Asterisk Consultants & Developers

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Hire a skilled freelance Asterisk developer to build multi-protocol, real-time communications applications solutions for all your needs. Experienced Asterisk contractors can set up predictive dialers, call centers, VoIP gateways, conference servers, IP PBX systems and other applications.

Asterisk is a popular open source framework for building communications applications. The platform uses scripting languages to create business phone systems, conference bridges and other communications protocols and technologies. On Upwork, the world’s largest online workplace, companies hire Asterisk experts to handle all their communication needs.

Browse Asterisk job posts for project examples or post your job on Upwork for free!

Asterisk Job Cost Overview

Typical total cost of Upwork Asterisk projects based on completed and fixed-price jobs.

Upwork Asterisk Jobs Completed Quarterly

On average, 52 Asterisk projects are completed every quarter on Upwork.

52

Time to Complete Upwork Asterisk Jobs

Time needed to complete a Asterisk project on Upwork.

Average Asterisk Freelancer Feedback Score

Asterisk Upwork freelancers typically receive a client rating of 4.59.

4.59
Last updated: June 1, 2015
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  1. Igor Nikolaev

    Igor Nikolaev

    Linux, Asterisk, CISCO system administrator

    Russia - Last active: 11/09/2013

    Over the last 6 years i work in telecom-integrator company, located at Russia, Moscow. My core competency lies in network management, linux system administration, VoIP hardware and software management. I also have some expirence in PHP programming, MySQL programming and administration, C/C++ programming. I write some patches for Asrerisk IP PBX (fix some problems with SIP video channel; patch for H.323 driver for interconnection with Ericsson BP-250 PBX, patch for RTP module for interconnection with some older versions of Ericsson MD-110 PBX).

    $33.33 /hr
    0 hours
    5.00
  2. waseemy shahy

    waseemy shahy

    Bigcommerce / Big Commerce / Photoshop / Html5 / Css3 / Javascript

    Pakistan - Last active: 2 days ago - Tests: 6 - Portfolio: 18

    Over the last 4 years, I have developed a wide range of websites using HMTL, DHTML, PHP, and MySQL including sites for startup companies and small businesses. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. I also have some experience in the following areas: SQL, Ajax, OOP, software design and testing, eComerce (OScommerc, Magento, Viart, Bigcommerce) , Databases (Mysql, Oracle), Programming (C, C++, Php, Perl, Java Script, Html, Css), OS (Windows,Linux,Mac), VOIP (Asterisk,IVR).

    Groups: BigCommerce

    $16.67 /hr
    2,113 hours
    4.65
  3. Waqas A.

    Waqas A.

    Mr.

