VoIP Developers For Hire

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แสดงผล 68 รายการ
  • ว่าจ้าง     RafimKs
ว่าจ้าง     RafimKs

    RafimKs RafimKs

    India $40 USD / ชม.
    Expert System, Network & VOIP Administrator
    India
    5.5
    34 รีวิว 34 รีวิว $40 USD ต่อชั่วโมง
    Top 1% in the Freelancer.com Community. I am excited to offer 12 years of solid experience in Physical & Virtual Server & Networking Platforms, System Administration, Network Administration,Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your...
    Top 1% in the Freelancer.com Community. I am excited to offer 12 years of solid experience in Physical & Virtual Server & Networking Platforms, System Administration, Network Administration,Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your business: - Microsoft(Active Directory, DNS,DHCP, RDS,SQL Server(DB Admin),SharePoint, - Hyper-V, Exchange(All Versions &O365)Azure) - VMWare (ESXi, VCenter) - Citrix (XenApp, XenCenter) - Antivirus(Symantec(SEP),Mcafee(EPO),Kaspersky) - Linux (Ubuntu, CentOS,Debian) - Cloud(MS Azure,AMAZON AWS ,Google GCP,OVH and Digital Ocean) - Storage(Synology,QNAP,FreeNAS,WD,Dell and HP) - VOIP ( Avaya,3CX,Yeastar,XCally,GrandStream & FreePBX) - Firewalls (Fortinet, Sonicwall, Sophos, ASA,WatchGuard&PFSense) - Routers (Cisco, Ubiquiti) - Servers (HP Proliant Servers) & (Dell/EMC Servers) I am happily available anytime using secure remote support or walk you through the steps via Freelancer chat .I am looking to show each client my worth to build a long relationship. Get started by clicking on "Hire Me" ย่อ
  • ว่าจ้าง RafimKs
  • ว่าจ้าง     fusionitech
ว่าจ้าง     fusionitech

    fusionitech fusionitech

    India $25 USD / ชม.
    OTT / IPTV, Mobile & Web Application Specialist
    India
    3.4
    1 บทวิจารณ์ 1 บทวิจารณ์ $25 USD ต่อชั่วโมง
    Hi there! I am Bhaskar, founder of Fusioni Technologies Private Limited, Noida, India (www.fusionitechnologies.com) since 2012. I have a bachelor's degree in Physics, followed by master's in Computer Application & MBA. My education and 15+ years of work exp made me a master in this area. I also have a skilled,...
    Hi there! I am Bhaskar, founder of Fusioni Technologies Private Limited, Noida, India (www.fusionitechnologies.com) since 2012. I have a bachelor's degree in Physics, followed by master's in Computer Application & MBA. My education and 15+ years of work exp made me a master in this area. I also have a skilled, problem-solving, quick response team to support my passion for development. We have worked for the clients from USA/Europe. Our areas of expertise are - 1. TV Apps - Roku - Fire TV App - Tizen TV App - Apple TV App - Android TV App 2. Mobile Apps - iPhone App - Android App 3. Web Development - Zend - Laravel - Magento - WordPress - MySQL & PostgreSQL 4. Designing - Bootstrap - Prototype Design - Responsive Web Design I am always interested in making long term relationships with clients to ensure every project becomes successful. You will have no trouble regarding time, quality & honesty. If you hire us, I can assure that you will not regret your decision. Good day! ย่อ
  • ว่าจ้าง fusionitech
  • ว่าจ้าง     Erewin
ว่าจ้าง     Erewin

    Erewin Erewin

    Russian Federation $30 USD / ชม.
    Voip developer
    Russian Federation
    6.6
    59 รีวิว 59 รีวิว $30 USD ต่อชั่วโมง
    Hello, my friends! There are what i have done in this 2019-2020 year. 2020: ☑ Ready autodialer based on Issabel in 1 hour with forms and reports. ☑ Ansible script for deploy drachtio and simple JS app ☑ Email2Fax gateway ☑ Webrtc client with web frontend based on SIPJS. ☑ Customize Asterisk for License checking....
    Hello, my friends! There are what i have done in this 2019-2020 year. 2020: ☑ Ready autodialer based on Issabel in 1 hour with forms and reports. ☑ Ansible script for deploy drachtio and simple JS app ☑ Email2Fax gateway ☑ Webrtc client with web frontend based on SIPJS. ☑ Customize Asterisk for License checking. Written on C inside source files. 2019: ☑ Webrtc2sip server with Encrypted RTP ☑ Callback + AMD based on FreePBX ☑ click2call php script for Asterisk based PBXs ☑ deploy opensips server (with web panel) with 200cps\6000 concurrent calls ☑ deploy zabbix monitoring system for voip servers ☑ Increase disk space on VM without power off ☑ Moving VMs between ESXI hosts ☑ Colored fax on Hylafax+ ☑ Raspberry Bluetooth Asterisk voip\gsm gateway, ☑ Voip Push Notification iOS, Android ☑ Bluetooth-Asterisk-GSM Gateway, ☑ SIP Load-Balancers Between, ☑ TLS SIP Implementation, ☑ Freepbx Survey module, ☑ Whitelist Kamailio sip server for millions numbers in db, ☑ AGI -> PAMI scripts convert to make server more faster for wholesale, I am voip developer who loves his job. Be free to ask me any question. ย่อ
  • ว่าจ้าง Erewin
  • ว่าจ้าง     mula9211
ว่าจ้าง     mula9211

