Constant xmlns::xmpp::urn::jingle::apps::rtp::NS_RTP_HDREXT

pub const NS_RTP_HDREXT: &'static str = "urn:xmpp:jingle:apps:rtp:rtp-hdrext:0";

The Header Extension Negotiation Namespace
urn:xmpp:jingle:apps:rtp:rtp-hdrext:0