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Top VoIP Freelancing Services

  • View Service Offered By Scopic

    Scopic
    Member

    VoIP Service

    Rutland, Massachusetts, United States

    1,296,219/year ·
    • VoIP
    • 3D
    • 3D Scanning
    • Augmented Reality (AR)
    • Blockchain
    • C#
    • C++
    • Cad
    • CUDA
    • DICOM

    Desktop Application Development

    Many applications are migrating to mobile and web, but a desktop solution might be the right choice for you. That is, if you need an app with state-of-the-art graphics or computer vision capabilities, an offline working mode, an embedded component in a turnkey solution, or just top performance in general. With Scopic''s high-quality and affordable desktop application development services, you can enjoy all the perks of having your custom desktop application with no fuss. The world is moving forwa... View more

  • View Service Offered By Athos technologies Pvt Ltd.

    Athos technologies Pvt Ltd.
    Member

    VoIP Service

    Delhi, Delhi, India

    23,960/year ·
    • VoIP
    • Asterisk
    • Audio Post Production
    • E-Commerce
    • Freepbx
    • Front End Development
    • Laravel
    • OpenSIPS
    • ReactJS
    • Sip

    VOIP dialer based on Asterisk !

    An entirely new web based dialer application work scope :- ? IVR editor développent ? Link to payment gateway ? Dashboard Payfac (admin of the payment gateway) ----------------- Chat report of minutes, call report of minutes and payments gateway are link for calulation of price. Price / minute ? Link Chat softphonewithwebsite chat ? Call Manager Drag and drop calls to transfer ? File maker pro integration for customers databasel ink to different sources :Asterisk reports, websites reports, pa... View more

  • View Service Offered By Zco U.

    Zco U.
    Member

    VoIP Service

    Oakland, California, United States

    113,397/year ·
    • VoIP
    • Android Development
    • Android Native App
    • App & Mobile Marketing
    • App & Mobile Programming
    • App Development
    • C#
    • Flutter
    • Game Development
    • iOS Native App

    iOS/Android Native Apps, React Native

    My Expertise: - iOS mobile/desktop application development - Swift Developer (Swift 5.0), Kotlin developer - iOS 13.1 Development, Android Pie (9.0), WatchOS/WatchKit Development - Autolayouts, Storyboard - Bluetooth communication - MapKit Framework - Video/Text/VOIP communication, - In app purchase/Apple Pay, Mapkit, Social Media Integration: Facebook/Twitter/ Google/Instagram & LinkedIn- HealthKit- GoogleFit, SQLite/CouchBase/Realm database integration and etc. View more

  • View Service Offered By Ogma Conceptions

    Ogma Conceptions
    Member

    VoIP Service

    Kolkata, West Bengal, India

    89,054/year ·
    • VoIP
    • Content Management
    • Content Management System (CMS)
    • CSS
    • Design
    • Drupal
    • HTML
    • HTML5
    • Joomla
    • jQuery

    Mobile responsive website

    Exclusive mobile responsive and Tab responsive website with attractive and unique layout. Website will be all major browser compatible and mobile device compatible. We are expert in twitter bootstrap framework for mobile friendly design.The pages will be responsive to all major devices.When a website is responsive, the layout and/or content responds or adapts based on the size of screen they are presented on. A responsive website automatically changes to fit the device you're reading it on View more

  • View Service Offered By Shalini Gupta

    Shalini Gupta
    Member

    VoIP Service

    Bangalore, Karnataka, India

    69,795/year ·
    • VoIP
    • App & Mobile Programming
    • App Development
    • CSS
    • Mobile Development
    • MongoDB
    • Node.js
    • Responsive Web Design

    Mobile App developement

    Developed several apps based on Social media, building management, eCommerce, financial domain, eLearning etc. Our developers are capable in taking care of backend and front end both. SKILL SET: ? React Native ? React JS ? ionic/capictor ? Apollo Client ? Redux ? GraphQL ? SCSS & CSS ? HTML ? Node Js ? Mongodb ? AWS View more

