VoIP Developers pentru angajare

  • VoIP
  • Online Users
Sugestii:
mai mult

Țări

Locație specifică

Examene

Tarif pe oră (USD)

Evaluare

Conectat

Se afișează 87 rezultate
  • Angajează pe     abusayed2004
Angajează pe     abusayed2004

    abusayed2004 abusayed2004

    Bangladesh $40 USD/oră
    Asterisk PBX, SIP, Linux, Cloud, DevOps, Security
    Bangladesh
    6.4
    61 recenzii 61 recenzii $40 USD pe oră
    I am currently seeking long-term remote and onsite job opportunities. With 13 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, Mysql, and Linux customization. I...
    I am currently seeking long-term remote and onsite job opportunities. With 13 years of experience, I have worked extensively with VoIP, Asterisk, cloud technologies such as AWS and OpenStack, Server security, Vtiger CRM, Open VPN, CentOS, Ubuntu, Redhat, VoIPSwitch, Oracle DB, RHEVM, Mysql, and Linux customization. I am also proficient in Python and PHP scriptwriting for IVR and AGI implementation on Asterisk. I have a team for support and further development. My expertise includes: - Linux - Hosting Systems Administration & Monitoring - Design and implementation of High-Performance SIP SBC - DevOps CI/CD - Service Optimization - Security Hardening - VoIP, Asterisk, SMS, Dongle, and FreePBX installation, configuration, and maintenance - WebRTC SIP Phone - Infrastructure Planning - Disaster Recovery - Shell Scripting - Capacity planning, application delivery planning - Network Troubleshoot, Spanning Tree, PVST, RSTP, HSRP, RIP, BGP, EGRP IGRP, MPLS - SAN Troubleshoot - GlusterFS, CEPH - NFS, SMB, ISCSI, SMTP - Linux performance tuning - MySQL, Oracle DB performance tuning - Laravel web application development - Web Security, Web benchmark, best practice - IPTV, Live streaming, VOD, FFmpeg - Raspberry Pi Please let me know if you have any questions or require further information. mai puțin
  • Angajează pe abusayed2004
  • Angajează pe     MRARIFAKRAM
Angajează pe     MRARIFAKRAM

    MRARIFAKRAM MRARIFAKRAM

    Pakistan $50 USD/oră
    Linux | Windows | pbx | cloud computing
    Pakistan
    4.9
    11 recenzii 11 recenzii $50 USD pe oră
    I am Muhammad Abdullah , with 8 years of expertise in various fields: I specialize in providing dedicated assistance for both Linux and Windows systems. I am skilled in Blockchain Development, including BTC NODE & GETH. I can configure Apache, Nginx, or other HTTP servers to meet specific requirements. I offer...
    I am Muhammad Abdullah , with 8 years of expertise in various fields: I specialize in providing dedicated assistance for both Linux and Windows systems. I am skilled in Blockchain Development, including BTC NODE & GETH. I can configure Apache, Nginx, or other HTTP servers to meet specific requirements. I offer support for WHM, cPanel, Plesk, DirectAdmin, and other control panels. I can handle tasks related to VPS, VDS, VPN, VPC, and subnet setups. I excel at seamless migration from one host to another. I can configure Reverse Proxy for efficient web traffic management. I have expertise in Load Balancing for applications and websites. I can resolve PHP-related issues and extend its functionality through various extensions. I am experienced with Java Web Server (Apache Tomcat) setup and maintenance. I can assist with IIS configuration and optimization. I have extensive knowledge in debugging Ubuntu, Debian, or Debian-based operating systems. I can troubleshoot CentOS-related issues. mai puțin
  • Angajează pe MRARIFAKRAM
  • Angajează pe     rifat0103
Angajează pe     rifat0103

