Asterisk Consultants & Developers

Get Your Asterisk Project Started Today!

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: May 1, 2015
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  1. Malith H.

    Malith H.

    Network and IT Security Engineer Cisco, Juniper,Checkpoit, Microsoft

    United Kingdom - Last active: 3 months ago - Tests: 1 - Portfolio: 1

    To work in a competitive environment that effectively utilizes my analytical, interpersonal, leadership and organizational skills to conceive and achieve solutions. The solutions which help the organization in not only meeting its targets, but also allowing it to grow, thereby, enhancing my own skills as an individual and as a key player in the organization's development. Summery Over 5+ years of experience in planning, designing and implementation of LAN/WAN, WLAN, VPN networks. Expert knowledge of Cisco and Microsoft networks environment. Hand on experience in network, security, systems administration and systems support. Certified in CCNA (R & S), CCNA Security and CCNP certified (Routing & Switching); comfortable with Cisco 806, 1600, 1700, 2500, 2600, 3600, 7200 Series Routers, Cisco Catalyst 1900, 2900, 3500, 3650, 3700 Series Switches and wireless access points and bridges (Cisco Aironet 1200 series APs, 1300 series Bridges ) Expertise in SME LAN,WAN & CAN design, configuration & implementation with cisco devices, wireless network design/configuration & implementation, good working knowledge in Wide Area Networks (WANs) e.g. ADSL, MPLS, Frame Relay, PPP, ISDN. Experience in security implementation and firewalls, Site-to-Site & Site-to-Multisite VPN, DMZ, SSL, remote access and access control servers. Good hands on experiences with checkpoint safe@office 500, Check Point U-5 130, CheckPoint CPUTM-EDGE-N32 and Cisco ASA firewalls. Good knowledge of configuring Cisco based routing e.g. RIP, EIGRP, IGRP, OSPF, BGP, MPLS, VRF,HSRP, VRRP, GLBP, NAC, route redistribution, NAT, Route maps and switching e.g. VLAN implementation, STP, VTP, Access lists, L2/L3 Switching etc. Experience in designing cable and wireless networks, structured network cabling such as STP, UTP, coaxial etc., installation and configuration of LAN, WAN and wireless networks with active components such as routers, switches, firewalls, modems, access points, repeaters etc. Well understandable knowledge and hands on experience in Windows server 2003, 2008, Linux Cent OS and Redhat 5.

    $15.00 /hr
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  2. Mark Richards

    Mark Richards Agency Contractor

    Director

    Spain - Last active: 06/03/2012 - Tests: 1 - Portfolio: 4

    The Webcliq company consists of staff that have undertaken a variety of internet and traditional programming projects across more than 30 years. We have served clients both large and small, startup and well established. We have significant experience of accounting and finance, manufacturing and production, recruitment and personnel, sales and marketing. We have excellent skills in technology allied with an in depth experience of how this technology should be used for business benefit. Our Mission Statement states that we seek to find solutions to business problems using the power of information technology. We are actively involved in developing our own multi-lingual dynamic, database driven, portal and programming environment to meet the needs of the special marketplace that needs web sites for multi-lingual environments, especially within the European Community. We work in ASP, PHP and ASP.NET. As well as developing our own programs, we have experience developing web sites with popular CMS programs such as Umbraco, Drupal and Wordpress. We also work with open source programs for specific projects such as Sugar CRM, vTiger, Dynamics, OpenERP (now ODO), OrangeHRM, OpenCATS, Webaccounts, Magento, X-Cart, osClass and our Cliqon based business directory. We describe ourselves as an Internet Presence Provider, that is, we assist companies to improve their presence on the internet or take advantage of the internet to improve their business. The former means that we work on communications and networking projects. The latter means that we setup and manage Cloud Servers, web hosting, email servers and all matters related to Domain names. We also work on SEO and utilising social networking such as Facebook and Twitter to improve business presence.

    Associated with: Webcliq

    $38.89 /hr
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  3. Neeraj Chand

    Neeraj Chand

    Asterisk/ VOIP/Video Conferencing Solutions Consultant

    Fiji - Last active: 1 day ago - Tests: 3 - Portfolio: 1

    Solutions architect and project manager with a strong focus on VOIP and voice driven applications including IVRs,pabx systems, and call center integration leveraging open source and closed source technologies to implement customised solutions. Flair for systems analysis and design with advanced communication and people skills. Specialties: Linux / Unix - Advanced Asterisk - Advanced VOIP - sip/iax -advanced Windows XP / Server - advanced Windows 7 - Intermediate Cisco routing/switches - advanced MSSQL - Intermediate MySQL - advanced Predictive Dialer systems - Advanced Excel - advanced c # - advanced Procurement / professional communication - advanced perl - intermediate Genesys Call Center Systems - Advanced Avaya - intermediate Current Roles / Achievements Responsible for all Voice / VOIP infrastructure across the OCIS group. Enhanced call handling efficiency by approximately 40% - via software upgrades and enhanced configuration. Developed enhancements to integrate with line of business systems and provide visibility on call patterns through visual tools. Added web based video conferencing, screen share and web chat to the portfolio of services available to all OCIS business users. Integrating Polycom auto provisioning systems with voice solution to make service delivery more robust and efficient. Currently developing intelligent routing systems for VOIP using EIGRP on cisco core devices. Integrating DUNDi, database functions, static variables from MySQL clusters with a self healing voip routing solution as the end goal

    $50.00 /hr
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  4. Dhaval Soni

    Dhaval Soni Agency Contractor

    Systems Administrator and Architect

    India - Last active: 7 days ago - Tests: 6

    Accomplished Systems Administrator and Architect with 10+ years of experience and with valid Business Visa of USA, managing server infrastructures and data-centre operations across multiple platforms (Unix, Linux, Windows). Effectively plan, install, configure and optimize the IT infrastructure to consistently achieve high availability, security and performance. Proven ability to create and deliver solutions tied to business growth, organisational development and systems/network optimisation. Skilled problem identifier and trouble-shooter, comfortable managing systems, projects and teams in a range of IT environments. A curious, open mind and very strong work ethics.

