Vathna Chan Email & Phone Number

Iraq

Iraq

Cambodia

- acting as the Development Project Leader to upgrade as well as develop new solution to fulfill business requirements.- Gathered requirement and compiled into project scope and deliverables- qbEtopup proxy application – developed by using Java web service to allow 3rd party application such as Wing Mobile Bank, EZETOP and More Magic to do top up to all qb mobile number- qbTopup promotion – to provide bonus on top up such as free voice, sms, mms, data, contend download and actual balance in core balance by using java code- qbDataMiniKit application – used Java + Soap to integrate to IN & USSD GW to provide data extra automatic – registration/unregister requests, monthly fee charge, subscriber expiration, sms notification, charging matrix (periodically and real time charge)

Cambodia

System upgraded and implemented new service/tariff/application. Supported and provided technical information on Redknee Converged Billing system about charging matrix and system capacity limitation including VOICE/SMS/MMS/DATA/BM and Content download, Ericsson VAS platform including SMSC, MMSC, PRBT, ADC, MOIP, MIEP/WAP GW, ECDS Streaming, MSDP and WM.

Cambodia

Developed and implemented upgrades and new solutions from marketing and internal requirements. Report extraction from VAS services, graphical user interfaces (GUIs) including Short Message Service Center (SMSC), Multimedia Message Service Center (MMSC), Voicemail Message Service (VMS), Interactive Voice Record (IVR), Wireless Application Protocol (WAP), Personal Ring Back Tone (PRBT) and other customized solutions. Maintained and administered hardware and software.