    rifat0103 rifat0103

    Bangladesh $20 USD/oră
    Network & Security | CISCO | FORTIGATE | MIKROTIK
    Bangladesh
    3.8
    14 recenzii 14 recenzii $20 USD pe oră
    I am an expert network and security administrator and I have 10 year’s practical working and teaching experience in network and security also i am en expert in data entry jobs and excel Microsoft office. I am a CCNA instructor and I have CCNA, RHCE, RHCSA certifications. I have expertise in CISCO routing and...
    I am an expert network and security administrator and I have 10 year’s practical working and teaching experience in network and security also i am en expert in data entry jobs and excel Microsoft office. I am a CCNA instructor and I have CCNA, RHCE, RHCSA certifications. I have expertise in CISCO routing and switching, firewall, IPS, ISE, voice and wireless solution from my 10 years’ practical experience. I have also fluency in English and Hindi speaking. I am Expert in GNS3 and Packet Tracer. ===================================================================================== Technical Skills: Good understanding and knowledge of TCP/IP, OSI Layer. L3 technologies: RIP, EIGRP and OSPF and BGP in CISCO 800, 1900, 2900, 2800, 2800, ISR 4300, 4100, ASR 1000 series. L2 technologies: VLAN, VTP, STP, Trunking, HSRP, VRRP, SPAN, RSPAN, DHCP Snooping, Dynamic ARP Inspection, ARP ACL etc in 2900 series and L3 switches. NXOS and ACI: Configure and install CISCO nexus 9k and CISCO ACI solution like Bridge Domain, VRF, end point group tenant etc. Cisco ASA and Next Generation Firewall: ACL, NAT, Transparent Mode, Multiple context and Failover (Active/Active, Active/Standby) Site-to-Site VPN, Remote Access VPN and SSL VPN. Cisco Firepower IPS and Firepower Management Center (FMC): ACL, NAT, Intrusion policy, AVC, Malware & File Policy, Site-to-Site VPN, Remote Access VPN and SSL VPN etc. F5 Load Balancer and ASM: Installation and configure F5 BIG-IP Local Traffic Manager (LTM) load balancer and Application security manager. CISCO CUCM: Install and configure Cisco Unified Communication Manager 9.0 and 12.4. Mikrotik Router: OSPF, BGP, NAT, DHCP, L2TP, IPSEC, PPP, Firewall etc CISCO WEB and Email Security Appliance: Install and configure CISCO ESA and WSA So you are requested to first discuss the project and requirements and after being satisfied please awarded me with the work. And definitely work will be delivered in time and in best quality. Thanking You Kazi mai puțin
  • Angajează pe rifat0103
  • Angajează pe     kingAsterisk
Angajează pe     kingAsterisk

    kingAsterisk kingAsterisk

    India $30 USD/oră
    Asterisk - VoIP, Vicidial Customization, PBX, IVR
    India
    6.1
    30 recenzii 30 recenzii $30 USD pe oră
    We are working on Asterisk - VoIP solutions since 15 years onwards, we are having vast knowledge of all modules of Asterisk and dialer stuff, and we are also able to do integration with crms, clusters as well as other PBX systems for sending and receiving calls as well. We are experts install and configuring...
    We are working on Asterisk - VoIP solutions since 15 years onwards, we are having vast knowledge of all modules of Asterisk and dialer stuff, and we are also able to do integration with crms, clusters as well as other PBX systems for sending and receiving calls as well. We are experts install and configuring Asterisk, vicidial, Voice Broadcast, A2billing, PBX, Freepbx, Freeswitch, Twillio, Elastix, Advanced IVR, Web-meetme, Cloud Solution using Asterisk, SoundBox Dialer, GoAuto Dialer, Call Centre solutions, DID Management solution, Hylafax Solutions, etc .. We are popular as a VoIP open-source development company due to our expertise in building, scaling up, and maintaining the best open-source VoIP solutions. We have a team of VICIDial experts who specialize in this open-source call center software. We provide the development of custom features with source code, add-ons, etc. to add missing functionalities to this contact center solution. As a Leading VICIDial Development Company, Our VICIDial skin development and VICIDial theme customization services are popular due to the transformation of this software with better and enhanced UI and UX elements. We also provide various other VICIDial services to benefit its users. We can modify the dialer as per our client requirements like functionality, reports & custom GUI. We provide call center dialer software on the client-server with source code so you can modify it anytime in the future for your clients. ViciDial custom development * Complete configuration and customization for call centers * Inbound / Outbound strategies 1) miss call report we can setup 2) abandonded report 3) advanced agent performance report 4) sale history report 5) agent payment report 6) billing based on rates 7) custom dashboard for admin, managers 8) carrier reports with its hangup status 9) recording reports based on users, campaign 10) inbound/outbound separate custom reports Asterisk * Installtion & Configuration * Dial Plan Designing * Advanced AGI scripting * System Integration, from small office to carrier-grade * Custom applications * Auto/mass dialing solutions A2Billing * Billing customization * Callback customization * CDR customization * IVR customization * Softphone Integration * Multi owner solution * Reseller solution * Clustering / Backup / Failover / Monitoring * Security / Hardening Trixbox / FreePBX / Elastix * Complete configuration * Customization Social skills: excellent in team, individual, on-site or remotely, relaxed or under stress. Organizational skills: excellent with analyst duties, alone or in a team, with project manager duties, with self-managed time, or with magnetic badge. 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 mai puțin
  • Angajează pe kingAsterisk
  • Angajează pe     mahmoudsaiedfahi
Angajează pe     mahmoudsaiedfahi

