工作技能：
1. Familiar with networking protocols.

2. Familiar with software development environment on Ubuntu and MS-Windows.

3. Familiar with Embedded Linux (FreeRTOS, OpenRTOS) and hardware device driver.

4. Familiar with VoIP technology (SIP/SDP, RTP over TCP/UDP, Call features, Voice/Video Compression format).

5. Familiar with IP-PBX Cloud Service technology is Preferred

工作經歷：5 年以上

學歷要求：大學 或 碩士

科系要求：資訊工程、資訊科學、電信通信學類、電機、電子等工程相關

語文條件：英文 -- 聽、說、讀、寫 中等能力