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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, 59 Asterisk projects are completed every quarter on Upwork.

59

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 4.58.

4.58
Last updated: August 1, 2015
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  1. Ramiro Sabastta

    Ramiro Sabastta

    Telecommunication and IT expert

    Argentina - Last active: 06/05/2014 - Tests: 2

    I have a vast experience in customer relationship and project leading. Lot of experience working in the telecommunications market, in project management and technichal area with knowledge and management of various communication protocols (ISUP, SIGTRAN, SIP, INAP, CAMEL, etc) and networking including IMS, NGN, 2G, 3G and WiMax technologies Specialties:asp, c, c + +, computer hardware, database administration, english, intelligent network, ip, linux, excel, windows, msc, multimedia, mysql, oracle, networking, operating systems, oracle, php, programming, protocols, proxy server, pstn, python, routers, shell scripting, smp, sms, solaris, spanish, sql, ss7, switches, system tandem, tcp/ip, technical support, telecommunications, training, translation, troubleshooting, unix, vbscript, visual basic, voip

    $27.78 /hr
    0 hours
    5.00
  2. Kiril M.

    Kiril M. Agency Contractor

    Linux Admin / Networking / VoIP / Scripting / Web development

    Bulgaria - Last active: 07/06/2014 - Tests: 8 - Portfolio: 2

    Non-comprehensive list of GNU/Linux skills: - Debian-based distros - bash scripting - TCP/IP (networking) - netfilter/iptables (firewalling) - OpenVPN (virtual private networks) - OpenSSL (certificate management) - apache/nginx (web services) - cron (scheduling) - dovecot IMAP/POP3 and postfix SMTP (email) - asterisk PBX (voice over IP) - git (revision control) - syslog (advanced logging) - nagios, icinga, munin, monit (monitoring) - backuppc (backup) Non-comprehensive list of network management skills: - solid understanding of TCP/IP & Ethernet - monitoring tools - VLAN management - manageable switches in general - IGMP & IGMP snooping - OSPF & BGP routing protocols - GePON OLT & ONU equipment About me: Solid understanding of communication and web technologies is my primary area of interest and expertise. Over the last 7 years I've been a tech support for an ISP, a systems & network administrator and a web developer. As a network administrator for 2 years, I discovered what it means to maintain a large-scale MAN (Metropolitan Area Network), including internet access, setting up and managing IPTV streaming through IGMP and IGMP snooping techniques. I've setup BGP so the provider can have a backup route for his services. I'm falimiar with the nature of the technical issues that can occur and the different ways of handling and preventing them. I'm experienced in ethernet & GePON networking equipment. I've managed network equipment from most major vendors, Cisco, HP, DLink, Dell and Fundry, just to name a few. I've been working with Debian GNU/Linux professionally for 2 years as a systems administrator for a Bulgarian tourist resort and 2 years maintenance the services infrastructure (web, mail, vpn, samba, domain management, monitoring, ticket resolution systems, asterisk voip). I worked at a web development company for a year, doing back-end web development with different and frameworks, such as django, rails, express.js, along with infrastructure administration tasks and support. Languages: html5, bash, python, ruby, javascript Databases: mysql, postgres, mongodb Hobbies & interessts: - x86 assembler - system security forensics - electronics

    Associated with: Samsourcing

    $16.67 /hr
    59 hours
    5.00
  3. Thanh T.

    Thanh T.

    VOIP, Django developer

    Vietnam - Last active: 21 days ago - Tests: 2 - Portfolio: 2

    I have more than 5 years experience in VOIP, as a system administrator, and a Django developer. I have done many projects relate to VOIP. I have developed some web conference, Web Portal, Commercial for VOIP service. Hosted PBX. I am very familiar with Asterisk, FreePBX, Freeswitch, FusionPBX, Kamailio, Siremis, Elastix, OpenFire, Trixbox, VICIdial, Newfies Dialer. I am very hard working and have strong knowledge in these technologies.

    $18.89 /hr
    76 hours
    3.70
  4. Rai Icasiano

    Rai Icasiano

    Frontend and Backend Developer

    Philippines - Last active: 26 days ago

    Currently leading a team of developers Trained developers to enable them to handle web projects Lead and implemented SCRUM methodology for the team Handled web-based projects as well as Pragmatic RESTful API design and implementation Have been an instructor for 1 semester on Web Programming Concepts Experienced in the following languages/technologies: Backend - VOIP(openSIPS for load-balancing, Asterisk for PBX) - PHP - Perl - Node Frontend - HTML - CSS - Javascript - Jquery - Angular Testing Tools: - Apache Benchmark(load) - JMeter(load and endpoint testing) - PHPUnit Others: - Linux-based platform: Debian/Red-Hat - Web Server Deployment and configuration: - Apache - Nginx - SSL - SSI - Databases - MySQL - Postgres - MongoDB - Deployment of Gitlab - Google Analytics - Deployment - Event Tracking - Goal Flows - Security: - Signed Requests implementation - OAUTH 2.0 implementation

    $11.11 /hr
    0 hours
    0.00
  5. Bikash Shrestha

    Bikash Shrestha

    Network & System Engineer

    Nepal - Last active: 28 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
  6. Lucho Cizara

    Lucho Cizara

    SysAdmin / MySQL DBA

    Argentina - Last active: 13 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