AudioCodes MP-124 - Page 243

Version 5.8 243 September 2009
SIP User's Manual 6. Configuration Parameters Reference
Parameter Description
Web/EMS: Media Security
Behavior
[MediaSecurityBehaviour]
Determines the device's mode of operation when SRTP is used
(i.e., when EnableMediaSecurity is set to 1).
 [0] Preferable = The device initiates encrypted calls. If
negotiation of the cipher suite fails, an unencrypted call is
established. Incoming calls that don't include encryption
information are accepted. (default)
 [1] Mandatory = The device initiates encrypted calls, but if
negotiation of the cipher suite fails, the call is terminated.
Incoming calls that don't include encryption information are
rejected.
Web: Master Key Identifier
(MKI) Size
EMS: Packet MKI Size
[SRTPTxPacketMKISize]
Determines the size (in bytes) of the Master Key Identifier (MKI) in
SRTP Tx packets.
The range is 0 to 4. The default value is 0.
SRTP offered Suites
[SRTPofferedSuites]
Defines the offered SRTP crypto suites.
 [0] All = All available crypto suites (default)
 [1] AES_CM_128_HMAC_SHA1_80 = device uses AES-CM
encryption with a 128-bit key and HMAC-SHA1 message
authentication with a 80-bit tag.
 [2] AES_CM_128_HMAC_SHA1_32 = device uses AES-CM
encryption with a 128-bit key and HMAC-SHA1 message
authentication with a 32-bit tag.
Web: Disable Authentication On
Transmitted RTP Packets
EMS: RTP
AuthenticationDisable Tx
[RTPAuthenticationDisableTx]
On a secured RTP session, this parameter determines whether to
enable Authentication on transmitted RTP packets.
 [0] Enable (default)
 [1] Disable
Web: Disable Encryption On
Transmitted RTP Packets
EMS: RTP EncryptionDisable
Tx
[RTPEncryptionDisableTx]
On a secured RTP session, this parameter determines whether to
enable Encryption on transmitted RTP packets.
 [0] Enable (default)
 [1] Disable
Web: Disable Encryption On
Transmitted RTCP Packets
EMS: RTCP EncryptionDisable
Tx
[RTCPEncryptionDisableTx]
On a secured RTP session, this parameter determines whether to
enable Encryption on transmitted RTCP packets.
 [0] Enable (default)
 [1] Disable