LifeSize Gateway-PRI User Manual page 106

Configuring Gateway Settings
A DTMF
BOUT
D
ETECTION ON
IP- -ISDN S
TO OR ERIAL
C
ALLS
A DTMF
BOUT
D ISDN
ETECTION ON
S - -IP C
ERIAL TO ALLS
98 LifeSize Gateway User Guide
The LifeSize Gateway passes incoming in-band DTMF signals to the ISDN or
serial-side endpoint unchanged. In addition, you can configure the LifeSize
Gateway to convert H.245 out-of-band DTMF signals from the IP side to
in-band signals on the ISDN or serial side.
serial DTMF processing.
Figure 3-3
Translate DTMF from IP out-of-band (H.245) to ISDN or Serial in-band (G.711 only)
IP
H.245 out-of-
band
in-band
The LifeSize Gateway passes incoming in-band DTMF signals to the IP-side
OR
endpoint unchanged. In addition, you can configure the LifeSize Gateway to
convert in-band DTMF signals from the ISDN or serial side to H.245
out-of-band signals on the IP side.
DTMF processing.
IP-to-ISDN or Serial DTMF Processing
Unchecked
ISDN or Serial
suppressed
in-band
Gateway
Figure 3-4
Figure 3-3 illustrates IP-to-ISDN or
Checked
IP
H.245 out-of-
band
in-band
Gateway
illustrates ISDN or serial-to-IP
ISDN or Serial
in-band
in-band