  • View Service Offered By 🏆 Leonardo Galbo

    🏆 Leonardo Galbo
    Member

    VoIP Service

    Alcamo, Sicilia, Italy

    23,640/year ·
    • VoIP
    • AngularJS
    • CodeIgniter
    • Engineering
    • JavaScript
    • Laravel
    • Marketing
    • Node.js
    • PHP
    • Software Development

    Laravel Websit Development

    I am very passionate about software engineering. I have been working as a PHP and JavaScript developer for about 10 years and I have been all over the board - e-commerce, marketing automation, transportation, hosting, cryptocurrencies, VoIP, video streaming, and many others. I have also worked for some big, nationally recognized, names. I have been assuming leading roles in many organizations. I have been responsible for instituting process, conveying technical matters to investors and stakehold... View more

  • View Service Offered By proseigner

    proseigner
    Member

    VoIP Service

    Edmonton, Alberta, Canada

    36,983/year ·
    • VoIP
    • Android
    • App Developer
    • CentOS
    • DevOps
    • Lamp Stack
    • Linux
    • PHP
    • JavaScript
    • 3D

    Programming

    I am a developer based in Edmonton, Canada. I contribute to financial and non proprietary related software (open source). I have helped teams develop and maintain integrations across on-premise and cloud based servers. I have over 7+ years of experience developing high value code. please get in touch with my to learn more about how i can possibly help you in your next project. http://github.com/nadirhamid View more

  • View Service Offered By IXOBIT (DBA HireRussians, Sibers)

    IXOBIT (DBA HireRussians, Sibers)
    Member

    VoIP Service

    Novosibirsk, Novosibirsk, Russian Federation

    9,710/year ·
    • VoIP
    • .NET
    • Application Development
    • Asterisk
    • C
    • C#
    • Cocoa
    • ERP
    • FFmpeg
    • Financial Services

    Desktop Development (Unix, Mac OS, Win)

    During the last 17 years HireRussians have successfully delivered 200+ custom desktop solutions, dramatically simplifying and accelerating our clients’ work-flow. Our core expertise covers wide range of industries: from banking and financial services to media and hospitality. HireRussians team is proficient in both time-tested and most recent technologies, including C, C++, C#, .NET Framework, Java, Qt, OpenGL, FFmpeg and VoIP (Asterisk). Once we have developed an end-to-end .NET-based system, a... View more

  • View Service Offered By Naveed Ur Rehman1

    Naveed Ur Rehman1

    VoIP Service

    Islamabad, Islamabad, Pakistan

    675/year ·
    • VoIP
    • A2Billing
    • Asterisk
    • Bash
    • Billing
    • CentOS
    • Database Servers
    • Elastix
    • Firewalls
    • Freepbx

    Asterisk,Voip and IT Expert

    I am having 6 years plus experience in asterisk, VoIP, A2billing ,Freepbx,Elastix, Vicidial/Goautodial Contact Center, KAZOO,PHP frameworks like Codeignitor Freeswitch, Kamailio SBC and bluebox setup and troubleshooting. I am also expert in Linux servers including Ubuntu, Centos and opensuse based products. I can work on linux firewalls, web servers, mysql database servers and other day to day linux related jobs, View more

  • View Service Offered By Mohammad.

    Mohammad.

    VoIP Service

    cairo, Ash Sharqiyah, Egypt

    298/year ·
    • VoIP
    • API
    • App Development
    • Billing
    • C#
    • C++
    • Computer Engineer
    • Computer Graphics
    • Database Development
    • Embedded Development

    VoIP, PBX server, Softphone soultion

    Build VoIP server with billing system and develop softphone and all kind of VoIP application on Windows, Linux and cross mobile platform. Create Softphone Create Datacenter Add VoIP to database application add VoIP to Games Secure datacenter to get result of query by phone Free Inbound Calls to Local and Mobile Numbers. Low Per-minute Fees for Outbound Calls View more

  • View Service Offered By bhrugu mehta

    bhrugu mehta

    VoIP Service

    Ahmedabad, Gujarat, India

    130/year ·
    • VoIP
    • A2Billing
    • Asterisk
    • Billing
    • Freepbx
    • FreeSWITCH
    • International Business
    • Lua
    • Module Design
    • Office Assistant

