TEL4VN Solutions Co., Ltd has been an IT & Telecom Consulting & Training. For ITC Training, we are authorized Platinum training partner of Linux Professional Institute (LPI). We do deliver wide range and basic to advance IT training courses from network, system, security, DevOps. For Telecom, we provide VoIP/OTT software solutions for Enterprise: IP PBX, CRM, Call Center, Contact Center, Auto Call, Voice OTP,...