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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. Roman P.

    Roman P.

    Senior Developer

    Russia - Tests: 3 - Portfolio: 2

    I am senior PHP Developer more than 8 years. Me or under my leadership, was more than 100 projects of varying complexity. What will you get by hiring me: 1. I have a lot of experience in designing applications, I will help to make the product specification, and avoid many problems in the future. 2. I perfectionist and get everything to work without bugs. 3. Always online. I am available most of the time of day, so respond promptly to your messages. 4. I always meet your needs and deadlines. 5. I have experience with git and many bug-tracking systems and I will share current progress with you such often as you want. Listed below are my experience and skills. — ZF2, CodeIgnitor but most likely Symfony2, — JavaScript; — MySQL, Oracle; — Git; — PHPUnit — CMS: Modx, Bitrix, Joomla, Prestashop — phantomJS, selenium — Redmine, Jira; — Perl, Ruby — Administration: Linux, Mac OS. I have a Specialist (Russian academic degree more than Bachelors) in Software Engineering from Rostov State University.

    $27.78 /hr
    119 hours
    5.00
  2. Avinash Mohod

    Avinash Mohod

    VoIP / Contact Center/ Network / Firewall /UCS expert 12yrs Exp

    India - Tests: 3 - Portfolio: 1

    BE in Electronics and Telecommunication with 12 years of experience in Contact Center, IP Telephony, security, LAN / WAN installation and administration. Technical Exposure:- Data Center: Vmware 5.x, Cisco UCS Contact Center: - UCCE 7.x, UCCX 7.X/8.X, Verint loggers VoIP: - Cisco: Call Manager 7.x/8.x, Cisco Unity/Unity Connection 7.x/8.x, CUPS 7.x/8.x, CUEAC 8.X, MP 7.x/8.x. CUBE, Voice Gateways, MeetingPlace 7.x/8.x, CME 7.X/8.X, CUE 7.X/8.X Asterisk: FreePBX, Elastix 3CX Video: Cisco MX200/300 Network: - Cisco Routers (7200, 3900, 3800, 2900)) & Switches (6509, 3750, 2900), Frame Relay, ATM Routing Protocol: - OSPF, BGP, RIP. Security: - Cisco ASA 5500, Cisco FWSM, Check Point Firewall Network Tools: -Ethereal, Observer, Solarwind, Netflow. Operating System: - Windows 2003/2008, Linux.

    $16.67 /hr
    144 hours
    4.56
  3. Vladimir Mitrofanov

    Vladimir Mitrofanov

    System Administrator Linux

    Philippines - Tests: 4

    I spent more than three years by being IT manager of two call-centers in Philippines. And one of them I built myself from scratch. This is how I got my experience about VoIP stuff. I have tried all - GNUdialer, vicidial, goautodial and Asterisk along with FreePBX. I'm not an "expert", but I have enough skills to setup a well working, secured VoIP system. Now I'm positioning as junior PHP programmer. For one year I'm studying PHP (yii, wordpress), jQuery, MySQL.

    $5.56 /hr
    389 hours
    4.64
  4. Hosam A.

    Hosam A.

