User's Manual 438 Document #: LTRT-10632
Mediant 800B Gateway & E-SBC
2. Click New; the following dialog box appears:
Figure 20-8: IP Profiles Table - Add Dialog Box
3. Configure an IP Profile according to the parameters described in the table below.
4. Click Apply.
Table 20-5: IP Profiles Table Parameter Descriptions
Parameter Description
General
Index
[IpProfile_Index]
Defines an index number for the new table row.
Note: Each row must be configured with a unique index.
Name
profile-name
[IpProfile_ProfileName]
Defines a descriptive name, which is used when associating the row in
other tables.
The valid value is a string of up to 40 characters.
Media Security
SBC Media Security Mode
sbc-media-security-
behaviour
[IpProfile_SBCMediaSecurity
Behaviour]
Defines the handling of RTP and SRTP for the SIP entity associated
with the IP Profile.
[0] As is = (Default) No special handling for RTP\SRTP is done.
[1] SRTP = SBC legs negotiate only SRTP media lines, and RTP
media lines are removed from the incoming SDP offer-answer.
[2] RTP = SBC legs negotiate only RTP media lines, and SRTP
media lines are removed from the incoming offer-answer.
[3] Both = Each offer-answer is extended (if not already) to two
media lines - one RTP and the other SRTP.
If two SBC legs (after offer-answer negotiation) use different security
types (i.e., one RTP and the other SRTP), the device performs RTP-
SRTP transcoding. To transcode between RTP and SRTP, the
following prerequisites must be met:
At least one supported SDP "crypto" attribute and parameters.
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