| For each line, set the Caller ID type for compatibility with the connected telco. | 
| Option | Description | 
|---|---|
| 0 | [Default] None. | 
| 1 | DSP DSP (labeled Yes in DSX-40). | 
| 2 | ATRU PCB daughter board (not in DSX-40). | 
| 3 | T1/PRIT1/PRI (Not in DSX-40). | 
| 4 | DSP with Call Waiting Caller ID. (labeled Yes with CW in DSX-40) | 
| If you selected T1/PRI as the Caller ID type, set the ANI/DNIS format for compatibility with the data provided by the connected telco. | 
| Option | Description | 
|---|---|
| 0 | [Default] None. | 
| 1 | ANI. | 
| 2 | *ANI*. | 
| 3 | *DNIS*. | 
| 4 | *ANI*DNIS*. | 
| If you selected 1 as the ANI/DNIS format, use this option to set the number of digits in the ANI number. | 
| This is required for option 1 since delimiters do not mark the beginning and end of the data string. The system must know how many digits of incoming ANI Caller ID data to interpret. | 
| Option | Description | 
|---|---|
| 1-16 | ANI digit. [Default] = 10. | 
| If you selected 2-4 as the ANI/DNIS format, use this option to set the type of data delimiter provided by the telco. | 
| The delimiter designates the beginning and end of the ANI/DNIS data string. | 
| Option | Description | 
|---|---|
| 0-9, #, * | Single digit delimiter. [Default] = *. | 
| Use this option to send Caller ID to the connected voice mail. | 
| This option should always be enabled. | 
| Option | Description | 
|---|---|
| No (0) | Call ID data sent to voice mail. | 
| Yes (1) | Call ID data not sent to voice mail. | 
| Enable this Class of Service option to have the extension display Caller ID data (if provided). | 
| Caller ID is only provided if the extensions rings for the line. See Central Office Calls, Answering for more. | 
| Option | Description | 
|---|---|
| No (0) | Disabled. | 
| Yes (1) | [Default] Enabled. | 
| Enable this Class of Service option to have the extension display 2nd Call Caller ID (Extension Level Call Waiting Caller ID). | 
| This option works only if the extension receives Off-Hook Signaling for the incoming call. See 2116-03: Off Hook Signaling for Incoming Outside Calls Stations: Config: Options: Off Hook Signal (2116): OHS Lines] for more. | 
| Option | Description | 
|---|---|
| No (0) | Disabled. | 
| Yes (1) | [Default] Enabled. | 
| Enable this Class of Service option to allow the extension to use 3rd Party Caller ID Check. | 
| Option | Description | 
|---|---|
| No (0) | [Default] Disabled. | 
| Yes (1) | Enabled. | 
| Enable this Class of Service option to have the extension show the display separator in the Caller ID number. | 
| The display separator improves the readability of the Caller ID number. | 
| Option | Description | 
|---|---|
| No (0) | Disabled. | 
| Yes (1) | [Default] Enabled. | 
| Enable this Class of Service option to have the extension's Ring/Message lamp flash when there are new Caller ID calls that have not been reviewed. | 
| See Caller ID Logging for more. | 
| Option | Description | 
|---|---|
| No (0) | Disabled. | 
| Yes (1) | [Default] Enabled. | 
| Assign Class of Service to extensions. | 
| Option | Description | 
|---|---|
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