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How to configure DTMF keys in R2X
How to configure direct IP call:
Go to Intercom - Relay to configure DTMF code.
DTMF Option: To select digit of DTMF code, R2X support maximum to 4 digits’ DTMF code.
DTMF&Multiple DTMF: To configure DTMF code for remote unlocking.
How to configure type of DTMF:
Go to Account - Advanced - DTMF to configure DTMF type.
Type: Support inband, info, RFC2833 or their combination.
How To Notify DTMF: Only available when DTMF type is info.
DTMF Payload: To configure payload for DTMF.
Please refer to How to configure DTMF types for more details.