SCH0900 - 0999
| SCH0900 | Group number exceeds customer maximum group number. |
| SCH0901 | SL-1 ring option conflicts with group option. |
| SCH0902 | DIG group number conflicts with existing DIG group number. |
| SCH0903 | DIG list block does not exist. |
| SCH0904 | Null input for DIG group number. |
| SCH0905 | DIG group out-of-range (0-253). |
| SCH0906 | DIG member number conflicts with existing DIG member number. |
| SCH0907 | Undefined DIG member number. |
| SCH0908 | Null input for DIG member number. |
| SCH0909 | DIG member number out-of-range (0-99). |
| SCH0910 | Null input for DIG ring option. |
| SCH0911 | DIG ring/voice (R/V) option out-of-range. Must be specified. |
| SCH0912 | Bad TN assigned as DIG member number. |
| SCH0913 | Total DIG group number cannot be reduced as members are assigned to groups to be removed. |
| SCH0914 | Conflict between DIG member number and special prefix DN. |
| SCH0915 | CDR port number conflicts with existing CDR port number. |
| SCH0916 | Illegal use of CHG. Action: Disable port in LD 35 and use OUT to remove all users. |
| SCH0918 | Maximum number of ACD-ADS customers per system is exceeded. |
| SCH0919 | Maximum number of ACD-ADS agents per system is exceeded. |
| SCH0920 | Translation list number not in LD 15. |
| SCH0921 | Attempt to configure RCAP with a QSIG Name display remote capability when one is
already configured. Action: Remote the existing RCAP before entering a new one. |
| SCH0922 | Attempt to configure RCAP with a QSIG Call Completion to Busy Subscriber remote
capability when one is already configured Action: Remote the existing RCAP before entering a new one. |
| SCH0923 | Attempt to configure RCAP with a QSIG Call Completion on No Response remote capability
when one is already configured. Action: Remote the existing RCAP before entering a new one. |
| SCH0924 | Agent ID lower or upper bound conflicts with existing data. |
| SCH0925 | New request is invalid for ADS prompt if the customer has been assigned as an ACD package D customer. |
| SCH0926 | CHG/OUT request is invalid for ADS prompt if the customer is not an ACD package D customer. |
| SCH0927 | The numbered key is less than the total number of agents logged in at this instant. |
| SCH0928 | NULL input for LOG prompt is invalid under the NEW request for ADS prompt. |
| SCH0929 | Points to the agent ID table is NIL. Action: Try again. |
| SCH0930 | More than one parameter given for ARSQ. |
| SCH0931 | ARSQ must be null or in the range 0-3. |
| SCH0932 | ARSR must be YES or NO, or null. |
| SCH0933 | More than one parameter given for ARSR. |
| SCH0934 | More than one parameter given for SPRI. |
| SCH0935 | SPRI must be null or in the range 0-3. |
| SCH0936 | More than one parameter given for MPRI. |
| SCH0937 | MPRI must be null or in the range SPRI to 3. |
| SCH0938 | MPRI cannot be null because SPRI is greater than current value of MPRI. |
| SCH0939 | More than one parameter given for PROM. |
| SCH0940 | PROM must be null or in the range 1-999. |
| SCH0941 | PROM was given as null but must now be changed because currently PROM is undefined and SPRI is less than MPRI. |
| SCH0942 | More than one parameter given for ERWT. |
| SCH0943 | ERWT must be NO, null, or in the range 0-999. |
| SCH0945 | Invalid Template type. Should be SL-1 or 500. |
| SCH0946 | Invalid unit type. |
| SCH0947 | Illegal INFO response. Should be FRM, DEF, USE, or USS. |
| SCH0948 | TEMPLATE Number is out-of-range. |
| SCH0949 | MMT sets cannot modify CLS EXR0-4 if CLS DRDA is configured. Action: Change CLS DRDA to CLS DRDD and then modify CLS EXR0-4. |
| SCH0950 | Prime DN must be a single appearance DN. |
| SCH0951 | COS cannot be AAA if AAK key is already assigned. |
| SCH0952 | AAK key cannot be assigned if COS is AAA. |
| SCH0953 | Current DN appears elsewhere and thus may interfere with AAB operation. |
| SCH0954 | AAB package not equipped. |
| SCH0955 | Cannot remove customer data block before removing associated route data blocks. |
| SCH0956 | Command is OUT CDB, but units are not all removed. |
| SCH0960 | Number of Park DN out-of-range. |
| SCH0961 | Active park DN cannot be deleted. Action: Try again later. |
| SCH0963 | Service change for EIMC/MXC card(s) is not allowed from overlay 27. Action: Use the Mobility Mat platform. |
| SCH0964 | A problem has occurred when configuring EIMC/MXC from Mobility MAT platform. Action: Contact your technical support group. |
| SCH0965 | Only one MISP can have the Mobility application defined. |
| SCH0966 | The MISP card is not in the Manual Disabled state. Action: Use Overlay 32 to disable the MISP card. |
| SCH0970 | ICI key/lamp not assigned in customer data for this station category. |
| SCH0971 | MR terminal assignment out-of-range (0-7). |
| SCH0972 | SL-1 station must have CLS = MWA before assigning MR key. |
| SCH0979 | DN entered for ROA is not a station DN. |
| SCH0980 | Wrong number of input parameters. |
| SCH0981 | Threshold out-of-range. |
| SCH0982 | Threshold must be greater or equal to the previous threshold. |
| SCH0983 | TN not existing in CDB. |
| SCH0984 | Route number is not a RAN/MUS route. |
| SCH0985 | Timing threshold not entered. |
| SCH0986 | Timing out-of-range (15-500). |
| SCH0987 | DN assigned out-of-range; maximum 10 for ROA. |
| SCH0988 | Out-of-range (4-12). |
| SCH0989 | No Speed Call Lists in existence. |
| SCH0990 | Dialing group number out-of-range (0-7). |
| SCH0991 | Warning: No DN translator set up for customer. |
| SCH0992 | Warning: No attendant DN block setup. |
| SCH0993 | No value assigned to attendant access code. |
| SCH0994 | Speed Call List number out-of-range. |
| SCH0995 | Speed Call List not available to be used as translation list. Action: Use LD 18. Speed Calls in 18 must DNSZ4 and SIZE10. |
| SCH0996 | An attempt has been made to remove, change or reassign an attendant supervisory console while in-service observation mode. |
| SCH0997 | Prime TN of attendant console must be on line (unit) zero of card. |
| SCH0998 | May not allocate console on any cards which have any valid stations. Action: All TNs on the card must be unused. |
| SCH0999 | May not allocate SL-1 sets on any card having an attendant console. |