appn Dna Hg M Availability Delta

This attribute indicates the net change in the available channels since the last Availability Message Packet (AMP) was sent to the Hunt Group. Once the absolute value of this attribute reaches the availabilityUpdateThreshold an AMP is sent to the host and the availabilityDelta is reset to 0. If this attribute is positive it means an increase of the number of available channels. If it is negative it means a decrease in the number of available channels.