VoIP Developers For Hire

  • VoIP
Suggestions:
more

Countries

Specific Location

Exams

Hourly Rate (USD)

Rating

Online

Showing 69 results
  • Hire     AhmedMFakkar
Hire     AhmedMFakkar

    AhmedMFakkar AhmedMFakkar

    Egypt $25 USD / hour
    Cisco Professional
    Egypt
    4.9
    18 reviews 18 reviews $25 USD per hour
    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. less
  • Hire AhmedMFakkar
  • Hire     therobust13
Hire     therobust13

    therobust13 therobust13

    India $15 USD / hour
    Network/System Admin, Talent Acquisition prof.
    India
    5.6
    6 reviews 6 reviews $15 USD per hour
    IT professional, 6+ years experience in Networking & security, love to work on open source solutions in networking, security/firewall, VoIP, and system administration. Also, an active Talent Acquisition Specialist for IT recruitment.
    IT professional, 6+ years experience in Networking & security, love to work on open source solutions in networking, security/firewall, VoIP, and system administration. Also, an active Talent Acquisition Specialist for IT recruitment. less
  • Hire therobust13
  • Hire     Erewin
Hire     Erewin

    Erewin Erewin

    Russian Federation $30 USD / hour
    Voip developer
    Russian Federation
    6.6
    61 reviews 61 reviews $30 USD per hour
    Hello, my friends! There are what i have done in this 2019-2021 year. 2021: ☑ Bootstrap 4 web interface for opensips projects, ☑ Whole Media Sending system. System that can send Millions of Faxes\Audio with reports, 2020: ☑ Ready autodialer based on Issabel in 1 hour with forms and reports. ☑ Ansible script for...
    Hello, my friends! There are what i have done in this 2019-2021 year. 2021: ☑ Bootstrap 4 web interface for opensips projects, ☑ Whole Media Sending system. System that can send Millions of Faxes\Audio with reports, 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. less
  • Hire Erewin
  • Hire     RafimKs
Hire     RafimKs

    RafimKs RafimKs

    India $40 USD / hour
    Expert System, Network & VOIP Administrator
    India
    5.9
    39 reviews 39 reviews $40 USD per hour
    Top 1% in the Freelancer.com Community. I am excited to offer 13 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 13 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) - Wireless(Cisco,Unify,Grandstream,Fortigate) - 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" less
  • Hire RafimKs
  • Hire     dv8inpp
Hire     dv8inpp

    dv8inpp dv8inpp

    Cambodia $25 USD / hour
    40 years of experience working with computers
    Cambodia
    4.2
    5 reviews 5 reviews $25 USD per hour
    Experience with using Office products including MS and Openoffice. Have worked with VMware, HyperV and Openstack. Experience with Windows 1.0 - Windows 2019, Ubuntu/Debian/Centos. I don't particularly like OpenSuSE but can work with it. Asterisk administrator for 4 years with experience writing IVR's for Asterisk...
    Experience with using Office products including MS and Openoffice. Have worked with VMware, HyperV and Openstack. Experience with Windows 1.0 - Windows 2019, Ubuntu/Debian/Centos. I don't particularly like OpenSuSE but can work with it. Asterisk administrator for 4 years with experience writing IVR's for Asterisk based systems including integration to SMS gateway's and Facebook/Messenger. 3CX Advanced certified. less
  • Hire dv8inpp
  • Hire     SherGhani
Hire     SherGhani

    SherGhani SherGhani

    Pakistan $10 USD / hour
    Senior System Admin
    Pakistan
    4.2
    3 reviews 3 reviews $10 USD per hour
    To provide specifically designed digital marketing services to startups, small businesses and corporate businesses who are optimistic about taking deserved advantage of modern technology and digital world for effective business growth. Linux Server installation configuration, Cpanel/WHM/WHMCS/ Site migration, Data...
    To provide specifically designed digital marketing services to startups, small businesses and corporate businesses who are optimistic about taking deserved advantage of modern technology and digital world for effective business growth. Linux Server installation configuration, Cpanel/WHM/WHMCS/ Site migration, Data Base Administration Mysql replication, Mysql(MariaDB) installation, Asterisk PBX setup (voip) Linux Firwall Installation (ipcop/pfsense etc) Monitoring Server (Zabbix / Cacti etc ) Proxy server setup (squid) Virtualization (VMware / Xen / VirtualBox) Programming (PHP / Perl / Shell Script) HTTP server Apache / Apache tomcat etc -------------------- SEO (Search Engine Optimization On-page,Off-page) Facebook Ads / Google Ads Blog Writing Ghost Writing Article Writing WordPress Website designing HTML website designing Copy / paste work (data entry) Content Writing. Video Editing Virtual Assistant (YouTube Channel / Facebook Page / Instagram ) --------------- GPS Tracking System (Vehicles / Pets / Personal Tracking) Complete Solutions for GPS DTM Traffic Lights system SMS Gateway Installation / Configuration (Kannel / SMSTools etc) ------------- less
  • Hire SherGhani
  • Hire     razzeshsingh
Hire     razzeshsingh

