2.3 System Data Control
2.3.5Automatic Configuration for Outside (CO) Line Type
Description
The dialling mode (DTMF [Dual Tone 
System Data Clear [999]). No system programming in Dial Mode [401] and Pulse Speed
[402]is required unless the dialling mode of the connected outside (CO) line is Call Blocking. Automatic Configuration for Outside (CO) Line Type can also be programmed the first time the PBX is accessed with a PC using the 
3.1.1 Installing
Conditions
•If no outside (CO) lines are connected to the outside (CO) line ports of the PBX, the default values are assigned automatically.
•It takes a maximum of 4 minutes to complete checking the dialling mode, unless the outside (CO) line is in use. In this case, the PBX will start checking it after the outside (CO) line becomes idle.
•This feature will not function properly when:
–It takes 3 seconds or more to detect the dialling mode of your telephone company.
–The cable from the outside (CO) line is disconnected while the PBX is checking the dialling mode.
•If your telephone company or a host PBX can receive both DTMF and Pulse signals, the PBX selects an outside (CO) line type according to the following priority:
DTMF 
Pulse (High) 
Pulse (Low)
Installation Manual References
4.1.5 System Reset with System Data Clear
Feature Guide References
1.5.2.4 Dial Type Selection
184
Feature Guide
