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Configuring the Mediatrix 440x Gateway
If necessary, restart the affected services, which are marked with an asterisk (*) on the System–Service
Step 10
screen.
Configuring DTMF Transport
You must configure DTMF transport in the Mediatrix 440x gateway to guarantee that DTMF tones are
properly sent to the SPA9000 so that services such as auto-attendant and voice mail work properly. To
accomplish this, DTMF is sent through RTP using the out-of-band method.
To configure DTMF transport, complete the following steps:
In the main configuration screen (see
Step 1
In the Misc section, under DTMF Transport, select Out-of-Band using RTP from the Transport Method
Step 2
drop-down list. (See
Figure 18
Step 3
Click Submit.
SPA9000/Mediatrix® 440x ISDN Gateway Configuration Guide
14
Figure
Figure
18.)
Selecting DTMF Transport Method
4), click Telephony, and then click CODECS.
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