note 
If your phone system requires pulse dialing and you need to send DTMF tones during a call, you can temporarily switch over to tone dialing. (Refer to “Tone Dialing Switch- over” on page 21.)
4) Use the number keys (0 - 9) to enter the
5)Press the select/channel key. A confirmation tone sounds.
6)Press the end key to complete the setting. The handset returns to standby mode.
Choosing the Dialing Mode
Your phone can communicate with the telephone network in two different ways: tone dialing and pulse dialing. These days, most phone networks use a method called tone dialing, so your phone comes programmed for tone dialing.
If your phone company uses pulse dialing, you'll need to change your phone's dial mode. There's an easy way to tell: try making a call. If your call connects, your phone's setting is fine. If not, follow the steps below:
1) When the phone is in standby mode, press and hold the call id/ menu key. The following screen appears.
2) Press the | /vol/ | key three times to select Dial. |
3) Press the select/channel key to set the phone to pulse dialing.
4)Press the end key and return the handset to the main base to complete the setting. The handset returns to standby mode.
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