Contents:
Dialing, Answering, and Hanging Up
Controlling Result Code Displays
Accessing and Configuring the Courier 56K Business Modem Remotely
Handshaking, Error Control, Data Compression, and Throughput
Displaying Querying and Help Screens
Dedicated/Lease Line and Synchronous Applications
Appendixes
V.25 bis Reference
Fax Information for Programmers
Courier 56K Business Modem Command Reference
V.25 bis Reference
The commands and result codes described in this section are sent and recognized by your V.25 bis communications software. You are not expected to send them to the modem the way you do with AT commands.
Commands
| CIC | Connect incoming call | Instructs the Courier 56K Business Modem to answer an incoming call. |
| CRN | Call request using number provided | Instructs the Courier 56K Business Modem to dial the number following this command. Example: CRN18005551234 |
| CRS | Call Request with memory location | Instructs the Courier 56K Business Modem to dial a number stored in memory. Example: CRS3 |
| DIC | Disregard incoming call | Instructs the Courier 56K Business Modem to disregard an incoming call and to override auto answer for this call. |
| PRNn | Program number | Stores a number in NVRAM. Example: PRN3; 18005551234 |
| RFN | Request list of forbidden numbers | Instructs the Courier 56K Business Modem to list the numbers with which the Courier 56K Business Modem is unable to connect. |
| RLN | Request list of stored numbers | Instructs the Courier 56K Business Modem to list the numbers previously stored in NVRAM. |
Dial Options
| 0-9 | Digits |
| & | Flash |
| : | Wait for dial tone |
| > | (Greater Than) separator |
| < | Pause |
| = | (Equal Sign) separator |
| P | Pulse |
| T | Tone |
| . | (Period) separator |
| - | (Minus) separator |
Result Codes
These are the normal (X0) result codes. For a complete list of result codes, refer to the Result Code Meanings and Sets chapter of the Appendixes section.
| CFI | Call Failed |
| CFRT | Ringing |
| CNX | Connect |
| INC | Incoming call |
| INV | Invalid action |
| LS | List of numbers |
| LSF | List of forbidden numbers |
| LSN | List of stored numbers |
| VAL | Valid |
These are the extended result codes (X1) that replace CFI and INV.
| CFAB | Call aborted |
| CFCB | Local Courier 56K Business Modem busy |
| CFET | Remote device busy |
| CFFC | Forbidden call |
| CFNS | Number not stored |
| CFNT | Answer tone not detected |
| INVCU | Command unknown |
| INVMS | Message syntax error |
| INVPS | Parameter syntax error |
| INVPV | Parameter value error |
Commands and Result Codes Not Supported
| CRI | Call request with identification number |
| PRI | Program identifier |
| RLD | List of delayed call numbers |
| RLI | Request list of identification numbers |