Version 7.2 913 Mediant 1000B Gateway & E-SBC
User's Manual 59. Testing SIP Signaling Calls
59.5 Configuring DTMF Tones for Test Calls
By default, no DTMF signal is played to an answered test call (incoming or outgoing).
However, you can enable this per test call in the Test Call Rules table by configuring the
'Play' parameter to DTMF (see ''Configuring Test Call Endpoints'' on page 905). If enabled,
the default DTMF signal that is played is "3212333". You can change this as described
below.
Note:
• You can configure the DTMF signaling type (e.g., out-of-band or in-band) using
the 'DTMF Transport Type' parameter. For more information, see ''Configuring
DTMF Transport Types'' on page 191.
• To generate DTMF tones, the device's DSP resources are required.
• Instead of playing DTMF tones, the device can play a non-DTMF tone from a PRT
file (Dial Tone #2). To enable this, you must configure 'Play' to PRT in the Test
Call Rules table and load a PRT file to the device (see ''Prerecorded Tones File''
on page 744).
 To configure played DTMF signal to answered test call:
1. Open the Test Call Settings page (Troubleshooting tab > Troubleshooting menu >
Test Call folder > Test Call Settings).
2. In the 'Test Call DTMF String' field, enter the DTMF string (up to 15 digits):
Figure 59-3: Configuring Played DTMF Tone for Test Calls
3. Click Apply.
59.6 Configuring Basic Test Call
The Basic Test Call feature tests incoming calls from remote SIP (IP) endpoints to a single
simulated test endpoint (Tel side) on the device. The test call is for IP-to-Tel calls (i.e.,
Gateway calls). The only required configuration is to assign a prefix number (test call ID) to
the simulated endpoint. All incoming calls with this called (destination) prefix number are
identified as a test call and sent to the simulated endpoint. The figure below displays a
basic test call example.
Figure 59-4: Incoming Test Call Example
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