Primary Rate Interface - Creativyst(R) Glossary of developer terms.

PRI - The ISDN standards that bundle multiple circuits over a single link. In the US, it consists of 24 circuit switched B (bearer) channels plus one packet-switched D (data) channel. It is the ISDN equivalent of a T1 circuit (1.544 Mbps).

	PRI - The ISDN standards that bundle multiple circuits over a single link. In the US, it consists of 24 circuit switched B (bearer) channels plus one packet-switched D (data) channel. It is the ISDN equivalent of a T1 circuit (1.544 Mbps).
	T1 ISDN