Download CyberGuard SG530 Specifications

Interoperability Configuration
Reference Manual (MGCP/NCS Version)
The following illustrates the message flow when using the firewall keep-alive feature.
Note: The RSIP RM: x-keepalive command does not require any 200 OK from the MGC. In this case, the
200 OK is optional.
Figure 26: Firewall Message Flow
Firewall
RSIP 1001 *@rush.mediatrix.com MGCP 1.0
RM: restart
200 1001 OK
Port 2727
RSIP 1002 *@rush.mediatrix.com MGCP 1.0
Port 2427
RM: x-keepalive
200 1002 OK
RSIP 1003 *@rush.mediatrix.com MGCP 1.0
RM: x-keepalive
MGC
Gateway
200 1003 OK
etc.
Interoperability Configuration
The following sections describe a few interoperability parameters you can use to impove the way the Mediatrix
4100 interops with other products.
Note: The following parameters also apply if the unit is running the NCS signalling protocol.
Offer/Answer Model
Standards Supported
•
RFC 3264 – An Offer/Answer Model with the Session
Description Protocol (SDP)
You can define whether the Mediatrix 4100 requires strict adherence to RFC 3264 from the peer when
negotiating capabilities for the establishment of a media session.
 To define how to process the Offer/Answer model:
1.
Mediatrix 4100
In the mgcpncsExperimentalMIB, set the mgcpncsValidateOfferAnswerModel variable to the proper
value.
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