    mahmoudsaiedfahi mahmoudsaiedfahi

    Egypt $15 USD/oră
    Python|SQL|Scraping|Automation|APIs|AVAYA
    Egypt
    2.0
    1 părere 1 părere $15 USD pe oră
    WEB SCRAPER: Web scraper familiar with extracting, gathering, cleaning and organizing data for use by technical and non-technical personnel. Advanced understanding of statistical, algebraic and other analytical techniques. Highly organized, motivated and diligent with significant background in data science. Avaya...
    WEB SCRAPER: Web scraper familiar with extracting, gathering, cleaning and organizing data for use by technical and non-technical personnel. Advanced understanding of statistical, algebraic and other analytical techniques. Highly organized, motivated and diligent with significant background in data science. Avaya System Administrator: Familiar with avaya system manager, session manager and communication manager. Services: Web Scraping Data Mining/Extraction Web/Browser Automation Python Programming Lead Generation Avaya Administration My best reviews : "Create for me a scraper He finished the scraper for me as I desired it. Is good in understanding what the client wants. Made the scraper also very quickly! He created this scraper with just only 17 lines of code and 404 length of characters. I am recommending him! We'll work further in the future! A++++++++++++++++++++++++++++++" "Minor maintenance of Beautiful Soup scraper Mahmoud exceeded expectation on this project. It was great to work with him" mai puțin
  • Angajează pe mahmoudsaiedfahi
  • Angajează pe     tonoy0167
Angajează pe     tonoy0167

    tonoy0167 tonoy0167

    Bangladesh $30 USD/oră
    Routing & Switching Engineer | CISCO|SOPHOS|HUAWEI
    Bangladesh
    2.6
    4 recenzii 4 recenzii $30 USD pe oră
    I have been working in core network of BD largest ISP & IIG more than 9 years. I am CCNA and CCNA security certified. So Cisco based network solutions are the most powerful side of me. Beside these, I am expert in configuring and maintaining firewalls, have expertise on network simulation software like GNS3 , Cisco...
    I have been working in core network of BD largest ISP & IIG more than 9 years. I am CCNA and CCNA security certified. So Cisco based network solutions are the most powerful side of me. Beside these, I am expert in configuring and maintaining firewalls, have expertise on network simulation software like GNS3 , Cisco Packet Tracer, Riverbed Modeler. Core Technical Skills: ================== # Routing Protocol-- Static, OSPF, BGP, EIGRP, RIP. # Design and implement small, medium and large scale enterprise networks. # VLANs, Spanning Tree Protocol (STP), VTP, LACP, HSRP. #L2-MPLS,L3-MPLS # DHCP, GRE, IPSEC. Hands-On Experience: ===================== # Cisco Routers (NCS 5500, ASR 1006, 7606, 7604, 7301, 7206) # Firewall (Sophos, Fortigate) # Cisco Switches(Nexus 2K, Nexus 3K, Nexus 7K, Catalist 2900 series, Catalist 3500 series, 4500 Series, Small Business SF-300) # Juniper Routers (MX 104, ACX 2200) # Mikrotik Router (CCR 1036, CCR 1072, 3011, RB 450) # Other Vendor devices (Netgear, BDcom, Huawei) mai puțin
  • Angajează pe tonoy0167
  • Angajează pe     rajmalviyamalviy
Angajează pe     rajmalviyamalviy

