Samsung IPX-S300B - CHAPTER 8. SBC Function; Signaling and Media Control; Call Routing; Security

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CHAPTER 8. SBC Function
8.1 SBC Function
Signaling and Media Control
SIP signaling and media can be transferred between the inside and the outside.
UDP, TCP, and TLS transport are all supported, with support for conversion transfer.
SIP signaling and media can be transferred for SIP entities under NAT of the external
network.
Call Routing
Routing adjustment can be done based on the source address in the SIP signaling message.
Subscriber call routing can be done according to the registration message.
Security
SIP signaling from unauthorized IP addresses can be rejected.
Topology for SIP messages can be hidden.
Redundancy
In the case of SIP entity validation (using ping or options messages) or problems,
alternative routes can be used.
QoS Marking
QoS settings can be enabled.