    Telecom & IT Administrator

    Palestinian Territories - Tests: 4 - Portfolio: 3

    From August 2006 - Present (Fusion Ltd. For Internet Services & Telecommunication Systems )  Voice: (2008 – present) ----------- Design, monitor, report, Configure, Implement, and support VOIP solutions as the following: o VOIP soft switch such like Genband SBC o Follow voice traffic with wholesale customers and suppliers with following their NOC tickets o VOIP SIP-Based application servers o Build calling card, voice over broadband services and offers using strong platform with combined services, including prepaid and postpaid o Related with Cisco voice products and use it in joining Toll free access numbers or in termination process o Related with Quintum Tenor AX, DX series o SIP / H.323 devices o IP-PBXs Switchvox Digium SMB and integrate it with customized customer support ticketing system o IVR service using Digium Appliance o Any VoIP media gateway (cisco, Quintum, grandstream, Linksys , ...)  Voice Carrier Relations: (2009 – Present) o Contact telecom and VoIP providers and make interconnection with them o Follow accounts , billing , statements and apply route testing o Use 3rd party solution for billing integrated to Genband SBC for some months  Networking: (2006 – Present) ---------------------------- o Deploy wired / wireless networks and support virtual private networks applied by fusion to (electricity company, Islamic university of Gaza , college university ) o Deploy WiMax wireless networks (a project built to UNRWA school , support 240 school ) and also have B.S inside company o Work with cisco routers o Install virtual machine data center using VMware vSphere 5.x and making clustering using vCenter and monitor VMs o Install Microsoft & Linux servers o Build DNS , Video Streaming ,Web , Mail server , … o Deploy cache server using WCCP and apply basic filtering with GRE and L2 via Cisco router. o Install Veeam backup system for virtual machines and vSphere  IT Automation Managed Services------------------------------------ o Kaseya IT Automation Solution for managing end user and corporate machines with automated schedule procedures like automatic windows installing, Kaspersky and AVG antivirus installing and scanning with automatic detecting and deleting of viruses.  Business Process Management:------------------------------------------ o ARIS Business Processes Management: which help companies and institutions to minimize the gap between AS-IS processes and business plan process, the software is auto-documented and help institutions to get the right position tasks with ability to change process and improve it  Power Networking Fields:-------------------------------------- o Configuring & installing BPL system ( Broadband power line communication ) o Configure and install AMR (Automatic Meter Reading) system for GDECo. – Project applied in 2007 o Also working to integrate passive fiber with BPL for new project (GPON/BPL)  Video:----------------------------------- o Related with video conferencing solution which focus on bandwidth consuming and provide SD/HD features with (whiteboard , file transfer, record video , document sharing ) o Use Microsoft expression encoder to build live stream solution o Working with E-learning and video conferencing solution integrated with moodle , an open source of course  Sales Engineer o Work with market team for promoting , advertising fusion campaigns , exhibition , web designs , companies relations o Work as sales engineer to sell fusion integrated services such like voice + internet, hosted solution, etc. .. Projects:  WiMax School Net –UNRWA 2007 - Work as Technical and System Engineer for deploy and install mini-towers in UNRWA schools - installing WiMax CPEs and configure it to the uB.S and align it - continue support UNRWA Engineer for WiMax Maintenance  AMR (Automatic Meter Reading ) – GEDCo 2007 - Install main controller unit in low voltage feeds - Connect 1 phase and 3 phase digital meters to it - Signing meters to the controller - Install AMR system to HQ office server - Connect AMR system with controller unit using WiMax as private network with Eth. To Serial converter - Learn GEDCo Engineer to how work with AMR solution from end-to-end  VoIP Project – Fusion 2008 - Its internal work which need to deploy and configure the following : a. Cisco VoIP gateway for connecting PRI as Access Toll Free numbers and for Termination b. Genband SBC for switching between calling card platform and suppliers c. SipHive Verscom Broadband and calling card platform d. GSM gateways like HyperMedia for customers e. Quintum Tenor for termination and origination  IP-PBX – Fusion 2010 - Deploy and configure Digium Switchvox AA305 - Installing PRI card and configure it - Installing FXO card - Configure extensions , groups , templates , access control , IVR , music on hold , recording , time framing ,

    $22.22 /hr
    131 hours
    5.00
  5. Mirza Sameer Uddin Berlas

    Mirza Sameer Uddin Berlas

    IT Service Management , IT project and support operations

    Pakistan - Tests: 14 - Portfolio: 6

    I am an IT consultant with experience and industry training of ITIL v3 Foundation. I have been involved in Service design, transition , operations & support phases of implementation of IT policies as per ITIL best practices. If hired, I would be able to offer following but not limited to; - Complete documentation of IT hierarchy, & technical glossary. - Design & implementation of IT services catalog. - Service desk operation & escalation procedures. - Incident management with guidelines of SOP & SLAs for support best practices. - Plan to implement any change, release or retire any IT service. - And much more . . .