    rajmalviyamalviy rajmalviyamalviy

    India $10 USD/oră
    AWS | VOIP | ASTERISK | Bulk Email | Web & App
    India
    1.4
    1 părere 1 părere $10 USD pe oră
    Hi!!! This is Raj malviya. I am a VoIP Engineer and have 5+ years of experience working on asterisk and asterisk-based PBX systems. I provide the following services 1. Installation of FreePBX, vicidial, and magnus, fusion pbx ,3cx in the cloud or local server. 2. Troubleshooting Issues related to the PBX...
    Hi!!! This is Raj malviya. I am a VoIP Engineer and have 5+ years of experience working on asterisk and asterisk-based PBX systems. I provide the following services 1. Installation of FreePBX, vicidial, and magnus, fusion pbx ,3cx in the cloud or local server. 2. Troubleshooting Issues related to the PBX system 3. Remote Technical Support 4. custom Dialplans and automation 5. Following Features' Setup Extension Creation Voice Mail, Announcements, Office Hours setup Custom IVR with database queries & API calls Ring Groups SIP Trunk Integration, WebRTC, Queues All other related services to the PBX system i have multiple provider i can add every cloud pbx system. i am providing local number ,toll free number as per customer requirements. #Email SMTP# SSL / TLS Support (Free SSL, Let's Encrypt Or Any Paid SSL) Email marketing tools help DNS Support Cloudflare DNS Support Virtualization Server Setup Support. mai puțin
  • Angajează pe rajmalviyamalviy
  • Angajează pe     android2014213
Angajează pe     android2014213

    android2014213 android2014213

    India $35 USD/oră
    System Admin. (Linux, Windows, cloud) and Devops
    India
    1.6
    1 părere 1 părere $35 USD pe oră
    Freelancer, having 10+ years of experience as a Linux/Windows System Administrator, Devops and Cloud Engineer. I am well experienced in System Administration, so including but not limited to: Mail Server: Zimbra, postfix, sendmail, PowerMTA Web Server: Apache, Tomcat, Nginx Scripting: shell scripting Control Panel:...
    Freelancer, having 10+ years of experience as a Linux/Windows System Administrator, Devops and Cloud Engineer. I am well experienced in System Administration, so including but not limited to: Mail Server: Zimbra, postfix, sendmail, PowerMTA Web Server: Apache, Tomcat, Nginx Scripting: shell scripting Control Panel: Plesk, WHM, Cpanel, Webmin, Virtualmin Virtualization: KVM, VMware, Citrix Xen Server, VMware Esxi, Proxmox, Advanced KVM command-line Security Compliance: PCI-DSS, DISA STIGs. Devops Tools: Docker, Docker-compose, Jenkins, GitHub,Vagrant, Vagrant with Docker as provider , Ansible, Foreman, Docker Swarm Network: Router configuration of cisco router, modem. IP subnetting. Database: Mysql, Postgresql, Oracle, MS-SQL Accounting: Tally 6.3, Tally ERP 9 on Linux Operating System: Debian-{8,9,10}, Centos-{3,4,5,6,7}, Ubuntu-{12,14,16,18,20.04,22.04}, Windows server -{2003, 2008, 2012, 2016, 2019,2022} Private cloud: Eucalyptus (Ubuntu Enterprise cloud) Cloud: AWS, Gcloud, Azure create VPC, public-private subnet, route table, Internet gateway, network acl, amazon ec2 instance Migration, updation. ERP: ERPnext Multitenant, ERPnext in Google Cloud K8s cluster with CEPH storage Log Server: Solarwind Kiwi syslog Domain Server: Windows AD, Samba4 Server provisioning and PXE installation for Linux and Windows. Source code Compilation and Cross compilation for various architecture. Server Administration, Webhosting, Web migration, Web and DB performance tuning, SSL Certificate Installation, Shell scripting, Deployment of various software and server, Mail server etc. Postgresql cluster, high availability, Load balancing. Master-master Replication. GlusterFS Replication and Geo-replication. Linux Distros: Kiosk live image. FFMPEG, v4l2loopback, Proxy: Haproxy MongoDB Replicaset on multi-node docker container. mai puțin
  • Angajează pe android2014213
  • Angajează pe     ITBC2019
Angajează pe     ITBC2019

