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Avaya Session Border Controller Overview and Specification
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Binary Floor Control Protocol scenarios
Last Updated : Feb 04, 2020 |
Prolog information
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Examples of scenarios in which BFCP is used and the offer and answer messages for each scenario.
Remote Worker XT-client calls XT-MCU
|
Sr No
|
Sender
|
Floor-ctrl
|
Setup attribute
|
Connection
|
BFCP application line
|
|---|---|---|---|---|---|
|
1
|
Remote Worker XT-client
|
c-only
|
actpass
|
new
|
Valid connection and port
|
|
2
|
Avaya SBC
|
c-only
|
passive
|
new
|
Valid connection and port
|
|
3
|
XT-MCU
|
s-only
|
active
|
new
|
Discarded port. For example, 9
|
|
4
|
Avaya SBC (responds to Remote Worker XT-client)
|
s-only
|
passive
|
new
|
Valid connection and port
|
The same parameters are exchanged when a Remote Worker XT-client calls Elite-MCU.
Remote Worker XT-MCU calls internal XT-client
|
Sr No
|
Sender
|
floor-ctrl
|
setup attribute
|
connection
|
BFCP application line
|
|---|---|---|---|---|---|
|
1
|
Remote Worker XT-MCU
|
c-s
|
actpass
|
new
|
Valid connection and port
|
|
2
|
Avaya SBC
|
c-s
|
passive
|
new
|
Valid connection and port
|
|
3
|
XT-client
|
c-only
|
active
|
new
|
Discarded port
|
|
4
|
Avaya SBC
|
c-only
|
passive
|
new
|
Valid connection and port
|
XT-MCU internal to enterprise dials out and calls XT-client, which is a remote worker
|
Sr. no
|
Sender
|
floor-ctrl
|
setup attribute
|
connection
|
BFCP application line
|
|---|---|---|---|---|---|
|
1
|
XT-MCU
|
c-s
|
actpass
|
new
|
Valid connection and port
|
|
2
|
Avaya SBC
|
c-only
|
passive
|
new
|
Valid connection and port
|
|
3
|
Remote worker XT-client
|
c-only
|
active
|
new
|
Discarded port
|
|
4
|
Avaya SBC responds to XT-MCU
|
c-only
|
passive
|
new
|
Valid connection and port
|
Elite-MCU Release 8.3 internal to enterprise dials out and calls XT-Client which is remote worker
|
Sr No.
|
Sender
|
floor-ctrl
|
setup attribute
|
connection
|
BFCP application line
|
|---|---|---|---|---|---|
|
1
|
Elite-MCU
|
s-only
|
passive
|
new
|
Valid connection and port
|
|
2
|
Avaya SBC
|
s-only
|
passive
|
new
|
Valid connection and port
|
|
3
|
Remote worker XT-client
|
c-only
|
active
|
new
|
Discarded port
|
|
4
|
Avaya SBC responds to Elite MCU
|
c-only
|
active
|
new
|
Valid connection and port
|
After Avaya SBC responds to Elite MCU, Avaya SBC does not start any TCP connection towards Elite MCU 8.3. Elite MCU 8.3 times out and tries to establish a TCP connection.
Failover or network outage
In a failover or network outage, an entity tries to reestablish a TCP connection on the existing connection. If the entity fails, Avaya Meetings Server does not set up the connection again.