1397 - LSS: Missing Mandatory Parameter

A required parameter was missing in ATI NP query.

Example

RLGHNCXA21W 07-07-21 12:01:43 EST  EAGLE 39.2.0
0002.1397    SYSTEM        INFO      LSS:  Missing Mandatory Parameter
          SIO=03   OPC=001-001-001      DPC=002-002-002
             SCCP MSG TYPE=04
             CDPA:  NI=1  RI=0  GTI=04  SSNI=0  PCI=1
                    TT=250  NP=04  NAI=010  ADDR=1234567890901
                    PC=003-003-003       SSN=005
             CGPA:  NI=1  RI=0  GTI=04  SSNI=0  PCI=1
                    TT=100  NP=07  NAI=012  ADDR=012345677890
                    re cseCD123  GTTSET=3 203 46
             Report Date:07-07-21  Time:16:20:19

Legend

ADDR

Address

CDPA

Called party address

CGPA

Calling party address

GTI

Global title indicator

LSN

Linkset name. The name must be unique.

MSG TYPE

Message type

NAI

Nature of address indicator

NI

Network indicator value

NP

Numbering plan

OPC

Origination point code

PC

Point code for the SS7 end user (OPC).

PCI

Protocol control information

RI

Routing indicator

SIO

Service information octet

SSN

Subsystem number

SSNI

Subsystem number indicator

TT

Translation type

Alarm Level: No alarm condition. The message is informational only.

Recovery

Verify that incoming ATI NP query has Subscriber Identity and Requested Info parameters.