    Pakistan - Last active: 4 days ago - Tests: 3 - Portfolio: 2

     Design and implementation of Vmware ESX and ESXi Server/ Vsphere and other virtual technologies (VMotion, SVMotion, VHA, SVHA, FT, DRS, Power Management etc.)  Performs the tasks of designing Advanced Security & Management Solutions.  Design and implementation of DNS Servers, Unbound DNS Server, Kerio Mail Servers, Send Mail Server, TACACS Server, CRM System, DOCSIS Cable Modem Termination System, Incognito DHCP Broadband Command Centre for CMTS.  Bandwidth management for Optical Fibre customers on Routers and Switches, Monitoring of links by using network performance monitoring tools such as Cacti, Manage Engine Netflow Analyzer, Solar Winds, Smonitor, Nagios etc  Implementation of routed & routing protocols, like OSPF, BGP, EIGRP in live environment  Worked on Cisco 2950, 2960, 3550, 3560, 3750, 6509 switches and 2500, 2600, 2800, 3600, 3700, 7200,  7600 series Routers in real environment approx. 500 Hours.  Implementation of (VLANs, VTP, RSTP, MSTP, ETHERCHANNEL, INTER VLAN ROUTING, HSRP, PRIVATE VLAN, SWITCH PORT SECURITY)  Design and implementation of VPNs ( Site-Site, Remote Access, DMVPN, IPSec over GRE, Get Vpn)  Design and implementation of MPLS VPNs  Management of CAR on routers and switches by rate limited feature  Design and implementation of (AAA with Local & Remote ACS Server, 802.1 x authentications, Proxy Authentication).  Design and Implementation of Microsoft Active Directory 2003 based on Microsoft best practices. Implementation of Anti virus Servers (Kaspersky, Sophos) in a medium sized company  Design and Implement SAMBA server using LDAP authentication for LAN users.  Design and Implementation of Send Mail Servers, MS Exchange e Server 2003/2007 based on Microsoft best practices.  Design and Implements SQUID 2.4, 3.1 Proxy Server based on Centos, Red Hat OS.  Implementation of different Network Performance monitoring tools such as (Cacti, Net Flow, Manage Engine OpUtils, SMonitor, Solar Winds, Nagios, JFF) to monitor WAN devices and different servers to optimize network resources and traffic.  Design and implementation of SIP on cisco voice gateways.  Design and implementation of MPLS VPNs  Support and Maintain Cisco Core Routers 7206VXR. 7600 Series, 2800 Series, small business series RV042, RV082 for vpn connectivity.  Supporting and Managing HEC Cisco Core and Edge Switching network.  Design and Implements SQUID 2.4, 3.1 Proxy Server based on Centos for differnet clients.  Deploy cacti, solar wind, cisco works Monitoring System to monitor Network and Bandwidth Usage.  Management of CAR on routers and switches by rate limited feature.  Design of Networking Infrastructure and resource sharing solution. The project covered the design of networking system, Servers, and applications in Windows 2003 environments. The project used TCP/IP as Network protocols and Star Topology.  Conduct Surveys on client sites and create project proposal and layouts for networks deployment and implementation.  Design and Implementation of BGP/MPLS, Traffic Engineering, Policy Based Routing PBR, Route Filtering, Redistribution, Route Summarization.  Catalyst IOS based Switches, VTP, STP, RSTP, Trunking, VLANs,  Layer 3 Switches, Logical Etherchannels, MLS.  IPSec, VPNs, AAA Model (RADIUS, TACACS+, Kerberos), Cisco PIX / ASA  Firewall, VPN Client, Juniper Firewall SSG5, SSG20  Design and Implementation of Incognito DHCP Server for assigning bandwidth to cable modem customers.  Media: Ethernet, FastEthernet, GigabitEthernet, FDDI, CDDI, Token Ring, ATM LAN Emulation.  Network Analyzers: Back Track 5 , Ethereal, Paketyzer, Radcom, Etherpeek.  Load Generator: Spirent Smart Bits, iperf, IPTraffic.  Leased lines 64k - 155Mb (PPP / HDLC), Channelized lines (E1 ), Fibre Optic Circuits, Frame Relay, xDSL, Load Balancing, Multi Homing, Satellite links. I also have extensive experience in following  Linux & Windows Integration in TCP environments  Expertise Linux Redhat, Ubuntu, SUSE, Centos, Debian, Slackware and Solaris Systems  Expertise in SQUID Proxy server. DNS Server, DHCP, Send Mail, Kerio Mail Server.  VMware ESX Server, Virtual Center, Distributed Resource Scheduling (DRS), VMware Data Backup , VMware Converter, VMotion, SVMotion, VHA, SVHA, FT, DRS, Power Management etc.

    $16.67 /hr
    154 hours
    4.71
  4. Miodrag Blagojevic

    Miodrag Blagojevic

    Serbia - Last active: 2 months ago - Tests: 6 - Portfolio: 3

    Linux administrator -Asterisk PBX -Apache (PHP) -MySql -Mail servers -Cpanel, Plesk, IspConfig -IRC Servers -LAMP -DNS (Domain hosts) -Game servers -Shoutcast servers Professional web designer -Joomla -Forum (vBulletin, phpBB..) -Wordpress -HTML

    $16.67 /hr
    7 hours
    5.00
  5. Tarik M.

    Tarik M.

    Asterisk, VoIP Expert, IP-PBX, linux, Server Admin, Firewall, OpenVPN

    Bangladesh - Last active: 25 days ago - Tests: 5 - Portfolio: 1

    Over 8+ years of IT experience in Server Systems and Network solutions, maintenance and support function. Expertise in Linux & Windows. I have in-depth knowledge of experienced Asterisk, A2billing, Freepbx / VoIP & Network Administrator procedure and documentation. * Asterisk PBX installation, support, advanced VoIP services development * Advanced Call Recording Solution using Asterisk * Hosted PBX applications (Asterisk, Freepbx, Elastix, A2billing, asterisknow) * Call Center applications (Vicidial) * VPN/OpenVpn installation and support Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. * Maintain 100% customer satisfaction through all available means I am also effective in digital and web graphics such as logo, banner, pdf forms and others related to arts and graphic designing. I am a multi-awarded Photographer. I am best in retouching photographs, making advertisements, retracing illustrations and making print materials such as flyers, brochures, posters, cd/dvd covers, packaging and labels, business cards and letterheads.

