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 oDesk, 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 oDesk for free!

Asterisk Job Cost Overview

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

oDesk Asterisk Jobs Completed Quarterly

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

52

Time to Complete oDesk Asterisk Jobs

Time needed to complete a Asterisk project on oDesk.

Average Asterisk Freelancer Feedback Score

Asterisk oDesk freelancers typically receive a client rating of 4.59.

4.59
Last updated: May 1, 2015
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Abu Sufian

Abu Sufian

Linux,VoIP and Windows Server/Network Administrato...

Bangladesh - Last active: 7 days ago - Tests: 9 - Portfolio: 10

I have over 6 years of hands on experiences in maintaining various servers mostly Microsoft & Linux based systems. Areas of my expertise are: 1. Asterisk, Elastix, Trixbox, FreePBX, Vicidial, A2Billing 2. Amazon EC2,S3,VPS,VMWare,ESXi,Xen,Open VZ 3. Mysql & MSSQL server 4. Windows based Servers, LAMP, Mail, DNS, Proxy Server 5. OpenVPN and L2TP/IPSec VPN 6. Webmin,Cpanel, WHM,Zpanel 7. Cisco,Mikrotik, DD-WRT,OpenWRT

$8.00 /hr
1,684 hours
4.99
Arsen S.

Arsen S.

VoIP Administration & Development

Bulgaria - Last active: 7 days ago - Tests: 2 - Portfolio: 6

I am focused in VoIP field only and I have been working here for more than 8 years. My Area of experiences: VoIP -Asterisk PBX: Full proficiency -FreeSWITCH: Full proficiency -Yate: Full proficiency -Strong knowlege of SIP protocol and SIP routers/proxy servers -OpenSER (Kamailio/OpenSips) -Load Balancing, Least Cost Routing, High Availability, NAT Traversal, Rate and billing systems, etc. -IVR and Auto Attendant Development -Secure VoIP: TLS, SRTP, ZRTP SQL -MySQL/PostgreSQL - design, maintenance and optimization of databases -NoSQL: MongoDB Various Billing solutions and GUI: -A2Billing: Full proficiency (configuration from scratch, customization) -CDRTool (prepaid billing/accounting and sip tracing for OpenSIPS using RADIUS) -CDR-Stats (call detailed statistic/realtime for Asterisk and FreeSWITCH) -vBilling (billing for FreeSWITCH) -FreePBX: GUI for Asterisk -Fusionpbx: GUI for FreeSWITCH I have successfully completed large amount of commercial installations of VoIP PBX servers. From SOHO to Enterprise deployment including integration of various VoIP solutions into existing network environment. I also have experience in building of secure "bastion" VoIP/Linux servers. Terms: Hourly based projects: -Current hourly rate is $40. Fix price projects: -Fixed price projects are calculated based on the hourly rate and expected task complexity. -For all fixed price projects complete project specification with clear tasks description is required -For all fix price projects work will be started only after payment has been escrowed and both parties have agreed with working terms.

$55.56 /hr
110 hours
5.00
Suphal B.

Suphal B.

DevOps,Architect,Integrator,Expert In Server,Syste...

India - Last active: 1 day ago - Tests: 3 - Portfolio: 7

WHY WILL YOU HIRE ME ? - --- TOP 1% OF SUCCESSFUL oDesk FREELANCERS http://postimg.org/image/3li7gl9z1/ --- MORE THAN TOTAL 10,000 OF oDesk WORKING HOURS AND STILL COUNTING ! --- MEMBER OF PRESTIGIOUS oDesk VERIFIED WEB DEVELOPERS GROUP. Possible Expert and Business Savvy Solution In Cost Effective And Timely Manner To Serve Best In Industry With Satisfaction Guaranteed. I not only deliver but also make your business profitable. [RHCE, CCNA, RHCVA, RHCSS Certified] Committed to work on any challenging project likewise Enterprise Level Unix, Linux, Windows Server And Network Administration, AWS/EC2,Rackspace,Linode,Cloud Architecture,Virtualization, Monitoring and Maintenance, Web design and development, e-Commerce development, SEO, SEM, ORM, internet marketing, graphics and logo designing, animation, online presentation and publication, online promotion and branding with 100% dedication and satisfaction guaranteed. Serving on these field Successfully with 8 years of versatile experience. Intend to work with the employer on the basis of long term relationship until and unless 100% satisfaction would be achieved.

$38.89 /hr
11,396 hours
4.99
waseemy shahy

waseemy shahy

Bigcommerce / Big Commerce / Photoshop / Html5 / C...