    mula9211 mula9211

    Ukraine $20 USD / ชม.
    I have excellent skills in developing VOIP systems
    Ukraine
    6.0
    42 รีวิว 42 รีวิว $20 USD ต่อชั่วโมง
    I have provided a wide range of IT solutions including VoIP Software, Websites & Mobile Apps development for small businesses and start-up companies as well as for large enterprises. I have expertise in VoIP/SIP, FreeSWITCH, FusionPBX, ASTPP, OpenSIPs, Kamailio, WebRTC, MediaProxy, RTPproxy, RTPengine, Asterisk,...
    I have provided a wide range of IT solutions including VoIP Software, Websites & Mobile Apps development for small businesses and start-up companies as well as for large enterprises. I have expertise in VoIP/SIP, FreeSWITCH, FusionPBX, ASTPP, OpenSIPs, Kamailio, WebRTC, MediaProxy, RTPproxy, RTPengine, Asterisk, FreePBX, A2billing, Linux & OpenSource Consulting, MySQL, PostgreSQL, PHP, Yii, Apache, Nginx, Android,Odoo I have developed following VoIP and IT solutions: - CRM integrations through APIs - Class4 & Class5 Soft Switches - ASTPP Billing/calling card - SIP Load Balance & Fail-Over - IVR Application - Fax over IP (FoIP) - T38 Supported FAX Server - Voice broadcast ring less/conventional - SIP Messaging Server - High scalable Least Cost Routing(LCR) with Fail-Over - Session Border Controller(SBC) - RESTfull API - Web Services & API for Mobile Application - Android Mobile Apps I have been supporting various termination equipment/hardware like TELES, 2N, ANTRAX, DINSTAR, GOIP ย่อ
  • ว่าจ้าง mula9211
  • ว่าจ้าง     satyajitkundu
ว่าจ้าง     satyajitkundu

    satyajitkundu satyajitkundu

    India $10 USD / ชม.
    Linux, Ubuntu, Amazon AWS, Google Cloud, Azure
    India
    2.6
    1 บทวิจารณ์ 1 บทวิจารณ์ $10 USD ต่อชั่วโมง
    Hello , I am Satyajit Kundu. I'm Certified Aws & Linux System Administrator 12 plus years of experience,I have strong knowledge of different cloud architecture, AWS, Azure, Sucuri, Liquidweb, Linode , 1and1 , Godaddy & many in-house hosted server etc . mail server, Elk, Virtualization,Routing,Sonicwall. Handling web...
    Hello , I am Satyajit Kundu. I'm Certified Aws & Linux System Administrator 12 plus years of experience,I have strong knowledge of different cloud architecture, AWS, Azure, Sucuri, Liquidweb, Linode , 1and1 , Godaddy & many in-house hosted server etc . mail server, Elk, Virtualization,Routing,Sonicwall. Handling web server and db server etc. Global Cretified ================ RHCSA (Red hat Certified System Administrator) AWS (Aws Certified Solutions Architect) - Traning Cretified =================== CCNA (Cisco Certified Network Associate) MCSE (Microsoft Certified System Engineer) *Knowledge in different AWS services, Ec2, Rds (Mysql / Aurora ), ALB, ELB, EFS, S3, SNS, CloudFront, Cloud watch, Waf, Vpc , Iam, Route 53 , Vpn , Lightsail, Workspace etc. * Knowledge in Code pipeline , Code Deploy , Code Build , Cloud 9, CI/DI process, Ecs fargate Lamda, Eks, Cognito, Secret manager, Emr, Jenkins etc. * Operating Systems: Red Hat Enterprise Linux 5.0-6.x., CentOS, Fedora, Ubuntu, Suse Enterprise Linux * Apache (http/https), nginx , Clearos,Roundcube, DNS (bind), FTP, NFS, SAMBA, NIS, SSH, DHCP etc. * Backup & Restore (tar,gzip,bzip2,rsysnc,shell Script), scheduling of tasks using crontab, * Package management (yum, rpm,apt-get), User administration. * Installation / Managing of Router / Switch / Other Networking Devices. * Knowledge of Asterisk Server Goautodial , Elastix. * Configuring Firewall, e:g:- SonicWALL , Untangle , Endian. * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Azure/Amazon AWS/Google Cloud * Nginx/Apache/Lighttpd/LiteSpeed * VPS - OpenVZ/KVM/Xen/Hyper-V/SolusVM/ProxMox * Docker * Linux/Cpanel Server Setup * Server Security - csf/maldet * WHMCS Installation * Windows server setup ย่อ
  • ว่าจ้าง satyajitkundu
  • ว่าจ้าง     gdmlnx
ว่าจ้าง     gdmlnx

