On a digital set assign a key to be CWT (CallWaiTing), and make sure the set has CLS = HTD.
REQ CHG
TYPE 2616
TN 3 6
ECHG YES
ITEM CLS HTD
ITEM KEY 2 CWT
ITEM
When the set is busy and the next call comes in, the lamp next to the CWT-key will flash and a tone is heard.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.