    VoIP development

    I have been working on VoIP fields since last 12 years and developed many projects. VoIP Projects Developed: Skills: * Asterisk, Freeswitch, FreePBX,FusionPBX, OpenSips,A2billing customisations. * Asterisk - C module development * Asterisk - Dialplan programming * Freeswitch - XML dialplan programming, Lua/Python script programming * Opensips - Script programming View more

  • View Service Offered By Heni Dhakouani

    Heni Dhakouani

    VoIP Service

    Tunis, Tunis, Tunisia

    • VoIP
    • Asterisk
    • CRM
    • Information Technology
    • Linux
    • Red Hat Linux

    Asterisk Voip

    Inge Voip and Asterisk, crm, IT, linux, Redhat, vicidial vicibox, install, admin database. Inge Voip and Asterisk, crm, IT, linux, Redhat, vicidial vicibox, install, admin database. Inge Voip and Asterisk, crm, IT, linux, Redhat, vicidial vicibox, install, admin database. Inge Voip and Asterisk, crm, IT, linux, Redhat, vicidial vicibox, install, admin database. View more

  • View Service Offered By GTA Network Consulting

    GTA Network Consulting

    VoIP Service

    Toronto, Ontario, Canada

    Past Earnings
    • VoIP
    • Asterisk
    • Freepbx
    • OpenSIPS
    • Sip
    • trixbox
    • VICIdial

    VOIP System Consulting

    I have a work experience in R&D department of a large Canadian hosted VOIP provider for over 5 years. In addition to my day job, I have extensive freelance experience in various Asterisk-based system support/implementation (such as FreePBX, Trixbox, AsteriskNOW, PBX-in-a-Flash PIAF, Vicidial autodialer systems etc..) I have completed voip installs in various requirements for high-volume and high-available scenarios View more

  • View Service Offered By Sergei Lavrov

    Sergei Lavrov

    VoIP Service

    Moscow, Moscow, Russian Federation

    • VoIP
    • Asterisk
    • FreeSWITCH
    • H.323
    • Kamailio
    • OpenSIPS
    • Sip
    • WebRTC

    Senior VoIP Engineer

    Experienced Senior VoIP Engineer with over 10+ years of experience in VoIP. Strong knowledge on VoIP: Technologies I use: · VOIP: SIP, H.323, Kamailio, OpenSIPS, rtpengine, rtpproxy, SEMS, FreeSWITCH, Asterisk, GnuGK, cgrates, A2Billling, ASTPP · DATABASES: PostgreSQL, Redis, MongoDB, MySQL · LANGUAGES: Golang, Python, C/C++, JavaScript, pl/PGSQL, pl/SQL, pl/C · FRAMEWORKS: go-kit, Angular, Angular Material · DEVOPS: Kubernetes, Docker, Amazon Web Services (AWS), Google Cloud Platform (GCP), Mi... View more

  • View Service Offered By amjad_insq

    amjad_insq

    VoIP Service

    Lahore, Punjab, Pakistan

    • VoIP
    • App Development
    • International Business
    • Node.js
    • Phone Support
    • Short Stories
    • Sip
    • Voice-Over
    • C++
    • PostgreSQL

    Voip App Services, Voip Calls

    Voice Over Internet Protocols or VOIPs for short are a technology that enables users to make voice calls over an internet connection as opposed to a regular phone line. VOIPs are necessary if you want your app to make a call without leaving the app. Through VOIP app , we can make international call with very cheep call. View more

  • View Service Offered By asterivoip

    asterivoip

    VoIP Service

    ghaziabad, Uttar Pradesh, India

    Past Earnings
    • VoIP
    • A2Billing
    • Android
    • Android Development
    • Asterisk
    • Billing
    • Design
    • Email
    • Freepbx
    • iOS

    Asterisk,php,voip,A2Biling,android,IOS

    I have more than 7 years of experience in asterisk,linux,php,voip and a2billing. Mobile VoIP Diallers My key skills are Android,, IOS applications, asterisk,freepbx,php,linux,mysql,voip,agi scripting, ivr design etc.I have done various projects like Callshop,A2Billing,Android development,sms callback email callback,Custom AGI Scripts,IVR development. View more

  • View Service Offered By Andrey Golovan

    Andrey Golovan

    VoIP Service

    Kiev, Kiev, Ukraine

    • VoIP
    • Architecture
    • CCDA
    • CCNA
    • CCNP
    • Cisco
    • Design
    • Video