    gdmlnx gdmlnx

    Argentina $45 USD / ชม.
    Unix Consultor, Devops and Cloud Engineer.
    Argentina
    4.8
    15 รีวิว 15 รีวิว $45 USD ต่อชั่วโมง
    Unix (Solaris, Hp-UX, AIX). GNU/Linux (Red Hat, Slackware, Debian. Servidores/Clientes: Firewalling (iptables, ipchains,Nat,ipfw, ipfilter, Shorewall).Smb File Server. Advanced Power Virtualization on IBM systems HACMP Apache Web Server. Squid Proxy Server (proxy cache, transparent proxy). FTP Server(ftpd)DHCP...
    Unix (Solaris, Hp-UX, AIX). GNU/Linux (Red Hat, Slackware, Debian. Servidores/Clientes: Firewalling (iptables, ipchains,Nat,ipfw, ipfilter, Shorewall).Smb File Server. Advanced Power Virtualization on IBM systems HACMP Apache Web Server. Squid Proxy Server (proxy cache, transparent proxy). FTP Server(ftpd)DHCP server, DNS cache server (dnsmasq). SSH Server. Logical Volume Manager (LVM; GNU/LINUX, HP-UX) Svm (solaris volume manager) Veritas VM Servidores de Impresion(cups) Asterisk-Siemens-Alcatel.E1. SS7 - DSLAM - OLT automation and cloud : docker ansible AWS terraform ********************** +10 years Experience on Unix-like sistems , please go over my linkedin resume for further information. Red-hat cerfified : 120-172-655 Unix-LIke Systems Administration.- AIX Admin; pseries Power VM Red-Hat GNU/LINUX ย่อ
  • ว่าจ้าง gdmlnx
  • ว่าจ้าง     iKcon
ว่าจ้าง     iKcon

    iKcon iKcon

    India $25 USD / ชม.
    A2billing. Free/FusionPBX. Vicidial. ASTPP. GoAuto
    India
    6.2
    39 รีวิว 39 รีวิว $25 USD ต่อชั่วโมง
    We are Team iKcon Infotech!! Above 7 years of Expertise in VoIP Based Products. We majorly deal in below stated products and our focus in customer satisfaction which turns out to be automatic more references. That is the reason what from past years our Completion ratio is above 95% ...
    We are Team iKcon Infotech!! Above 7 years of Expertise in VoIP Based Products. We majorly deal in below stated products and our focus in customer satisfaction which turns out to be automatic more references. That is the reason what from past years our Completion ratio is above 95% Open Source System * A2Billing * ASTPP * Vicidial * FreePBX * FusionPBX * OpenSIP * Asterisk * Elastix * GoAutodial * Freeswitch VoIP Mobile Dialer * Linphone * CSipsimple Any kind of Customization or Development in VoIP Open Source Products. We have our own customized version of A2billing, ASTPP, Vicidial, FusionPBX and more. For more information about iKcon Infotech check our website. ย่อ
  • ว่าจ้าง iKcon
  • ว่าจ้าง     AhmedMFakkar
ว่าจ้าง     AhmedMFakkar

