VoIP Developers For Hire

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  • Hire altr

    altr

    Ukraine
    16 Reviews
    $25 USD/hr

    Top Skills: Asterisk PBX, VoIP, Linux, UNIX, MySQL

    - VoIP Expert with more than 7 years experience in FreePBX, Elastix, PBX in a Flash (PIAF) and other Asterisk-based systems. - A2Billing Expert (Installation, Administration, Customization) - Administering and configuring of PRI and FXO/FXS cards as well (Digium, Sangoma...) - Administering and configuring Mitel, C ...

    - VoIP Expert with more than 7 years experience in FreePBX, Elastix, PBX in a Flash (PIAF) and other Asterisk-based systems. - A2Billing Expert (Installation, Administration, Customization) - Administering and configuring of PRI and FXO/FXS cards as well (Digium, Sangoma...) - Administering and configuring Mitel, Cisco, Linksys, Yealink phones and softphones. Provisioning solutions. - Administering and configuring GSM Gateways: GoIP, Etel, OpenVOX... - ANTIBLOCK IP AND TRAFFIC COMPRESSION solutions for censored countries such as Pakistan, Iran, China... - Unix/Linux/Windows admin and script writer. - USB over IP solutions for Windows and Linux - Expert in Zabbix-based monitoring solutions. - Web Security Expert: security audits, ethical hacking... - Post-project support included as well!!! less

  • Hire jinlongwei

    jinlongwei

    China
    1 Review
    $30 USD/hr

    Top Skills: iPhone, Mobile Phone, Android, Objective C, iPad

    I am an individual mobile application developer with web development skills. Major platforms are iPhone, iPad and Android. Once your project is in urgent, please don't hesitate to contact me. My expertise. - iOS8 Swift programming - ObjC to Swift conversion - Android Programming (Android 2.1 ~ Android 5.1) - PhoneG ...

    I am an individual mobile application developer with web development skills. Major platforms are iPhone, iPad and Android. Once your project is in urgent, please don't hesitate to contact me. My expertise. - iOS8 Swift programming - ObjC to Swift conversion - Android Programming (Android 2.1 ~ Android 5.1) - PhoneGap CrossPlatform Programming - iOS/Android messaging, voice chatting, video call based on XMPP, SIP and RTP - iOS/Android CMS mobile solution development(joomla, drupal) - iOS/Android eCommerce mobile solution development(stripe,paypal) - iOS/Android photo&video app development(ffmpeg, gpuimage) - Rest, SOAP web service development - iOS/Android Cocos2d programming - Update to iOS8 features - VPS and Dedicated server administration Anytime, Anywhere, please contact me. Thanks less

  • Hire asadsethi

    asadsethi

    Pakistan
    5 Reviews
    $30 USD/hr

    Top Skills: Cisco, System Admin, Computer Security, Windows Server, Network Administration

    In last 5 years i have been working on variety of network products and have gained wide experience in Cisco,Juniper routers, switches and firewalls. i have been involved in design, configuration and troubleshooting of Network products. Routers: Cisco 2600 Cisco 2800 Cisco 3800 Juniper J Series Switches: Cisco C ...

    In last 5 years i have been working on variety of network products and have gained wide experience in Cisco,Juniper routers, switches and firewalls. i have been involved in design, configuration and troubleshooting of Network products. Routers: Cisco 2600 Cisco 2800 Cisco 3800 Juniper J Series Switches: Cisco Catalyst 2900 Cisco Catalyst 3500 Cisco Catalyst 3600 Cisco Catalyst 4500 HP 3500 HP 2500 Firewalls: Cisco ASA 5500 Series Juniper SSG Series Pfsense Zyxel Zywall USG Series WatchGuard XTM series Cisco RV Series Cisco PIX Cisco IPS 4200 Series less

  • Hire kingAsterisk

    kingAsterisk

    India
    1 Review
    $15 USD/hr

    Top Skills: Asterisk PBX, VoIP, SQL, Symfony PHP, Software Testing

    We are provides Desktop Management, Server Management, Network Management( Windows & Linux Both) & call center solutions with products ranging from Soft Predictive dialers to VoIP Gateways from VoIP minutes to Servers.. 1. Predictive Dialer on RENT(EMI) 2. Predictive Dialer with UNLIMITED MINUTES (COMBO PACK) 3. P ...

    We are provides Desktop Management, Server Management, Network Management( Windows & Linux Both) & call center solutions with products ranging from Soft Predictive dialers to VoIP Gateways from VoIP minutes to Servers.. 1. Predictive Dialer on RENT(EMI) 2. Predictive Dialer with UNLIMITED MINUTES (COMBO PACK) 3. PREDICTIVE DIALER with purchase mode 4. UNLIMITED VoIP A to Z Network & Call Center Solutions Asterisk * System Integration, from small office to carrier grade * Skype <-> SIP <-> Asterisk * Custom applications * Billing solutions * Auto / mass dialing solutions * Advanced AGI scripting A2Billing * Billing customization * Callback customization * CDR customization * IVR customization * Softphone Integration * Multi owner solution * Reseller solution * Clustering / Backup / Failover / Monitoring * Security / Hardening ViciDial * Complete configuration and customization for call centers * Inbound / Outbound strategies Call Shop * Complete configuration and customization for call shops * Asterisk-based easy-to-use solutions * Integration with traditional systems and equipment Trixbox / FreePBX / Elastix * Complete configuration * Customization GNU/Linux * I use Debian from year 2000 * SysAdmin * Webmaster * MySQL / SQLite DBA * RAID * Disaster Recovery * Custom monitoring and with Nagios * Open / Closed / Custom encryption * Security Manager Hardware * Digium * Sangoma * OpenVox * AudioCodes * Siemens * Gigaset * Panasonic * HP ProCurve Specialties Software Development, Server Management(Windows & Linux),Network Management,Configure DHCP,port forwarding etc for Windows & linux networks.Dialer Technical Support with VoIP Server Technical Support (All types of VoIP devices), VoIP Minutes Re seller with dialer. Social skills: excellent in team, individual,on-site or remotely, relaxed or under stress. Organizational skills: excellent with analyst duties,alone or in team,with project manager duties,with self-managed time or with magnetic badge. Installation Expertises in Asterisk, Freeswitch, vicidial, astercrm, A2billing, Free PBX, Elastic etc. IVR specialist in asterisk Advanced Dialplan in asterisk Useful and cost-effective phone management system planning & designing & installation Expertises in Digium, Sangoma, Openvox and other type of PRI & PSTN Card installation. Connecting Multiple Asterisk Server & Cloud Solution for asterisk Call centre setup using vicidial Advanced Voice broadcast system Training on Asterisk Advanced Call Recording Solution usi ng Asterisk Specialties Asterisk, Freeswitch, vicidial,A2billing, Free pbx, elastic, PRI & PSTN card installation, call centre setup, Advanced IVR, Cloud solution using asterisk, training on asterisk, voice broadcast etc. less