    Cisco Certified VoIP Professional

    Senior VoIP deployment specialist, certified by Cisco Certifications: Cisco Certified Network Professional Voice (CCNP Voice) Cisco Certified Network Associate (CCNA) Video Cisco Certified Design Associate (CCDA) Cisco Collaboration Architecture Design Specialist Cisco Unity Support Specialist Unified Communications Certification Implementing Cisco Unity Connection View more

  • View Service Offered By Mikhail Lastochkin

    Mikhail Lastochkin

    VoIP Service

    Samara, Samara, Russian Federation

    • VoIP
    • 3cx
    • Analog Circuit Design
    • Asterisk
    • Cisco Phones
    • Elastix
    • Firewalls
    • Freepbx
    • FreeSWITCH
    • Grandstream

    Asterisk VoIP FreePBX PBX SIP 3CX PABX

    Asterisk VoIP FreePBX 3CX FreeSwith Issabel SIP FusionPBX PBX Kamailio VoIP Asterisk, 3CX, Issabel, Elastix, FreePBX, FreeSWITCH, FusionPBX, Kamailio, OpenSIPS, OpenSER, FXO, FXS, E1, T1 SS7 ISDN - my main job. Skilled network administrator with 25 years of practice. More than 500 PBX installed, more than 200 VOIP projects released. Asterisk administrator, with 10 years of providing Asterisk-based solutions View more

  • View Service Offered By davidaldridge

    davidaldridge

    VoIP Service

    Humble, Texas, United States

    Past Earnings
    • VoIP
    • Asterisk
    • Cisco
    • Cisco iOS
    • Cisco VoIP
    • Firewalls
    • iOS
    • Ipsec
    • MikroTik
    • Nagios

    Networking, Firewalls, Security, VOIP

    Configuring Cisco IOS switches and routers for security and QOS, configuring RouterOS on mikrotik switches and routers for security and QOS, configuring Sonicwall routers for security and QOS, configuring IPSec VPN connections, configuring SSL VPN connections, configuring L2TP connections, extending layer 2 networks over WAN, VLAN configuration, Cisco VOIP configuration, Asterisk VOIP configuration, network monitoring, nagios, solarwinds View more

  • View Service Offered By Andy Glover

    Andy Glover

    VoIP Service

    Camborne, Cornwall, United Kingdom

    • VoIP
    • Asterisk
    • Avaya
    • Linux
    • Networking
    • osCommerce
    • Telephone Systems
    • Unify

    VoIP, Telecoms, Asterisk, Avaya,

    I am a VoIP and Telecoms guru with over 18 years experience in the industry. My speciality is VoIP and have designed and implemented solutions for major ITSP's across the globe. I am accredited on most major manufacturers telephone systems (Avaya, Siemens, Unify, Shoretel, Panasonic, etc) and am also a networking and IT expert. View more

See All VoIP Freelancing Services

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How VoIP Professionals Can Help You

Voice over Internet Protocol (VoIP) also known as IP telephony is a method of delivering multimedia sessions or voice communications through internet protocol (IP) networks. It can also be referred to as phone service over the internet. VoIP working principles involves signaling, encoding, digitization of voice signals and channel set up, just like the traditional system of telephony. The audio is encapsulated into packet data before it’s transmitted to the other end where packets are reversed to audio and delivered. The major difference between VoIP and a network-based mechanism is that VoIP does not ensure that packets are not lost or delivered sequentially according to the order. The quality depends on the internet connection speed.

The use of VoIP will reduce the monthly cost of phone calls through a network-based mechanism for every business. VoIP is the solution to deliver a unified communication service for all form of communication such as voice mail, faxes, phone calls, Web conference, etc. It ensures a more discrete platform and reduces the cost for infrastructure since all communications are enabled through a single network. VoIP is easier to maintain because the devices are fewer. Most businesses who have adopted VoIP using programs like Skype enjoy free connections between all staff and the prices for extensions in VoIP are lower than any connection using any other system including PBX. Hire a freelancer from Guru with industry leading experience in VoIP in the location you want and at the price that’s right for you.

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