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!From 27,521 reviews, clients rate our VoIP Developers 4.81 out of 5 stars.
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I want to send DTMF*1 after 5 sec of (incoming) call gets connected to vicidial. After sending DTMF keep call connected for 1.2 minutes and then drop the calls. Please Note: will not negotiate on price after you have done bidding, your bidding price will be final price.
I am looking for an AI telephone service that can perform the following tasks: Make a phone call, recognize and answer prompts, enter data into prompts, answer both by sending sound tone of pressing buttons, as well as using voice to answer prompts, recognize when a live operator has connected and to tell them what this call is about and answer any personal details and verify that they are the right person that we need to connect to and connect the person to the operator in real time. The ideal candidate will be able to develop an app that uses AI to make customer service calls and connect to live operators. You must have experience building similar apps and own code that does something similar and where you have built something similar already.
I want expert here , my kamailio in 60 sec sending ack for supplier if no reply within 60 seconds kamailio or freeswitch is hang up calls , I don't want my kamalio to hangup any call unless customer did hangup or supplier
Currently I am using VOS3000 Latest Version, I need to be taught how to use it. My client will connect to the VOS3000 using IP and register. and the VOS3000 will set the Route for each client to the Operator's SIP CID. either use one CID or Random CID (Roundrobin, multiple SIP Operator Destination) and set each DID from the SIP Operator to each Client. and how to use a gateway that connects to several SIP providers. and how to use other features on vos3000. a brief overview as in this image.
I am in need of a freelancer who has experience in configuring Avaya IP phones, specifically the Avaya ipv500l. The project involves making specific configuration changes to the phones, including VoIP settings, user profile settings, and network settings. I require someone who can handle the end-to-end configuration of the phones, ensuring that all settings are properly adjusted. It is important that the freelancer has knowledge of Avaya IP phone systems and is proficient in configuring them. The project involves configuring more than 10 Avaya IP phones, so the freelancer must be able to handle a larger quantity of devices. Timeliness and attention to detail are crucial. Ideal Skills and Experience: - Experience in configuring Avaya IP phones, particularly the Avaya 9608 model - Knowle...
Hello, I want to work with WhatsApp, the solution should be a web page application based on sip+webrtc.1: User A make a call to whatsapp 2: Wahatsapp receive a text message 3: User A receive ringback 4: Whatsapp click on link and establish the video call are you able to do something like that Regards
mid-register support / Dynamic Routing / Dialplan manipulation we require someone to review our setup... setup TLS / mid-register support / Dynamic Routing / Dialplan manipulation etc. Needs the ability to work Eastern Standard Time hours for supporting us and our clients
I am looking for a freelancer who can help me with the configuration of a Dinstar UC2000-VE device for SIP Trunking TO 3CX. Project Requirements: - Configuration of a Dinstar device for SIP Trunking - Integration with an existing PBX system - Configuration of a single Dinstar device Ideal Skills and Experience: - Experience with Dinstar configuration for SIP Trunking - Knowledge of PBX systems and their integration with Dinstar devices - Proficiency in network configuration and troubleshooting If you have the necessary skills and experience, please provide your proposal for this project.
I am looking for a freelancer to deploy Kamilio for our existing business. Our current server infrastructure is on-premise. We will need minimal support post-deployment, including bug fixes and small changes. Ideal Skills and Experience: - Experience with Kamilio deployment - Proficiency in server infrastructure management - Strong troubleshooting and bug fixing capabilities
Project Description: I am looking for a freelancer who can assist me with setting up and integrating SIP calls to WhatsApp call conversion. Requirements: - Familiarity with setting up SIP servers on Linux operating systems - Experience in integrating SIP calls with WhatsApp call conversion - Knowledge of the technical aspects involved in setting up and integrating SIP calls - Ability to troubleshoot and resolve any issues that may arise during the setup and integration process Skills and Experience: - Proficient in Linux operating systems - Strong understanding of SIP servers and client software - Experience in integrating SIP calls with messaging platforms such as WhatsApp - Excellent problem-solving and troubleshooting skills If you have the necessary skills and experience in sett...
