Content
M-SERIES
Setting Category
<Global Settings>
Web User Interface
Servers → 3CX PBX
XML Configuration
<sip_r_key_dtmf_string>VALIDVALUE</sip_r_key_dtmf_string>
Description
This string specifies the DTMF that is sent via SIP when the R key is pressed. Not applicable to all configurations.
Valid Values
Default Value
empty