I have more than 6 years working experience of voip industry. i am proficient in Asterisk, Freeswitch, Kamailio,Fusionpbx, A2Billing, Freepbx,Freeside and Linux Administrator. And i have planned and built dozen multi-tenant carrier pbx. i have been always supporting two muti-tenant carrier pbx systems based thirdlane and FusionPBX which both have more than 500 concurrent calls and 3000 registrations extensions. I am able to coding with C/C++, Perl, PHP, shell, sql and other programming language. I am steady, honest and hard-working. I am fond of innovation and pursuiting new techonologies. click here to know me more: https://click.2-call.me/apa1
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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.
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10+ years of Linux/Network experience with different systems. Finished and delivered SMB solutions to big corporate companies lie BNP Paribas, ABN AMRO or RBS. My main areas of knowledge are: 1) Networking (Cisco/Juniper/F5/BlueCoat and Linux/FreeBSD based solutions like vyatta/pfsense etc) 2) Security - Cisco IPS/IDS, CheckPoint, Linux/FreeBSD based, Juniper etc 3) Linux administration - mail system, database (mysql/mysql cluster), server with high load average, load balancers for server farms (Cisco/F5 based and Linux based like keepalived or apache/nginx with reverse proxy) 4) VoIP - Cisco/OpenSource(Asterisk and different installations based on asterisks like freepbx/elastix etc) There is a very small piece of my knowledge, I'm always looking for opportunity to grow and I'm pretty sure that if you give me tasks - I'll find out best way howto get it done.
I am a senior technical engineer who has 15 years IT experience in the following areas: Advanced Linux Cluster Administration Asterisk/Trixbox/Elastix/VoIP architect Advanced Knowledge of shell scripting Advanced Knowledge of Perl programming Network Administration Network Security (Penetration Testing) Server Auditing Technical Support Virtualization (mainly Parallels Virtuozzo/openVZ/ProxMox) Web hosting Control panels such as cPanel,Plesk,DirectAdmin Tweaking and Optimizing Apache for better performance Hardening PHP Data recovery
Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk etc Asterisk Dialers, VOIP and Call Center Solutions Customization of Linux Kernel & Distro with Rebranding Faculty of Post-Graduate Degree in Computer Sciences. Firewalls & Gateways Linux HPC - High Preformance Clusters Remote Server Support & Troubleshooting L3/L4 Security Auditing of Servers & Websites Cloud & Virtualization Technical Writing VPN - Site-to-Site, Road-warrior Vulnerability Assessment & Penetration Testing Kayako
Over the last 4.5 years, I have developed a wide range of IT solutions including VoIP, Web and Mobile development for small businesses and startup companies as well as for large companies. I have experience in VoIP, FreeSwitch, Opensips, Kamailio, Asterisk, FreePBX, A2billing, Linux, Opensource Consulting, MySQL, PHP, Joomla, Android, asp.net-mvc, c#, .net-framwork etc. I have developed class4-class5 Soft Switches, SIP Proxy, FAX Servers, Fax2mail, Fax over IP, Messaging Servers, Session Border Controllers, IVR application, Web Applications and many others. My core competency lies in complete end to end IT solutions for VoIP, Web and Mobile technologies.
Asher S. Agency Contractor
[Background] I have worked as a consultant to various companies worldwide in high-tech IT related sectors such as Cloud & SaaS, Mobile eCommerce, Automotive & more. [Vision] I believe in working with the best of the best. I am looking for new challenges where I'm given a chance to build something new, creative and completely mind blowing. [Expertise] Over the 14 year span of my career, I have accumulated expertise in the following areas: - New Product Development - Operations research & management - Social Media Marketing & Strategy - Business Development - Information Security - Big Data & Analytics - Mobile App Development - Start ups - Anything and everything cloud related - Software Architecture for large scale applications And of course, I am familiar if not an expert, in all technologies such as Java, Ruby, PHP, .NET, SQL, NoSQL, Unix, Linux, Windows, AWS, VMWare, Xen, Asterisk etc.
Abu Sufian Agency Contractor
I have over 5 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 Special note: I am open for full-time job from 6:00 AM to 6:00 PM (PST)
Ahmad Hamad Agency Contractor
Awad Hamza Agency Contractor
My primary skills are in Windows Server, Desktops, Networking, Linux & Software programming. I have been working in IT support services for the past 10 years and have gained great experience in the mentioned domains and also obtained many feedback as well. Global certifications - MCSE 2003, MCTS&MCITP 2008, MCSA 2012, Messaging Admin, SharePoint Admin,SQL admin, RHCE, CCNA, CCNA security, CEH I have enormous expertise and experience in the following areas; Windows Server management Windows patch management Exchange Server implementation, administration & upgrade/migration O365 and GoogleApps administration SQL Server administration Virtualization & server consolidation in Hyper-V & VMware SAN/NAS implementation & administration Backup administration and management in various backup solutions including BESR, Arcserve, HP Dataprotector, Veeam, Datto, Acronics etc. Desktop, printer/FAX administration& management Network design, implementation & Management Linux administration Web Hosting & Email Hosting Web designing & development Software development IT service change management Problem and incident management IT asset management Capacity Management and requirement analysis Define project scope, goals and deliverable comprehensive analysis of security architecture, standards compliance, and process / methods Below are some of the projects handled; Server & Storage ================ Troubleshooting OS related issues Migration of SBS 2008/2011 from older versions Exchange Server upgrade/migrations from older versions Windows Server upgrade from older versions Migration of Webmail to Exchange Server, O365 & GoogleApps SQL Server Architecture design Designing DR plan for SQL and Exchange environment Veeam backup configuration and DR plan for a VMware server farm Configuring Storage Array and perform IO performance tuning for optimal performance for a Web & SQL farm (VMs) P2V migration in VMware platform with minimal downtime Sett up and configure SAN/NAS devices (Dell MD3000i, MD3200i) Configure high availability of virtual environment in VMware ESXi Linux ===== Troubleshooting OS related issues High availability Asterisk Server Load balancing in AWS Web server fail over set up Web server migration of cPanel/WHM/Plesk servers Network ======= Configure site to site VPN connections using CISCO ASA firewalls Site to Site IPSec VPN Implementation Configure routers and implement NVI technology Configure IP Sec VPN between SonicWall TZ series firewall and Symantec Gateway Setup, configure and administer monitoring tools such as SolarWinds NPM & SAM Desktop ======= Troubleshooting all types of OS related issues Migration of machines from one domain to another and profile migration Antivirus migration System performance tuning Network printer setup Software deployment Maintenance and software/Windows update