User's Manual

1. Click the Setting → Preference → Busy Tone Timer (0~5s):0

Call Waiting Tone

To enable the Call Waiting and Call Waiting Tone via Web interface

1. Click Setting→ Features

2. Select Call Waiting: On and Call Waiting Tone: On

To Change the Call Waiting Tone time via Web interface

1. Click Setting→ Tones

2. Change the Tone Time as you want (for example 3s)

Hide Caller ID

Just enable the unknown/hidden caller feature, by enabling Anonymous call feature thereby the receiver

won’t be able to know who is calling them.

To configure anonymous call via Phone interface

1. Press Menu→ Features→ Anonymous Call→ Account ID 1/ 2

2. Press and to select the Enable choice in Anonymous Call filed.