AudioCodes Mediant 4000 SBC User Manual page 208

Session border controller

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Configure the 'RTCP Mux' parameter (IpProfile_SBCRTCPMux) to Supported.

Multiplexing is required as the DTLS handshake is done for the port used for RTP

and thus, RTCP and RTP must be multiplexed onto the same port.

Configure the ini file parameter, SbcDtlsMtu (or CLI command configure voip >

sbc settings > sbc-dtls-mtu) to define the maximum transmission unit (MTU) size

for the DTLS handshake.

The 'Cipher Server' parameter must be configured to "ALL".

The device does not support forwarding of DTLS transparently between endpoints.

User's Manual

Mediant 4000 SBC

Document #: LTRT-40203

Mediant 4000b sbc