    ITBC2019 ITBC2019

    Uruguay $40 USD/oră
    Systems & Telecom Engineer, IT Pro 23 years
    Uruguay
    1.0
    1 părere 1 părere $40 USD pe oră
    Degree Professional (Systems Engineer, Telecommunications Engineer, Cisco CCNP, MBA, ITIL, MCSE, VMWARE, Mikrotik, Siemon, IP Telephony, etc.) with more 20 years experience. Expertise in Networking (Design & Deployment), IT Support, IP Telephony, Routing, Switching, Firewalling, Security, SDWAN, Wireless,...
    Degree Professional (Systems Engineer, Telecommunications Engineer, Cisco CCNP, MBA, ITIL, MCSE, VMWARE, Mikrotik, Siemon, IP Telephony, etc.) with more 20 years experience. Expertise in Networking (Design & Deployment), IT Support, IP Telephony, Routing, Switching, Firewalling, Security, SDWAN, Wireless, Linux/Unix/Windows Servers Management, and many other IT topics (like PHP, Apache, Nginx, MySQL, Magento, PrestaShop, Wordpress, etc.) I've experience with Google Cloud Services, Digital Ocean, Amazon Web Services, Microsoft Azure. Entrepeuner in a small IT company (IT Business Corp.) with more 15 years in local market. I have expectations of new and challenging projects. Available 7 days a week to attend emergencies and specific technical assistance situations. Technical responsibility and ethical commitment in the fulfillment of the requested services. mai puțin
  • Angajează pe ITBC2019
  • Angajează pe     pranavkhandelwal
Angajează pe     pranavkhandelwal

    pranavkhandelwal pranavkhandelwal

    India $15 USD/oră
    Top1% PPF | 12+ years | Fullstack mobile & web app
    India
    3.0
    1 părere 1 părere $15 USD pe oră
    Hello, I'm Pranav, a seasoned professional with over 10 years of extensive experience in mobile and website development. My journey in the tech world has allowed me to master a diverse range of technologies, making me proficient in Flutter, React Native, React.js, Node.js, PHP, Firebase, WordPress, Swift, Java, and...
    Hello, I'm Pranav, a seasoned professional with over 10 years of extensive experience in mobile and website development. My journey in the tech world has allowed me to master a diverse range of technologies, making me proficient in Flutter, React Native, React.js, Node.js, PHP, Firebase, WordPress, Swift, Java, and more. Key Highlights: Experience: With a decade of hands-on experience, I bring a wealth of knowledge in both mobile and website development. Versatility: My expertise spans a broad spectrum of technologies, allowing me to tackle projects with a holistic approach. Experience and Skills: Specialization: Native iOS Mobile Application Development using Objective-C, Swift in Xcode. Design Patterns: Strong foundation in Object-Oriented Programming (OOPs), MVC, MVVM, and other design patterns. Frameworks: Proficient in Cocoa/Cocoa Touch, utilizing both native frameworks and third-party libraries. API Integration: Extensive experience with Restful APIs, SQLite, PLIST, JSON, XML, and social network integrations such as Facebook, Google+, Twitter, etc. Interface Design: Efficient use of Interface Builder, XIB, or storyboard for intuitive user interfaces. Additional Expertise: iCloud implementation, In-App Purchase, Remote and Local Push Notification. Version Control: Experienced with version control systems like SVN and GIT. Commitment: From my end, I guarantee maximum responsibility, rapid responses, and time flexibility. Regardless of your location or preferred working hours, I am committed to delivering exceptional results. Feel free to reach out to discuss your project. I look forward to the opportunity to collaborate and bring your ideas to life. Best regards, Pranav Khandelwal mai puțin
  • Angajează pe pranavkhandelwal

Bună, . Iată câțiva freelanceri deconectați

Bună, . Iată câțiva freelanceri deconectați care corespund cuvintelor cheie ""