NEC MH240 - FAVORITES; TO USE FAVORITES

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Set the DTMF Mode:
Factory Default: 1.Inband
You can set the DTMF mode (In-band or Out-Band) as required.
STEP1: On the Advanced menu, press key to select “4.DTMF Mode” and then press
“OK” soft key or press .
STEP2: Press key to select an appropriate DTMF mode and then press “OK” soft key.
STEP3: Press to save.
Advanced
5.Jitter Buffer
1.Register Timer
2.Codec
3.Payload Size
4.DTMF Mode
DTMF Mode
OK Back
1.Inband
2.Outband(RFC2833)