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Placing Calls 423
One Button Access You can configure an Access button on a NBX system to dial a complete
H.323 (or switched) dial sequence.
This procedure assumes that all buttons available for one-button access
are configured in the first ten system (or personal) speed dial locations.
To set up one-button dials:
1 In the NBX NetSet - Main Menu window, click Device Configuration.
2 Click the Telephones tab or the Group Telephones tab. Select a telephone
extension or a telephone group.
3 Click Button Mappings.
4 Associate one of the first ten speed dial numbers with a telephone Access
button:
a Locate the Type field associated with an available button.
b Select the speed dial selection (SSD 0 through 9) that is associated
with a previously programmed speed dial code (700 through 709).
c Click Apply and then click OK (to return).
5 Verify the one-button dial feature operation by pressing the new button
and confirming that it dials the specified number.
Entering Digits
During Calls
When ConneXtions dials a call, it stores the dialed digits until it connects
the call. Then it sends those digits, and any subsequent digits, to the
remote H.323 device if the device supports version 2, or later, of the
H.323 standard.
The behavior of ConneXtions depends on when the # sign is entered
during this process.
ConneXtions sends digits as messages, which are more reliable than
audio tones. ConneXtions also expects to receive digits from H.323
devices in the same way, and therefore does not have a tone detector.
This means older (H.323 version 1) devices cannot send or receive digits
to or from ConneXtions. For example, the current version of Microsoft
NetMeeting, which sends DTMF tones in the audio stream (in-band
signaling), cannot use DTMF signaling to pass the Auto Attendant.
In instances where other devices might listen for in-band DTMF signaling,
the quality of the tone recognition depends on the selected voice
compression. Tones transmitted by G.711 can be reproduced, but tones
transmitted by G.723.1 are degraded.