Enterprise IP Phone Using the Advanced Phone Functions- 77 -1) Choose Phone->DSS Key-> Line Key, choose one of the keys you want to make theassignment, there is a pull-down menu in the Type field, choose Call Park from thelist.2) Enter the number you want to park in the Value field.3) In the "Line" field, select a line for which to apply this key.4) Press Confirm button to save the changes.DTMFYou are allowed to send out the desired DTMF number during the conversation. Thenumber needs to be set in advance.To assign the key as DTMF:1) Choose Phone->DSS Key-> Line Key, choose one of the keys you want to make theassignment, there is a pull-down menu in the Type field, choose DTMF from the list.2) In the “Value” field, enter the specific number.3) Press Confirm button to save the changes.Voice MailWhen the key is configured as Voicemail key you are allowed to access voicemailquickly by pressing this key.To assign the key as Voice Mail:1) Choose Phone->DSS Key-> Line Key, choose one of the keys you want to make theassignment, there is a pull-down menu in the Type field, choose Voice Mail from thelist.2) Enter the number you want to set as the voice mail box in the Value field.3) In the "Line" field, select a line for which to apply this key.4) Press Confirm button to save the changes.Speed DialYou can configure the key as a simplified speed dial key. This key function allows you toeasily access the most frequently dialed numbers.To assign the key as Speed Dial:1) Choose Phone->DSS Key-> Line Key, choose one of the keys you want to make theassignment, there is a pull-down menu in the Type field, choose Speed Dial fromthe list.2) Enter the number you want to perform Speed Dial in the Value field.3) In the "Line" field, select a line for which to apply this key.4) Press Confirm button to save the changes.