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Keypad Tab
Use this tab to enter the number you wish to call. By using the keypad the
corresponding character will be inserted into the SIP-URL/Number entry area. The
following keys can be used to edit the number:
- move cursor to the left
- move cursor to the right
- delete character
During a call, the keypad can be used for DTMF ("Dual-Tone Multi-Frequency") input. DTMF tones are actually being sent
when you press 0-9, A-D, * or # button.