Im a HAM Radio Operator (Call Sign VU3BUL) RHCE and dCAA, A Developer specialized in open source technology using Asterisk, Kannel, PHP platforms.Developing and implementing VoIP/Voice/SMS/SMPP VAS based and various application based on clients requirement.I can assist with designing and implement new systems.From architecture design, database and code design also making sure the systems are future proof and ready to build a long term sustainable and agile business.