User guide

Configuring the SCOPIA Gateway 119
Configuring Gateway Settings
ABOUT DTMF
DETECTION ON ISDN
OR SERIAL-TO-IP
CALLS
The Gateway passes incoming in-band DTMF signals to the IP-side endpoint
unchanged. In addition, you can configure the Gateway to convert in-band
DTMF signals from the ISDN or serial side to H.245 out-of-band signals on the
IP side. Figure 3-3 illustrates ISDN or serial-to-IP DTMF processing.
Figure 3-3 ISDN or Serial-to-IP DTMF Processing
CONFIGURING DTMF
SETTINGS
You can enable DTMF detection and settings in the Advanced section of the
Settings tab.
 Procedure
1 In the Gateway interface, on the sidebar, click Gateway (if not already
selected).
2 Click the Settings tab.
3 Click Advanced.
4 In the IP to ISDN Calls section of the PRI Gateway, you can select the
Translate DTMF from IP out-of-band (H.245) to ISDN in-band
(G.711 only) check box.
In the IP to Serial Calls section of the Serial Gateway, you can select the
Translate DTMF from IP out-of-band (H.245) to Serial in-band
(G.711 only) check box.
When selected, the Gateway performs the following:
 Converts H.245 out-of-band DTMF signals coming from the H.323
IP-side endpoint to in-band signals on the ISDN side.
Gateway
ISDN or Serial IP
in-band
in-band
Gateway
ISDN or Serial IP
H.245 out-of-
band
in-band
in-band
Duplicate DTMF signal from ISDN or Serial side as out-of-band on IP side
Unchecked
Checked