    $16.67 /hr
    487 hours
    4.33
  6. Dmytro Burianov

    Dmytro Burianov

    System Administrator, Server Administrator, IT Support

    Ukraine - 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. Shafique Wains

    Shafique Wains

    Ch. Shafique Wains

    Pakistan - Tests: 6 - Portfolio: 1

    Over 6+ years of experience with Asterisk PBX installation, configuration and trouble shooting. Have working experience in different trunking mechanism (SIP, IAX, Zap). Excellent Working experience in Call Center Operation (Inbound/Outbound). Over 7 years of general computer experience, extensive experience installing, maintaining and troubleshooting Windows systems, office applications, security software, Linux, Apache and other. Skilled in computer hardware and various devices. Extensive I.T. skills and experience gained since 2004 with a proven track record of improving network efficiencies and profits by establishing I.T. projects to Network Management-Operations Support System implementations, including, Routers, firewalls, VPN's, Server, security and network performance to Service Level Agreements. Also programming and testing experience. Can work within budgets and deadlines. Up-to-date on IT developments. Now looking to make a significant contribution within a new challenging role designing, supporting, administering and implementing network projects.

    $20.00 /hr
    0 hours
    4.10
  8. Alexandru Covalschi

    Alexandru Covalschi

    VoIP engineer, Linux System Administrator

    Moldova - Tests: 3

    I'm a Junior VoIP engineer, so increasing my skills is my main goal. Fluent english and "technical mind" helps me a lot in this activity :) I like making communication easier by creating solutions that just work, making people satisfied. Experienced in Kamailio, Freeswitch, Asterisk load-balanced, clustered HA systems. My skills allow to combine classy SIP and PSTN with WebRTC and video in short terms, building scalable systems which support such services as voicemail, IVR, autoprovisioning and etc. Also I have experience with cgrates, RADIUS and A2Billing.

    $10.00 /hr
    0 hours
    4.53
  9. Sergey Lapchinsky

    Sergey Lapchinsky

    System and Network Administrator

    Ukraine - Tests: 3

    More than 20 years of experience in Unix, Windows systems, switching and routing.Consulting, design, installation, configuration, support networks on various vendors equipment. - OS: Windows server 2008 - 2012R2, CentOS, RedHat, FreeBSD - Routing: RIP/OSPF/EIGRP/BGP/MBGP/PIM - Switching: VLANs/VTP/STP/RSTP/PVST/802.1q/LACP - VPN: Dynamic VPN/FlexVPN/IPSec/Q-in-Q/ - WAN: Ethernet/CWDM/PPP/Frame Relay - IP services: NTP/SMTP/SNMP/TFTP/FTP/HTTP/DHCP/DNS/NAT - IP multicast: IGMP/PIM-DM/PIM-SM/MSDP - Monitoring: Syslog/SNMP/Netflow - Wireless technologies/QoS/MPLS/CoPP - Web services (Apache, Nginx, PostgreSQL, MySQL, PHP) - VoIP (Asterisk, Elastix, Trixbox, SoftPhone, VoIP phones) - IP Surveillance Vendors: - Cisco Systems (routers and switches),Extreme Networks (switches), Juniper (switches), Mikrotik (wireless), Ubiquiti (wireless, ip surveillance), Dlink (switches), EdgeCore (switches) - Various vendors of SOHO network equipment.

    $20.00 /hr
    9 hours
    5.00
  10. Sebastian R.

    Sebastian R.

    System and Database administrator

    Poland - Tests: 1

    I'm system and database administrator with huge experience. I have been working with systems and databases in banking and webhosting area. Keywords in use: Oracle, mysql, postgresql, Linux, webhosting, storage, SAN, NAS, security, performance, troubleshooting, perl, bash, nagios, mail, dns, ssh, ftp, http I can help you in performance problems, issues which need some sysadmin troubleshooting. I can help you in setup new environments, provides guidelines and so on.

    $33.33 /hr
    0 hours
    5.00