Accepting a Waiting Call (Camp-On)

Precondition: You are engaged in a phone call and hear a tone (every six seconds). 

Ending the first call and answering the waiting call:

Replace the handset. Your telephone rings.  

Answer the second call. Lift the handset.  

Placing the first call on hold and answering the second call (not for all ISDN telephones)

Enter the code.  

You are connected to the call waiting party immediately. The first party is placed on hold. 

Ending the second call and resuming the first one:

Press the key. 

Enter the code or wait two seconds. 

(depending on the configuration) 

Press the key twice. 

Preventing and Allowing Call Waiting (Automatic Camp-On)

If this function has been configured (ask your service technician), you prevent or allow a second call from being signaled by automatic camp-on during an ongoing call. 

Lift the handset. 

Enter the code for "off (prevent)". 

Enter the code for "on (allow)". 

Turning the Call Waiting Tone On and Off

You can suppress the call waiting tone (approx. every six seconds) for external calls. A one-time special dial tone then alerts you to the waiting call. 

Lift the handset. 

Enter code for "tone off" or "tone on".