SCH3000 - 3099
| SCH3000 | IMS package not equipped. |
| SCH3001 | LTN table pointer not defined. Data corrupted. |
| SCH3002 | APL user cannot share TTY. APL user already defined. |
| SCH3003 | APL user cannot share TTY. Other user already defined. |
| SCH3004 | Cannot remove APL TTY without first removing all users using this TTY. |
| SCH3005 | All APL TTY devices must be disabled first. |
| SCH3006 | The APL TTY is not defined in Configuration Record |
| SCH3007 | The APL TTY is already defined. |
| SCH3008 | The APL TTY is out-of-range (0-15). |
| SCH3009 | The APL TTY is previously removed. |
| SCH3010 | Invalid APL link. |
| SCH3011 | Response of NO not allowed. IMA, UST, or UMG is active. |
| SCH3012 | The APL TTY is out-of-range (0-15). |
| SCH3013 | The APL link is shared by other user. |
| SCH3014 | The specified APL is not defined in customer data block. |
| SCH3015 | Caution: This command will remove all UST key users using this ACD (use ODAS to print all UST key users). If no UST key users, ignore the error message. |
| SCH3016 | Telephone message timer (UMT) is out-of-range (2-15). |
| SCH3017 | Response NO not allowed. IMS option is defined. |
| SCH3018 | If any of the IMA, UST or UMG features are ON, then the CSL option (CMS) may not be changed. |
| SCH3019 | Trunk CLS must be MFR if the trunk is a member of the CAMA route using Bell M2B signaling. |
| SCH3020 | IMA Class of Service is not allowed for this customer. |
| SCH3021 | Carriage return in LTN field with APL link undefined. |
| SCH3022 | TN number is already defined. |
| SCH3023 | LTN number is out-of-range (1-253). |
| SCH3024 | LTN link number is not defined in customer data block. |
| SCH3025 | IMA Class of Service requires key 0 to be an ACD key. |
| SCH3026 | UST key desired, but UST is restricted. |
| SCH3027 | UST key desired, but UST ALLOWED bit not set in CDB. |
| SCH3028 | All members of the CAMA Route using Bell Signaling M2B need to have MFR Class of Service. |
| SCH3030 | Only Digitone sending/receiving allowed with ESN signaling arrangement. |
| SCH3031 | Trunk members must have Digitone sending/receiving. |
| SCH3032 | Invalid TN in trunk route trunk list. |
| SCH3033 | Wrong number of input fields for prompt FDN. |
| SCH3034 | Flexible DN conflicts with existing DN. |
| SCH3035 | Invalid DN type for CFNA DN. |
| SCH3036 | Cannot remove IMS with IMA UST or UMG allowed. |
| SCH3037 | Cannot remove IMA with APL defined. |
| SCH3038 | Cannot remove UST with APL defined. |
| SCH3039 | Cannot remove UMG with APL defined. |
| SCH3040 | Cannot remove APL with user defined in ACD block. |
| SCH3041 | Cannot remove MCX with IMA, UST, or UMG allowed. |
| SCH3042 | MCI option not enabled. |
| SCH3044 | CLS IMA defined requires that the IMA option in ACD block be defined. |
| SCH3045 | LTN link is not the same as APL defined in this ACD block. |
| SCH3046 | UST key desired, but FDN, or HUNT is not an ACD DN. |
| SCH3047 | UST key desired, but UST not allowed in ACD block. |
| SCH3048 | UST key desired, but APL link not defined in ACD block. |
| SCH3049 | Key type already defined on this telephone. More than one key of this type per telephone not permitted. |
| SCH3050 | MWD is invalid when telephone has MWK/XMWK/RMWK assigned. Action: Delete MWK/XMWK/RMWK keys before changing the CLS option to MWD. |
| SCH3051 | Repeat command not allowed for music trunks. |
| SCH3052 | Existing card type conflicts with this overlay program. |
| SCH3053 | Wrong set type to assign this Class of Service. |
| SCH3054 | Wrong set type to assign this key mnemonic. Action: The CSD key is only applicable to Aries sets with display. |
| SCH3055 | The Digital telephone package is not equipped. |
| SCH3056 | Hot line package not equipped. |
| SCH3057 | DN length does not match the given DN. Too many digits. Action: Enter ADL/CFW DN with configured ADL/CFW DN length size. |
| SCH3058 | Wrong number of input fields. |
| SCH3059 | DN length out-of-range (1-31). Action: Enter DN length of 1 -31 digits. |
| SCH3060 | Class of Service must be MNL. |
| SCH3061 | This feature not allowed for Hot Lines. |
| SCH3062 | Invalid Hot Line DN. |
| SCH3067 | Signal destination timer is out-of-range (384-2048). |
| SCH3069 | Last preference key number is out-of-range. |
| SCH3070 | Line selection package is not equipped. |
| SCH3071 | A restart is caused if anything other than YES or {CR} is entered. |
| SCH3072 | Deluxe Hold package is not equipped. |
| SCH3073 | LFTN customer conflicts with customer to be changed. |
| SCH3074 | Outgoing start arr. is not equal to incoming start arr. |
| SCH3075 | A list number of this type does not exist. |
| SCH3080 | Hot Line lists need to be defined in LD 18. |
| SCH3081 | Hot Line list length out-of-range. |
| SCH3082 | Flexible Hot Line not allowed by list entry method. |
| SCH3083 | Invalid DN; already assigned to non-enhanced Hot Line set. |
| SCH3085 | Hot Line list number mismatch. |
| SCH3086 | List already defined as Hot Line list. |
| SCH3087 | Set has EHTA COS; need to define Hot Line at FTR. |
| SCH3088 | Conflict with EHTA COS; telephone has either LNA, LLC1, LLC2, LLC3, MNL, or Permanent Hold features enabled. |
| SCH3089 | EHTD not allowed. DN is shared with another defined Hot Line set. Action: User must OUT and re-create the telephone. |
| SCH3090 | DN already defined as Enhanced Hot Line or two-way Hot Line key. |
| SCH3091 | Illegal digit for list entry. |