All Services Programming & Development System Administration $15/hr · Starting at $25 Designing and provisioning of various Data networks / VOICE Network / Provisioning of various servers Deployment of various Firewalls including PIX / Sonicwall Commissioning of web servers Designing,provisioning of VOIP related services like Wholesale / termination Calling card services Network designing and implementation of offices Email Servers Network Security Implementation Network and Server optimization SSL certificate deployment and other various network related services I'm working in a very big mobile operator at international calls handling division.Alone handling the international voice infrastructure installation and upgradation including the Carrier interconnectionsWell experienced in VOIP and TDM interconnections. TDM Platforms1.Tekelec NGN Softswitch 2.L3 DCME/ ECI DCME/ Nuera DCMEs3. Verso softswitchVOIPVery good experinece in SIP/H.323 interconnectionsGood experince in Data networking and Data securityVisiting Lecturer in a reputed College teaching Netwrking rel About $15/hr · Ongoing Download Resume Designing and provisioning of various Data networks / VOICE Network / Provisioning of various servers Deployment of various Firewalls including PIX / Sonicwall Commissioning of web servers Designing,provisioning of VOIP related services like Wholesale / termination Calling card services Network designing and implementation of offices Email Servers Network Security Implementation Network and Server optimization SSL certificate deployment and other various network related services I'm working in a very big mobile operator at international calls handling division.Alone handling the international voice infrastructure installation and upgradation including the Carrier interconnectionsWell experienced in VOIP and TDM interconnections. TDM Platforms1.Tekelec NGN Softswitch 2.L3 DCME/ ECI DCME/ Nuera DCMEs3. Verso softswitchVOIPVery good experinece in SIP/H.323 interconnectionsGood experince in Data networking and Data securityVisiting Lecturer in a reputed College teaching Netwrking rel Skills & Expertise AsteriskCCCNACiscoCisco RoutersElastixEmail ServicesFirewallsMicrosoftNetwork SecurityNetworkingRoutersSecurityServer AdministrationSonicWallSSLTelephonyVoIPWeb Servers 5 Reviews osisupport says, Great work. Thank you. for Configuration of Sonic Wall Firewall on Jun 08, 2011 osisupport says, Great work. Thank you. for Proxim Wireless Router Troubleshooting on Jun 08, 2011 osisupport says, Excellent, work. Effecient and great communication through out. Thank you. for Elastix config w/ Cisco SPA504G handset on Feb 23, 2011 osisupport says, Excellent work. Mohamed is very skilled, thorough, and committed to making projects a sucess. Look forward to working with him again. Thank you. for Elastix config w/ two Cisco SPA504G on Feb 11, 2011 osisupport says, Great work. Addressed every issue as requested. Prompt and professional. Thank you. for Voip - Elastix Consultation on Feb 07, 2011 Browse Similar Freelance Experts Firewall ExpertsServer AdministratorsC ProgrammersTelephony ServicesNetwork Security AdministratorsNetworking ProfessionalsCisco Routers ExpertsVoIP ServicesCCNA ExpertsRouter ExpertsMicrosoft DevelopersSSL Services