medium size, with 11-50 devices: Vlan1 Ethernet business workstation and voip phone Vlan2 Ethernet residential for tv's, Ps5/xbox and AVR system Vlan3 Ethernet cameras and security system/alarm Vlan4 Iot some outside perimeter cameras/floodlights and smart home appliances. **NAS Raid 6 and meduum scale MFC business printer/fax/ copier that can be shared between Vlan1 and Vlan2. Installation of Firewall device, ubiquiti routers and switches, USG gateway and 2-3 AP's throughout building. Ideal Skil...
I am looking for a freelancer who can provide SIP, Asterisk, FreePBX, and Soft Client lessons with practical labs. My current knowledge level in these areas is beginner, and my main objective with these lessons is to prepare for a specific project or job. I prefer a hands-on learning approach with practical labs, where I can gain real-world experience and apply my knowledge. The ideal freelancer for this project should have advanced knowledge in SIP, Asterisk, FreePBX, and Soft Clients, as well as experience in providing practical labs for learning. Visual aids such as slides and diagrams can also be included to enhance the learning experience. FYI! I have CCNA certificate.
Require experienced developer to build WebRTC browser based call app with suitable frontend and backend technologies. DO NOT MIND TO APPLY FOR THIS JOB IF THIS IS YOUR FIRST PROJECT RELATED TO WEBRTC or Voip Applicants must show previous projects or will not be considered.
I am looking for a Cisco networking expert who can configure my Cisco 800 Router to function as a dual WAN failover system. The primary use of the router is for Internet with VPN connectivity. Details: - Currently the router is being used in production with 1 WAN configured and a VPN Client configured which connects to an off-premise external VPN Server. - When WAN1 is down, i need it to switch to WAN2 and make sure the VPN Client is connected too. Requirements: - Configure the router to have the 2nd WAN, when WAN1 is down, it will automatically switch to WAN2 and reconnect the VPN Client. - Ensure that the failover process has minimum/reasonable downtime. - Provide advice and recommendations on the best configuration for optimal performance. - Please keep in-mind that this needs to ...
hello, i have a mikrotik rb4011 router where i have a wan from isp on ether1 and a sip connect (without internet) on ether2. i need a config and correct routing on ether3 for pbx and config on ether4 for intern network and internet. you also can choose which router. maybe ccr2004 is the better one.
I am looking for a VoIP developer who can create a VoIP application for my project. The ideal candidate should have experience in developing VoIP applications with the following functionalities: - Call routing and forwarding - Call recording and monitoring - Voice recognition and transcription I have no specific requirements or preferences for the programming language to be used, so the developer can choose the most suitable language for the project. The VoIP application is expected to be used by: - Less than 100 users - 100-500 users - More than 500 users If you have experience in VoIP development and can fulfill the above requirements, please submit your proposal.
I am looking for a freelancer who can help me with a project involving an asterisk based system like free pbx. The specific features I need for the system include call forwarding, voicemail, and IVR (Interactive Voice Response). I have no specific requirements or preferences for the system, and I am open to suggestions from the freelancer. The deadline for this project is within a week. Ideal Skills and Experience: - Strong knowledge and experience with asterisk based systems - Proficiency in configuring call forwarding, voicemail, and IVR - Ability to suggest and implement best practices for the system - Excellent problem-solving skills and attention to detail - Timely delivery of project within the specified deadline
I am looking for an experienced IT telecom specialist to help me set up a business contact phone with call recording capabilities, where one Indian number would need to be alllowed to access by other team members on the shift basis for call answering and on whatsapp. All the calls and whatsapp conversations from one person attended should be made visible and accessible by the following team members who takes up after the first person shift of to the other parallel person who is also in the same shift. The ideal candidate should have expertise in the following areas: - Phone system setup - Call recording - Integration of existing infrastructure with the new system, specifically integrating my mobile connection If you have the skills and experience required for this project, please submit...
We are looking for someone to do "warm" call in order to get email or phone number of gatekeeper or set appointment. We manage meetings or closing calls. We need someone that get the first contact (spark interest) pass gatekeeper and give us gatekeeper number/email or set appointment/call back. It's for high ticket ecommerce, B2B, we target Property Management Companies and Resorts. EXPERIENCE IN REAL ESTATE IS A PLUS !
I am looking for a developer who can help me make a connection between my client and a specific SIP server using the PJSIP module and React Native. Preferred Skills and Experience: - Proficiency in working with the PJSIP module and integrating it with React Native - Experience in setting up and configuring SIP servers - Strong understanding of networking protocols and security measures - Familiarity with voice call functionalities and implementing them in mobile applications Project Requirements: - Connect the client's application to a specific SIP server of their choice - Implement basic security measures for the connection - Develop the application to support voice calls functionality If you have the necessary skills and experience, please reach out to discuss further details ...
I am looking for a freelancer who can help me set up an international VoIP service for my sales team. Here are the details of the project: VoIP Service Requirements: - I am specifically looking for an international VoIP service that will allow my sales team to make and receive calls globally. - The service should be able to handle more than 20 users, as I have a large sales team. - One of the key requirements is the ability to record calls for training and quality assurance purposes. Skills and Experience: - The ideal freelancer should have experience in setting up and configuring VoIP services. - Knowledge of international calling and routing protocols will be a plus. - Familiarity with call recording features and integration with CRM systems is desired. If you have the expertise and e...