    Associated with: Phoenix Binary System Pvt. Ltd.

    $16.67 /hr
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  5. Shan Jay

    Shan Jay

    Telecom professional with 8+ years of experience

    India - Last active: 3 months ago - Tests: 1

    -- A dynamic professional with 8+ years of experience in Business Analysis, Solution Architecting, Pre Sales, Technical Sales, Project Management, Delivery Management in Telecom verticals like VoIP, MVNO, GSM, VPN, Telecom Billing, OSS/BSS , Mobile Money, MNP. - Excellent knowledge in Architecting different MVNO Models,telecom Billing, Baseline set-up, E2E VoIP Integration and Enterprise Reporting related issues. Technical Knowledge : - GSM - HLR, STP, GMSC, MSC, SS7, USSD, IVR, SMSC, GGSN, Load Balancing, prepaid and postpaid billing systems Cloud Based Architecture for MVNO, MNO. - MVNE – Implemented different Models of MVNE Architectures all over the world. - Telecom Billing – Siebel CRM, BRM, AIA, Andes, eTOM. - OSS/BSS Stacks. - VoIP – SIP protocols, Asterisks, Mobile Dialers, Transcoding , Codec’s handling, VoIP System Architect. - C++ Programming skills.

    $44.44 /hr
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  6. Anoop Ramakrishnan

    Anoop Ramakrishnan

    Windows2008,2012,Active Directory,VmwareESXI BackupExec,Appsure,

    India - Last active: 09/04/2014 - Tests: 1

    Specialized in Windows 2003/2008, Exchange 2010, and Linux (OpenVPN, ClearOS proxy -Integrated with Active Directory) VoIP (Asterisk-FreePBX) .Expert in VMwareESXI 5,Vcenter Server VMotion, Host HA , P2V conversion You can approach me with anything that you have in mind.We have the right set of knowledge and experience to materialize your need and desire. In short, I will help you getting an end-to-end infrastructure solution that meets your business needs and reduces your... cost.

    $15.56 /hr
    0 hours
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  7. Criss Peña

    Criss Peña

    Marketing director

    Colombia - Last active: 10/08/2013

    With faith in God and always having a vision of people, extensive experience in the management of call centers from the administrative area to the operational area without discarding the technical area, developer of modern outsourcing strategies to suit the needs of customers and giving them guarantees up to 50% at BPO's, implementation of projects based on risk evaluation of centers for the implementation of projects in telemarketing, designer techniques aggressive marketing, market analysis, generation of customers through study market by phone , staff training for call center, sales professional under outbound model, metric optimizer inbound models, entrepreneur, trader of electronic products at the corporate level, VOIP telephony provider, supplier database for the U.S. market with guarantee, Spouse, parent and as the possessor of a faith principle that always makes me put all my projects in the hands of God Joshua 1:9.

    $27.78 /hr
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  8. Usman A.

    Usman A. Agency Contractor

    Network Security Analyst

    Pakistan - Last active: 02/28/2012 - Tests: 3

    • Core Impact Certified Professional (CISP) • Hands on experience with penetration testing suites such as Core Impact, Metasploit Frame work and Back Track. • Vulnerability assessment and mitigation procedures • Research, analysis, development, and deploying new processes and procedures to implement solutions for use by IT Technicians to meet future problem resolution needs. • Serve as technical expert providing support to IT staff. • Produce specifications to detail what new systems can do or enhancements to existing systems. • Develop and document configurations of the following: databases, servers, Computers, security and network monitor systems, packaged programs and communication systems. • Test programs and systems and integrates system modules. • Provide training or arrange end user training for end users. • Deployment & maintenance of enterprise ANYCAST, Authoritative, Recursive DNS systems. • R&D for proof of concept RCND (Reverse Content Delivery Networks) for ISP side content acceleration and delivery. • Complete security audit of on-site and off-site mission critical hardware and software infrastructure. Advanced knowledge of remote and local exploits. Penetration system testing for known exploits. Mitigation against DDOS and DOS attacks. Coordination with upstream provider to resolve attacks and network abuse. Knowhow of IPTables, shore wall and other firewall and routing suites. • Companywide Enterprise WPA2 WiFi Setup • Enterprise Grade Asterisk / Kamailio VoIP Security deployment(SRTP over TLS) • Deployment of Network wide Management Service Platforms (Gateways, IDS, Proxies and UAC) • Network and System heartbeat/peformance monitoring, alert management and troubleshooting • Deployment of Linux, Windows and SunOS servers. Tailoring the deployment software to the needs of the application to be made live. • Research and feasibility studies on Cloud computing and storage solutions.

    Associated with: Nerds 2.0

    $14.00 /hr
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