    razzeshsingh razzeshsingh

    India $50 USD / hour
    ✔️Sr. Server Admin ✔️ IT Expert ✔️Cyber Security
    India
    1.0
    1 review 1 review $50 USD per hour
    IT Expert with +9 years of experience in Managing Windows and Linux-based server infrastructures, Network security & Administration, software solutions. Here are some major services on which I am working: ☑️- Server Administration : ✔️ Windows server : ADDC, DNS, DHCP, WSUS, Group Policy Management, RDP Server,...
    IT Expert with +9 years of experience in Managing Windows and Linux-based server infrastructures, Network security & Administration, software solutions. Here are some major services on which I am working: ☑️- Server Administration : ✔️ Windows server : ADDC, DNS, DHCP, WSUS, Group Policy Management, RDP Server, WDS Server, IIS Server, MS Exchange Server, MS SharePoint, MS Office 365, MS One Drive, MS Teams, File Server (NAS & SAN) , FTP, NTP and many more ✔️ Linux Server : SAMBA ADDC LDAP, SAMBA File Server, DNS, DHCP, Mail Servers (Zimbra, PMTA, Send grid, Squirrel mail, Roundcube). Web Servers (Tomcat, apache, nginx, light speed), MySQL, MariaDB, Postgress, FTP, NTP, Ticketing tools (Manage engine, OS ticket, OTRS Ticket, Citrix XenApp, JIRA, Service now), Monitoring Tools ( Check_mk, Syslog, Nagios, Cacti, ELK Stack, Zabix, xymon, PRTG), IDS Server ( OSSEC, WAZUH, SNORT, Suricata, BRO, Tripwire, Security Onion), DLP/Encryption/ Threat Prevention Server ( Symantec, Sophos, McAfee), Threat Intelligence server (MISP, Mitre, OpenCTI), The Hive with Cortex, ArcSight Server, Dialer Server ( VCdialer, go auto dialer, ViciBox, Altitude Dialer), Virtaul Hypervisor ( VMware ESXi, Proxomox, Virtual Box, VMware Workstation), GenieACS TR-069 remote management server, Vulnerability Assessment Scanner Tools (OpenVAS, Nessus Professional, Wireshark, Comodo cWatch, Tripwire IP360) , SonarQube Code analysis Tool, NXfilter URL Filtering tool and Many More.. ☑️- Network Administration: Key Network Skills & Security Products Experience: o Firewall – Checkpoint, Cisco ASA, Palo Alto, Fortigate, Sophos, o Router & Switches : Cisco, Mikrotik, Ubiquiti, Netgear, Aruba o Intrusion Detection & prevention – Cisco, Checkpoint, Sophos o Switching: Vlan, Inter Vlan, Stp, Vtp, EtherChannel, Switch Port o Configuration and troubleshooting of routing protocols OSPF, RIP, EIGRP, BGP o Setup of security implementations (Filtering Tool ACL, route map, port security.) o Well versed in the operations, configuring, and troubleshooting of various issues in Checkpoint and Cisco, Mikrotik, Ubiquiti, Netgear & Aruba Devices. o Checkpoint IPSec VPN Blade, Application & URL filtering Blade, IPS Blades, o Configuration & troubleshooting of IPSEC and S2S VPN ☑️- Information Security I helps organizations stay compliant with all the important standards like PCI DSS, HIPPA, ISO 27001, GDPR, FISMA, and GLBA. In addition to these compliances, I also help companies with Information Security Assessments and Penetration & Vulnerability Testing for identifying loopholes in their security infrastructure and BCP/DR consulting for building programs to stay ahead of future security incidents. ☑️- Cloud Solutions: I Helps organizations to deploy their services on AWS, GCP, and Microsoft Azure cloud. ☑️- Website Development & Designing : I helps organizations in website designing, development, internet marketing, hosting and support services, as well as web and mobile app development. less
  • Hire razzeshsingh
  • Hire     mannixlizardo
Hire     mannixlizardo

