Telos NX12 Loop Current Checking Web only, Enable Auto Call Drop Web only, Isdn Protocol

Models: NX12

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detailed configuration & reference  55

USA

720 ms

 

 

Belgium, Netherlands, Switzerland

120 ms

 

 

France, Luxemburg, Portugal, Germany

270 ms

 

 

Rest of Europe

90 ms

 

 

The hook flash is sometimes used as a signal to initiate transfer or other features, with the specific effect being dependent on the Telco or PBX capabilities and configuration.

Loop Current Checking (Web only)

Affects analog lines only.

The Nx12 periodically checks each analog line port for loop current. When current is detected, the single green dot icon appears on Desktop Directors and the line is ready for use. This process is called Loop Check. Yes is the default.

When you are using ‘ground start’ lines, this should be set to Off. Note: The Nx12 does not support outbound dialing on ground start lines. However, setting Loop Check to No will allow incoming calls to work normally.

Note

Ground Start analog lines are not fully supported by the Nx12. Only Incoming calls are allowed. You can take advantage of this to get a feature that might be sometimes useful: preventing outgoing calls.

Enable Auto Call Drop (Web only)

Calls can be automatically disconnected when the far end hangs-up. Most USA-style Telco lines provide a momentary loop drop for this purpose, but non-USA lines and most PBXs provide a tone signal (Call Progress Tone - Disconnect) instead. The Nx12 can respond to one, both, or neither of these signals. The type of tone signal detected for CPTD is determined by the POTS Country setting.

CPC loop drop threshold (ms) (Web only)

Sets the threshold time value for loop drop disconnect.

Ring-in Before Caller ID (Web only)

Normally the ringing indication is passed to the Desktop Director and other devices after the Caller ID has been received. This delays the ring indication until after the 2nd ring. You may want to have a faster ring indication, and choosing yes here lets you have it. But you risk losing the CID if an operator answers the call quickly. Some lines don’t have CID and in this case this should be set to Yes since there is no reason to wait for the 2nd ring.

ISDN Protocol

Selects the ISDN protocol, which must correspond to the ISDN circuits you are using. It will apply to all ISDN lines.

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Telos NX12 user manual Loop Current Checking Web only, Enable Auto Call Drop Web only, CPC loop drop threshold ms Web only