Overcoming the VoIP and wireless security challenges of TETRA

摘要

1. VoIP is a promising technology, well suitable for connecting peripheral equipment to a TETRA network 2. VoIP is not suitable as a backbone, because of 2.1 Additional speech delay caused by VoIP 2.2 Possible interruptions of speech transfer 2.3 Voice quality (transcoding issues) 2.4 Lack of necessary high speed networks in rural areas 2.5 Security issues of the public Internet, requires private network 2.6 TETRA requires highly synchronous transmission of time slots →Proprietary solutions are needed to solve problems above