  • Hire zyryznet

    zyryznet

    Brazil
    1 Review
    $50 USD/hr

    Top Skills: Telecommunications Engineering, Asterisk PBX, VoIP, Linux, Wireless

    Working on consulting in VoIP Providers, including Large Operations, Telecom Operators Interconnection, Voice Gateways Equipment, Billing Platforms, etc.

    Working on consulting in VoIP Providers, including Large Operations, Telecom Operators Interconnection, Voice Gateways Equipment, Billing Platforms, etc. less

  • Hire mantumalakar10

    mantumalakar10

    India
    1 Review
    $8 USD/hr

    Top Skills: Software Architecture, Visual Basic, MySQL, PHP, VB.NET

    Hello ! I have experience of working in various Software project . I have knowledge in various languages and developing environment . And I can deliver you the best professionalism and product.

    Hello ! I have experience of working in various Software project . I have knowledge in various languages and developing environment . And I can deliver you the best professionalism and product. less

  • Hire Aurora100

    Aurora100

    Ukraine
    1 Review
    $30 USD/hr

    Top Skills: Shell Script, Microsoft, Windows Server, Software Architecture, System Admin

    Our company has more than 15-years of experience in providing IT services on the market. We have separate departments of system administrators and programmers. We serve both small companies as well as mid-sized companies with a branched structure distributed across the Europe, where we can set up a unified system o ...

    Our company has more than 15-years of experience in providing IT services on the market. We have separate departments of system administrators and programmers. We serve both small companies as well as mid-sized companies with a branched structure distributed across the Europe, where we can set up a unified system of IP telephony, database replication, communication between distributed nodes of Exchange Server up to fully developed business management systems and financial accounting. We provide comprehensive service and support to our clients in a few lines of support. For our clients we also can set up a reporting system to the backup system and use of Internet traffic. All maintained equipment of our customers are monitored by Zabbix servers and that allows us to quickly respond to incidents. We have a team of professional programmers who has extensive experience with such programming languages ​​and technologies such as: • .NET C #; PHP; C ++; Basis; VBA; Java • MICROSOFT SQL; MySQL • MVC; HTML 5; WPF; LINQ • 1C Bitrix; DotNetNuke (DNN); phpbb • Microsoft CRM • SPAM and Mail servers   All accounting work is carried out according to the standards described in the library ITIL v2 and ITIL v3, which implies a strict control and transparent reporting to our customers. We always ready, if necessary, to involve our additional specialists for the needs of our clients. less

  • Hire efreelanceproj

    efreelanceproj

    India
    1 Review
    $15 USD/hr

    Top Skills: Asterisk PBX, PHP, VoIP, Linux, MySQL

    I am asterisk engineer with 10 years experience in technology. Have good hands on Asterisk, IVR, Outbound Dialer, Clicktocall services. Professionally capable to deliver cost effective projects in Time.

    I am asterisk engineer with 10 years experience in technology. Have good hands on Asterisk, IVR, Outbound Dialer, Clicktocall services. Professionally capable to deliver cost effective projects in Time. less

  • Hire faarukk

    faarukk

    Bangladesh
    0 Reviews
    $25 USD/hr

    Top Skills: Mobile Phone, PHP, Software Architecture, Website Design, C# Programming

    I am a mobile App/Game, desktop software and web development . I have been developing Iphone/android Apps/Games , Web Apps for 6 years. You can see high skilled apps in my portfolios.I will work hardly for Good quality and service. I believe that my skills would be ideal for your project. My skill: - IPhone/Android ...

    I am a mobile App/Game, desktop software and web development . I have been developing Iphone/android Apps/Games , Web Apps for 6 years. You can see high skilled apps in my portfolios.I will work hardly for Good quality and service. I believe that my skills would be ideal for your project. My skill: - IPhone/Android App and Game - Web Site / Mobile web - C/C++/C#/PHP/ASM/Script - Reversing, Network, OS - VoIP, Video Conference - Linux less

  • Hire JackBradford

    JackBradford

    Colombia
    2 Reviews
    $45 USD/hr

    Top Skills: Asterisk PBX, Excel, Data Processing, Translation, Telemarketing

    We specialize in Spanish customer service, Asterisk PBX systems, Excel/VBA/Macros business tool creation, data entry, and English to Spanish translations. We look forward to serving you!

    We specialize in Spanish customer service, Asterisk PBX systems, Excel/VBA/Macros business tool creation, data entry, and English to Spanish translations. We look forward to serving you! less