    $15.00 /hr
    0 hours
    5.00
  6. Dmytro Burianov

    Dmytro Burianov

    System Administrator, Server Administrator, IT Support

    Ukraine - Last active: 17 days ago - Tests: 3 - Portfolio: 1

    10+ years of experience in IT. I'm From Ukraine(UTC+2) I'm System Administrator, Server Administrator, IT Infrastructure Management, Information Security Management Systems (ISMS), IT service management, ITIL. My skills: - Cloud System: Azure, Amazon Web Services - Windows Servers: Windows Server 2003, Server 2008/R2, Server 2012/R2 - *nix system: Ubuntu, FreeBSD, CentOS, MacOS - Web Server: Nginx, Apache, Dedicated Server, VPS. - High Loading: HAProxy, Varnish, heartbeat - Networking Services: Active Directory, Group Policy, DNS, DHCP, FTP, VPN, NFS, RAID, DHCP, DNS, RRAS, TS server, Proxy server, Windows Failover clustering, Network Load Balancing (NLB), Remote Desktop Services. - Storage: S3, ISCSI, Fibre Channel, Configure NAS and SAN, Windows Storage, Openfiler NAS/SAN. - Backup: scripts backup, DPM, Windows Backup, S3. - Virtualization: Microsoft HyperV, VMware ESXi, Virtual Box, SCVMM, SCCM. - Database: MS-SQL, MySQL, Redis, MongoDB, Percona Mysql. - Mail Server: Exim, Exchange Server 2003, 2010, 2013. - Cloud Server: Azure, Amazon EC2, Private Cloud SCVMM. - Routing and Networking: IP addressing sub-nets, OSPF, NAT, VLan, MPLS, WirelessLAN - Management: ISO 9001, ISO 27000, ISO 20000

    $16.67 /hr
    4 hours
    4.99
  7. Abhilash M.

    Abhilash M.

    6+Years Experience- Windows/Oracle/HP/Cloud Certified Infra Architect

    New Zealand - Last active: 4 months ago - Tests: 17 - Portfolio: 3

    6+ Years experience in : * BMC Tools Design/Installation/Configuration. * HP Tools : Certified Accredited Integration Specialist * Windows Administration * Oracle certified Solaris Administrator * ITIL V3 certified Process designer. * Web Programmer * PHP/MySQL expert.

    $27.78 /hr
    787 hours
    4.99
  8. Farhan H.

    Farhan H. Agency Contractor

    Sr. System Administrator / MCP / VMware

    Pakistan - Last active: 1 day ago - Tests: 6 - Portfolio: 1

    Windows Server 2003, 2003 R2, 2008, 2008 R2, 2012 (Certified), 2012R2 Active Directory 2003 2008 2012 Microsoft Exchange 2003 2007 2010 2013 Microsoft Lync 2013 Asterisk Hyper V Vmware Microsoft SQL Server Microsoft SCCM Over the last 9 years, I have been providing my services in Deploying Data Centers, Disaster Recovery Sites, Microsoft Platforms (Windows Server 2003, 2008) including Domain, Exchange and Unified Messaging, Gaming Centers. My core competency is in complete end-end management of a IT infrastructure project. I am seeking opportunities to assist you in your day to day requirement for your IT operations.

    Associated with: MS Platform Experts, Microsoft Exchange Support, Mustafa Techs

    $16.67 /hr
    1,091 hours
    5.00
  9. Yasir Khan

    Yasir Khan

    Network Professional

    Pakistan - Last active: 10/02/2014 - Tests: 5 - Portfolio: 3

    Seeking valuable name in IT Field using my skills and knowledge in IT. Currently I have vast experience in System Administration (Windows NT Domain Network, Email Messaging, Internet Services, Web Publishing Services, Anti virus security, Data information security, Data Backup and recovery services), Network Administration (CISCO Structured networking, Routing & Switching, Designing fully converged and flexible OSPF/ EIGRP/ RIP data network, CISCO Communication Manager/ Asterisk Voice over IP network, Network Security firewalls, VPNs, IPS), Helpdesk Management (iTIL based helpdesk management policies, SOPs, Support desk team management, Helpdesk Management reports, team management services).

    $16.67 /hr
    22 hours
    5.00