Dialogic 1000Series, User Manual

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90 Dialogic
®
1000 and 2000 Media Gateway Series User’s Guide
Parameter Reference
Cipher Mode
Description: Specifies the cipher used to encrypt voice packets.
Note: Plain text is essentially no encryption and should be used only for testing purposes. For no
encryption, you should specify RTP ONLY in the
SRTP Preference parameter.
Allowed Values:
• Plain_Text = Use Plain_Text as the cipher (No encryption - for testing purposes only)
Note: Plain_Text is not supported in Version 5.1 SU2 Software.
• AES_Counter_Mode = Use AES_Counter_Mode as the cipher
Default Value = AES_Counter_Mode
INI File Parameter Name = srtpEncodeType
Authentication Type
Description: Specifies the type of packet authentication used with Secure RTP. It is recommended
that you enable authentication when using Secure RTP.
Allowed Values:
• None = No authentication is used
Note: None is not supported in Version 5.1 SU2 Software.
• SHA1 = SHA1 authentication type is used
Default Value = SHA1
INI File Parameter Name = srtpAuthType
Authentication Tag Length
Description: Specifies the length of the authentication tag transmitted with the voice packet. A 32-
bit tag length should be used when network loading is a concern.
Allowed Values:
• SHA1_32_bit = Uses 32-bit authentication tag
• SHA1_80_bit = Uses 80-bit authentication tag
Default Value = SHA1_80_bit
INI File Parameter Name = srtpAuthTag