SBC session border controllers 63
Concurrent sessions restriction
– For registered subscribers — limit the
number of simultaneous sessions for
registered subscribers:
– No restriction — the number of
sessions is not limited;
– Deny all — total prohibition of
sessions;
– Maximum N sessions, where N is the number of simultaneous sessions;
– For non-registered subscribers — limit the number of simultaneous sessions for non-registered subscribers:
– No restriction — the number of sessions is not limited;
– Deny all — total prohibition of sessions;
– Maximum N sessions, where N is the number of simultaneous sessions.
Ingress calls
– Rule set — apply the rule set created in the "Rule set" menu to the incoming signalling (more information
in section 4.1.3.5 Rule set);
Egress calls
– Convert RFC2833 Flash into SIP INFO —
converts the Flash signal received using
RFC 2833 method to a SIP INFO
application/hook-flash request and transmits it to the communicating channel;
– Allow redirection — allows 302 responses processing. When disabled, SBC will end the call when 302
response is received from B. When enabled, SBC will process 302 responses as follows: after receiving a
subscriber C contact, SBC will try to send the call to him, notifying side A that the call has been redirected
by 181 response. If the contact contains the address of SBC itself, it will transparently route the 302 message
to side A by specifying the address of side A in the 'Contact' field.
Extended settings for SIP signaling
Operate similarly to SIP Destination settings; see SIP protocol settings in Section 4.1.3.2.
4.1.3.4 SBC Trunk
This submenu is used to configure trunks for load balancing or link redundancy purposes. Up to 256 trunks
can be created.
To create, edit or remove interfaces, use 'Objects' — 'Add an object', 'Objects' — 'Edit an object' and 'Objects'
— 'Remove an object' and the following buttons:
– «Add»;
– «Edit»;
– "Delete".
SBC Configuration –> SBC Trunk
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