Pakistan - Last active: 1 day ago - Tests: 7 - 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
2,115 hours
4.66
Muhammad Yousuf

Muhammad Yousuf

VoIP/Linux Administrator

Pakistan - Last active: 13 days ago - Tests: 2 - Portfolio: 1

I always love to learn new technologies and try my best to accomplish new and challenging tasks. 1. Complete IP PBX from scratch (Asterisk and freepbx) 2. Elastix (call center, fax server) 3. PIAF (With all Nerd Vittels scripts and tricks) 4. Trixbox and Freepbx Distro 5. Call center applications (Goautodial, Vicidial, Elastix) 6. Broadcast and AutoDialer(Goautodial) 7. VoIP calling card, pinless calling, wholesale, DID reselling (A2billing) 8. CRM with VoIP integration (Vtiger, SugarCRM, SuiteCRM) 9. Security of Servers and VoIP (Firewalls, Monitoring, Aleting) 10. VoIP security (Application security, Brute force attacks prevention, Fail2ban) 11. Monitoring of Servers and services (Nagios, Opsview) 12. High Availability and Failover (Heartbeat, DRDB, Pacemaker, Corosync) 13. Auto Proviosioning of IP Phones (Multiple vendors) 14. Asterisk custom dialplan 15. Fax server (Hylafax, Avantfax) 16. CDR statistics, Centralize CDR server for multiple Asterisk servers. 17. Missed call notifications, Queues reporting for Asterisk 18. Asterisk Operator Panels (Isymphony, FOP2) 19. VPN (OpenVPN, IPsec, PPTP with firewall security) 20. IVR (Database Backends) 21. Asterisk Integration with Digital PBXs i.e. Avaya, Nortel(sip trunking and PRI trunking) 22. GSM gateways with Asterisk (Openvox, GoIP, Dinstar, Quescom) 23. Networks (Switching, Routing, Security, Monitoring, Alerting, Optimization) 24. Firewalls (Pfsense, UTM, IPTables) I have practically experience of all the above mentioned products and technologies and I completed many custom projects using these. I am not limited to only these technologies, I always welcome to know new technologies and environments. I am always ready for a test job to prove my skills :-).

$22.22 /hr
180 hours
4.97
Stamatis Kekes

Stamatis Kekes

Senior system administrator and PHP - C - Perl dev...

Greece - Last active: 1 day ago - Tests: 11 - Portfolio: 2

Very skilled Unix system administrator, with lot of experience in Linux ( Centos, Redhat, Fedora, Ubuntu, Debian, Gentoo, Slackware ), Solaris, xBSD ( FreeBSD, OpenBSD), vpn ( openswan - ipsec, openvpn, l2tp, pptp ), clustering ( LInux Virtual Server, Linux HA, vrrp, Solaris Cluster ), cloud computing, load balancing ( f5, haproxy ), VoIP ( asterisk ), databases ( MySQL, PostgreSQL), LDAP, web services ( Apache, Nginx, varnish ), security ( penetration testing, firewall policy design ), control panels ( CPanel, Plesk, Virtualmin, Ensim ), Virtualization ( VMWare Virtual infrastructure - VSphere, amazon EC2 ). As for Developing I am very experienced in C, PHP, Perl, javascript, ajax and many more to list.

$16.67 /hr
1,602 hours
4.79
Avinash Mohod

Avinash Mohod

VoIP / Contact Center/ Network / Firewall /UCS exp...

India - Last active: 4 days ago - 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
90 hours
5.00
Waqas A.

Waqas A.

Mr.

Pakistan - Last active: 22 days ago - Tests: 3 - Portfolio: 1

 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
149 hours
4.80
Ievgen I.

Ievgen I.

Web developer

Ukraine - Last active: 9 days ago - Tests: 6

Hi, My name is Ievgen Iermolenko. In my portfolio, are a few of the projects that I've developed. I believe my strong points are my Creativeness and Punctuality. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair.

$25.00 /hr
28 hours
5.00
Alexander P.

Alexander P.

Skilled Linux system and network administrator and...

Russia - Last active: 1 day ago - Tests: 14

I have an extensive Linux knowledge and TCP/IP network administrator skills, including IPv6, IP routing with OSPF and BGP experience, Web server setup and support, Apache load balancing, DNS (BIND) setup and configuration, Linux server security hardening, e-mail server setup (Sendmail and exim), Perl programming, RADIUS knowledge, KVM virtualization, Astersik software PBX etc. I have serious understanding of PostgreSQL and MySQL database engines. Please take a look at my test results to find IT areas which I know best.

$19.90 /hr
75 hours
4.99