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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.

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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, 61 Asterisk projects are completed every quarter on Upwork.

61

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 4.57.

4.57
Last updated: August 1, 2015
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  1. Max Topal

    Max Topal

    VoIP/Network/Linux Engineer

    Russia - Last active: 1 month ago - Tests: 3

    Over 8 years hands-on experience. I have deep knowledge on VoIP Hardware and softswitches from open-source one (Asterisk, Elastix, Askozia, Freepbx, CallBox, Trixbox, Welltime, Yeastar) to licensed (Switchvox, Panasonic, Mera, RTU) . I am providing Asterisk-based PBX installation\integration, support, troubleshooting and consultations. Fully manage the installation, configuration and troubleshooting of Linux servers * Install and configure Web Servers and MySQL, PostgreSQL * Install and configure customer scripts and programs * Monitor performance to identify and resolve issues using a suite of systems and tools. * Provide VoIP Security * Troubleshoot and resolve network, system, hardware and software problems. * Achieve quick fixes and / or long-term solutions as needed. I have more than 100 successful IP-PBX server deployments, so I am confident that you will be satisfied with my work completely.

    $20.00 /hr
    0 hours
    0.00
  2. Dmitry S.

    Dmitry S.

    Software Engineer/VoIP Expert

    Ukraine - Last active: 9 days ago - Tests: 2

    More than 20 years of hands on experience encompassing systems administrator, network administrator, software development for large scale server systems, web applications, mobile devices, embedded systems, etc. In my career I've touched almost every aspect of IT. Primary technical skills: - Linux administration, VoIP systems for heavily loaded call-centers. LAMP environment. - C/C++ in Linux environment, kernel-level programing - Java programming for Android devices - RoR web development I have a Master's Degree in Computer Science. Looking forward to hearing from you, Dmitry

    $15.00 /hr
    0 hours
    0.00
  3. Bikash Shrestha

    Bikash Shrestha

    Network & System Engineer

    Nepal - Last active: 26 days ago - Tests: 2

    I have been doing the system/network administration for last 6 years. My core area of work involves setup, maintain and troubleshoot system and network administration. I had successfully implemented and troubleshoot various system and network administration. My work platform includes (but not limited to ) Microsoft, Cisco, VMware, Citrix, Linux, IBM, SAN, Veritas etc. Below are the services which i have been providing to the organizations Microsoft platform : Active directory on w2k/w2k3/w2k8. IIS 6/7 web server/application server/file server/ smtp component for relaying. Certificate services as PKI in w2k/w2k3/s2k8. Visual SVN as subversioning and repository. Exchange 2003/2007/2010 and MDaemon for messaging solutions. WSUS, RDS, Terminal Services, Hyper-V DNS, DHCP, RRAS, Network Policy services. IPSec services PPTP and L2TP VPN Server. Kernel Debugging with Microsoft Debugger and kd tools SQL server 2008 Database administration. VBscripting for standalone and Active Directory environment. Linux services: LDAP with and without samba server. Qmail, postfix, Exim and sendmail as message transfer agent. Dovecot and courier as IMAP and POP3 server. smtp-auth, spamassasin, SPF with linux MTAs. Apache as webserver, apache and git as version control server . ssh server with and without password (with certificates and passphrase). VNC , screen as terminal services. oracle, mysql and postgresql on linux/unix. IPsec site to site and ssl vpn using freeswan, openswan and racoon. linux as firewall gateway using bash/perl gateway along with iptables, psad, and snort. bandwidth shaping policing services using htb and tcng. Voice server based on sip with h.323 support based on asterisk (trixbox, elastix, go-autodial ) with vicidial. quagga/zebra as advanced routing solutions. squid 2/3 cpanel/whm Amanda/zamanda/Bakula/rsync for backup services TCP Wrappers for hardening linux security. ext3/ext4/JFS on linux. puppet as configuration management. clonezilla. Debugging linux problems with signal trapping using bash scripts Networking : OSPF,EIGRP,RIP,BGP routing on cisco, juniper and open source in linux. Acess lists on cisco routers and security appliances (pix/asa). static and Dynamic NAT on cisco, juniper and open source linux/unix. L3 routing in cisco switches. SCCP/SIP in cisco CME, and call manager. INter vlan routing, site to site vpn, PPP/HDLC wan protocols, route summarization, equal/non equal cost load balancing. server virtualization on openvz, proxmox VE, KVM, XEN, citrix, vmware etc. desktop virtualization using citrix xendesktop and vmware view. App virtualization using citrix xenapp and vmware thinapp. user virtualization using citrix profile unity and appsense environment manager. ISCSI and Fiber channel based storage. IBM infosphere guardium for database security and data compliance CA identity minder and site minder.