    AhmedMFakkar AhmedMFakkar

    Egypt $25 USD / ชม.
    Cisco Professional
    Egypt
    4.5
    16 รีวิว 16 รีวิว $25 USD ต่อชั่วโมง
    I'm network engineer holding Cisco CCNP certificate. I have 6 years of experience in IT networks. I am expert of network simulation softwares like Cisco Packet Tracer and GNS3 and in Data analysis using Wireshark. Also, i have strong experience in writing technical reports and summaries. My specialties: - Design and...
    I'm network engineer holding Cisco CCNP certificate. I have 6 years of experience in IT networks. I am expert of network simulation softwares like Cisco Packet Tracer and GNS3 and in Data analysis using Wireshark. Also, i have strong experience in writing technical reports and summaries. My specialties: - Design and implement medium and large scale enterprise networks. - Expertise of VPN technologies such as, OpenVPN, IPsec, L2TP, PPTP, SSL, etc. - Routing technologies RIP, OSPF, EIGRP, ISIS, BGP, etc. - Switching technologies VLANs, STP, VTP, Etherchannel, HSRP, etc. My hands-on experience, - Cisco routers (ASR 1K & 9k, 2900, 2800), Switches (Nexus 9000, Nexus 7000, Nexus 3000, CAT 6500, CAT 3750, CAT 2900, SG- 300, SG-500) and Firewalls (ASA 5505, 5506x). - Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Huawei routers NE-40, NE5000E and Switches Quidway S2700 and S5300. - HP Switches procurve 3500 and procurve 5900. ย่อ
  • ว่าจ้าง AhmedMFakkar
  • ว่าจ้าง     nitinbagdi20
ว่าจ้าง     nitinbagdi20

    nitinbagdi20 nitinbagdi20

    India $30 USD / ชม.
    ✔️Android || ✔️Web Application || ✔️IOS
    India
    3.9
    1 บทวิจารณ์ 1 บทวิจารณ์ $30 USD ต่อชั่วโมง
    Dear Client, My team has committed professionals who can help you in every aspect of Web/Mobile Application development. We have a talented pool of technical professionals with experience on the latest technology solutions for global business purchasers. Technical Skills: ✔️✔️ MEAN, MERN & LAMP stack...
    Dear Client, My team has committed professionals who can help you in every aspect of Web/Mobile Application development. We have a talented pool of technical professionals with experience on the latest technology solutions for global business purchasers. Technical Skills: ✔️✔️ MEAN, MERN & LAMP stack development ✔️✔️ Chat Bot ✔️✔️ Mobile Development (Android, IOS, Hybrid) ✔️✔️ PHP (Laravel, Core PHP, MVC) ✔️✔️ Designing (Website, Graphic, Logo Design, Mobile UX/UI Design) ✔️✔️Social Network Integration - Gmail, Facebook, LinkedIn, Twitter, Instagram, Youtube We do our research, come up with the best solution and develop an application that is smooth and easy to navigate, awesome looking and most importantly with great quality, security and performance. Let's connect to discuss and strategize your idea. I will help you to bring the best product to market. ย่อ
  • ว่าจ้าง nitinbagdi20
  • ว่าจ้าง     rginfotech1
ว่าจ้าง     rginfotech1

    rginfotech1 rginfotech1

    India $20 USD / ชม.
    Wordpress Magento Laravel CI Opencart SEO
    India
    3.8
    1 บทวิจารณ์ 1 บทวิจารณ์ $20 USD ต่อชั่วโมง
    Thanks for visiting our Profile !! We are India based Company and we have Result Oriented Professional Web developers having Extensive Experience in all the Stages of Design, Development and Maintenance of Websites and Mobile Apps. When you hire us, you'll be working with highly skilled professionals, who have been...
    Thanks for visiting our Profile !! We are India based Company and we have Result Oriented Professional Web developers having Extensive Experience in all the Stages of Design, Development and Maintenance of Websites and Mobile Apps. When you hire us, you'll be working with highly skilled professionals, who have been hand-picked for their expertise. We have a Highly Skilled in-house team with right candidature in domains like: Web Design, Graphic Design, PHP, Laravel, Opencart, WordPress, Mobile Apps, HTML, CSS, MySQL, Responsive, Speed Optimizations, Customization(Front & Back End), Analytics, various APIs and theme Integration. ►WHY US 100% Satisfied solution guaranteed. 525+ Wonderful reviews & 26% repeat hire rate 10+ Years Experience 1000+ Satisfied clients Prompt response 24/7 Availability Unlimited Revisions Excellent communication skills. You can hire us by clicking on "Hire Me" button at our profile and give us a chance to serve you. Best regards, Ramakant Gupta ย่อ
  • ว่าจ้าง rginfotech1

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