We use Asterisk PBX along with Free PBX using SIP Protocol. We would like a developer to integrate Whats App calls to our PBX System. Either directly by configuring the Gateway on the PBX itself or as a trunk which is piped from an Android Phone (in this case the phone will be ON and connected on WiFi) to receive and make calls and pipe it as a SIP trunk to our PBX. Requirements: Inbound and Outbound Calling. Caller ID must be passed on incoming calls. Ability to have more than one Whats App number to work simultaneously
I am looking for an expert who can help me with the configuration of my VOS3000 Softswitch. The specific changes I need include adding new routes, changing existing routes, and configuring billing settings. Skills and experience required: - Proficiency in VOS3000 Softswitch configuration - Strong troubleshooting skills - Knowledge of customer account settings I have the login credentials for the VOS3000 Softswitch, so you will have access to the necessary resources. This project is urgent and needs to be completed within 20 minutes. Budget for this is $10 so no need to quote if you want a payment above $10
I am looking for a freelancer who can help me with a project that involves converting SIP voice protocol and RTP audio to WhatsApp voice call. I am open to suggestions and have no specific requirements in mind. I do not have a preference for the programming language, so the freelancer can use either Java or Python, whichever they are more comfortable with. The deadline for this project is flexible, although it would be preferable if it could be completed in a timely manner. Ideal skills and experience for this job include: - Experience with SIP voice protocol and RTP audio - Knowledge of WhatsApp voice call integration - Proficiency in Java or Python programming language
I am looking for a freelancer who can integrate SIP to Whatsapp call functionality for both mobile and desktop platforms. The integration should include basic call functionality without any advanced or customized features. Standard security features, such as encryption, should be implemented for this integration. i need use android as voip gateway. inbound calls via sip protocol into outbound calls via WhatsApp Ideal Skills and Experience: - Experience in integrating SIP to Whatsapp call functionality - Proficiency in mobile and desktop application development - Strong understanding of security protocols and standards
Senior Call Agent (US Based) - Cold calling Preferred Location: US only Type of Calls: Cold calling Become a Key Link in International Presales with Handshakers Hi there, We might have a new challenge for you as a senior call agent. Join an innovative and dynamic team at our client's company, a leader in building cutting-edge digital platforms and robust web/mobile applications. As a key player in the industry, our client has established a strong partnership with MoMA, demonstrating a deep understanding of the intricacies of museums and cultural institutions. This is an exciting opportunity to be part of a company poised for expansion in the USA, contributing to the growth of a business that seamlessly blends technology and art to enhance the museum experience. If you are passio...
I am looking for a freelancer who can help me with port forwarding on my Genexis GPON Earth - 4222 router. Skills and Experience: - Experience with configuring port forwarding on Genexis GPON Earth - 4222 routers - Strong knowledge of router settings and access - Familiarity with port forwarding for computers - Proficiency in configuring standard ports such as 80 and 443 Project Scope: - The freelancer will assist me in accessing the router settings for port forwarding. - The goal is to configure port forwarding specifically for computers. - The required ports for forwarding are standard ports such as 80 and 443. If you have the necessary skills and experience, please reach out to discuss further details of the project.
**Project Description:** Hello! I'm looking for a knowledgeable individual based in the UK who can assist me in starting a VoIP service provider venture. I need guidance and expertise in setting up the infrastructure and initiating operations within the Asterisk PBX framework. **Key Deliverables:** - Consultation and guidance on establishing a VoIP service provider setup tailored to the UK market. - Configuration and setup guidance specifically within the Asterisk PBX framework. **Submission Requirements:** - Overview of previous experience in setting up VoIP service provider infrastructure or Asterisk PBX systems. - Proposed plan or strategy to assist in initiating the VoIP service provider setup. - Estimated timeline and pricing structure for consultation and support services. ...
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...