    $10.00 /hr
    0 hours
    0.00
  4. Lucho Cizara

    Lucho Cizara

    SysAdmin / MySQL DBA

    Argentina - Last active: 11 days ago - Tests: 1

    I am a hard-working and enthusiastic Amazon Web Services Expert and Apache Expert. I have gained an extensive experience in the areas of Amazon Web Services and Apache through working for many global employers. I also have great experience working as a Asterisk PBX Developer and Database Administration Engineer throughout my career. I also have great experience and a thorough understanding of Linux. I can work along well and do my best part to bring a good name for your company.

    $50.00 /hr
    0 hours
    0.00
  5. Christian Morre

    Christian Morre

    An Experienced Network administrator and Technical support.

    Philippines - Last active: 17 days ago - Tests: 1

    A Certified Microsoft Professional in Windows Server 2012 virtualization and a result –driven professional with extensive experience in the administration and support of information systems and Telecommunication fields. In-depth expertise in implementation, analysis, optimization, troubleshooting of LAN/WAN network systems. Strong hands on technical knowledge in Networking, LINUX Administration, VOIP Administration, Computer Troubleshooting.

    $4.44 /hr
    0 hours
    0.00
  6. Benedict T.

    Benedict T.

    Asterisk / Linux / VICIdial / FreePBX / VoIP

    Philippines - Last active: 29 days ago - Tests: 2

    4 years of I.T., Experience of Callcenter Solutions, VoIP and Telephony, Installed, configured and support numerous Asterisk / Vicidial / PBX Servers, I can provide Asterisk, Vicidial, PBX, CentOS, Linux, MySQL, configuration and support. I have experience of building web applications using WorPress, CodeIgniter, PHP, HTML5, MySQL, CSS, and JavaSccript. I am a well dedicated IT professional and hungry for innovation.

    $3.00 /hr
    0 hours
    0.00
  7. Khurram Shahzad

    Khurram Shahzad

    System Administrator

    Pakistan - Last active: 11/04/2014 - Tests: 2

    I started my career as Associate System Administrator at MaxTelecom in August 2008. Since then I have worked on different environments with respect of scale and complexity. I do have hands on experience on Windows servers (Domain, IIS, SQL,ISA) but most of my experience is with Linux servers that includes Apache, Tomcat , Mysql, DNS, Mail, DHCP, FTP, Asterisk, Squid and Snort. Currently I am working as System Administrator at Zigron.

    $5.56 /hr
    30 hours
    0.00
  8. Tushar Jain

    Tushar Jain

    Voice & Data Consultant

    Australia - Last active: 06/07/2014 - Tests: 3

    Tushar is a seasoned professional with 11+ years of experience in managing network operations in a service provider / NOC environment. Experienced & Skilled in Telecoms, MPLS, BGP, VoIP, SIP, Network Support and Managed Services, Remote Network Monitoring, Networking Services, Carrier Services , Telephony Services, IT Managed Network Services, Remote NOC Support. With an In depth design, implementation and support experience in Integrated network management system, Prepaid billing system, Switching, VOIP & Telephony services, SIP Trunking and many more areas, he brings with him a wide experience and has proven to be of great value to all the organizations and clients he has worked for.

    $22.22 /hr
    0 hours
    0.00