    mannixlizardo mannixlizardo

    Australia $50 USD / hour
    Network and Voice Engineer
    Australia
    3.6
    1 review 1 review $50 USD per hour
    I am a talented and experienced Cisco Engineer. I have good experience with Cisco and I have been working as a Cisco Engineer for many years. I am a hard worker and enjoy working at all critical conditions. Aside from Cisco devices, im also well verse in implementing and deploying Session Border Controller ( Acme...
    I am a talented and experienced Cisco Engineer. I have good experience with Cisco and I have been working as a Cisco Engineer for many years. I am a hard worker and enjoy working at all critical conditions. Aside from Cisco devices, im also well verse in implementing and deploying Session Border Controller ( Acme Packet, Audiocode and Sonus). If hired by you I will be responsible to complete the task within the stipulated time frame and with utmost confidence. Outsource me for your project and I promise to bring in the best output. less
  • Hire mannixlizardo
  • Hire     ExpertNetworkEng
Hire     ExpertNetworkEng

    ExpertNetworkEng ExpertNetworkEng

    Egypt $5 USD / hour
    Expert Network Engineer
    Egypt
    3.5
    13 reviews 13 reviews $5 USD per hour
    I am an Expert Network Engineer and I am working as Expert Network Engineer at Multinational ISP. I have great hands-on experience for more than 15 years in various network technologies. I have Cisco CCNA & CCNP (Routing & Switching) and CCNP Enterprise (Enterprise Core & Enterprise Advanced Infrastructure...
    I am an Expert Network Engineer and I am working as Expert Network Engineer at Multinational ISP. I have great hands-on experience for more than 15 years in various network technologies. I have Cisco CCNA & CCNP (Routing & Switching) and CCNP Enterprise (Enterprise Core & Enterprise Advanced Infrastructure Implementation) certifications. I have Juniper JNCIA-Junos (JN0-102) and JNCIA (Cloud) certifications. I have very good knowledge in Cisco wireless technology (control based & stand alone), VOIP & Network Security with previous work experience. I have very good knowledge in SD-WAN technology and I have a previous work experience in it. My specialties: - Design/implement medium and large scale enterprise networks. - Configure Cisco Routers (ASR 1K & 9k, 2900, 2800, ISR 4K, 878, 888), Switches (Cat 6500, 3750, 3850, 2900, 2960, SG- 300, SG-500, [Nexus 5K, 7K and 9K]), Firewalls ([ASA 5505, 5506x, 5508], Fortigate, Palo Alto) and Wireless Acess Points 1800 and 2700. - Configure Juniper Routers (M7, M10, MX 480, MX 960) and SRX (300, 500). - Huawei, Mikrotik, HP, Ubiquiti, VyOS & Pfsense devices Expert. - Packet Tracer, GNS-3, EVE-NG, VMWare workstation & VirtualBox Expert. - Routing protocols (RIP, OSPF, EIGRP, ISIS & BGP) Configuration and troubleshooting Expert and Switching Expert (VLANs, STP, VTP...). - VPNs Configuration Expert (IPSEC/L2TP, GRE/PPTP, OPENVPN & SoftEther). - Linux, Unix & windows servers Expert. - Wireshark Traffic Capture & Analysis Expert. - Write technical reports and summaries. less
  • Hire ExpertNetworkEng
  • Hire     denouezechias
Hire     denouezechias

    denouezechias denouezechias

    Cote D'Ivoire $10 USD / hour
    Ingénieur Informaticien développeur
    Cote D'Ivoire
    3.5
    2 reviews 2 reviews $10 USD per hour
    Je suis ingénieur de conception en informatique. Je suis un passionné de l'informatique et de toutes ses dérivées : la programmation, mais aussi le montage vidéo, la composition musicale, l'infographie, etc. Je suis disponible à partager mon expertise acquis pendant plus de 7 années d'expériences en conception...
    Je suis ingénieur de conception en informatique. Je suis un passionné de l'informatique et de toutes ses dérivées : la programmation, mais aussi le montage vidéo, la composition musicale, l'infographie, etc. Je suis disponible à partager mon expertise acquis pendant plus de 7 années d'expériences en conception d'application en .Net, Java, API GOOGLE, Webservices, PHP, HTML, Bootstrap, Windev (PC Soft),Windev mobil (PC Soft), Webdev (PC Soft), Javascript, Python, pour tout Windows ou Linux, (voir mes compétences pour plus de détails) I am a computer design engineer. I am passionate about everything related to computers, not only programming but also video editing, music composition, computer graphics, etc. I am available to share my expertise acquired during more than 7 years of application design experience in Windev (PC Soft) , Webdev (PC Soft), .Net, Java, API, Webservices, PHP, HTML, Bootstrap, Javascript, Python, for any Windows or Linux, (see my skills for more details) less
  • Hire denouezechias

Hey , here are some offline freelancers

Hey , here are some offline freelancers matching ""