To disconnect first call and pick up second call, hang up and answer when telephone rings. To hold first call, depress switchhook once. Talk to second caller. To end second call and return to first call, hang up and answer when telephone rings. Cancel Call Waiting - Shuts off the call waiting tone.
Feature works on a per call basis.
Listen for dial tone. Calling - Allows you to conference two other people during one conversation. To add a third person to an existing call, depress switchhook and listen for special dial tone. Dial the telephone number of the third person and announce call when answered. Depress switchhook to establish three-way call.