The headers for applications such as IP telephony, audio and videoconferencing often over-extend the size of the data they are labelling. Typically, a 15byte-35byte data payload will be wrapped in a 40byte header, more than doubling the size of a VoIP packet. Effnet claims that its software can cut the header to 2bytes, thereby reducing bandwidth or opening the door to increased sound and picture quality.
CRTP is an implementation of the Internet Engineering Task Force RFC 2508 standard for interactive multimedia applications over wired links. The protocol is supported by a range of VoIP devices that are currently used by businesses.
The introduction of this technology to enterprise media gateways, routers firewalls and modems will, Effnet claims, increase the available VoIP channel capacity of a Wan access link by 250% when used with voice compression.