Resource Availability Indicationóreported by the H.323 Gateway to the Gatekeepers. Critical for selecting a terminating Gateway with resources available, used for load balancing.


C21 Communications provides solutions and products designed to reduce the cost of telephony for SoHo and SME businesses, right through to global enterprises.

C21 Communications Ltd. Harwell International Business Centre, 173 Curie Avenue, Harwell, Didcot, Oxfordshire, OX11 0QG.


Contact Number: +44 1235 838592