
Section 7 Management Interface
118
Parameter Area
offset 0, size 1: ptype Management primitive type.
offset 1, size 1: reserved Set to zero
offset 2, size 4: cic_mask Bits set to indicate affected circuits in
group.
parameters
offset 6, size 32: circuit_status The circuit status as indicated from the
remote signaling point
Parameters
ptype
The type of management primitive taken from the following table:
Value Name Function
8 Query Initiate circuit group query
circuit_status
This is an array of 32 octets, each octet indicating the state of a circuit. The
first octet corresponds to the circuit represented by the least significant bit of
the cic_mask. The status for any circuit for which the bit in cic_mask is not
set will be set to zero. The circuit state is as encoded in the ISUP circuit state
indicator defined in Q.763.(ISUP Formats and Codes).
7.6 Local Overload Request
This message may be used by the application to set a local overload
condition. This condition will be signaled to the remote signaling point by
inserting an automatic congestion control level parameter in all release
messages issued to the network.
Message Header
structure MSG
type ISP_MSG_OVLD_REQ (0x770d)
id 0
src Originating module ID
dst ISUP module ID
rsp_req Sending layer’s bit set if required
hclass 0x00
status overload_level (see below)
err_info 0x00
len 0
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