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JIRAIDAUTHSBX-50487
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The Block Diection feature restricts Direction feature provides the ability to restrict the

Spacevars
0series4
 from sending a SIP request (outside an existing dialog) from its own network to the opposite network, but does not restrict receiving a SIP request (outside an existing dialog) from the opposite network to its own network.

Additionally, the Block Direction feature can restrict the

Spacevars
0product
 from sending a SIP request or receiving a SIP request, or sending and receiving a SIP request from its own network to the opposite network.

Info
titleNote

When implementing a function that sends a test call, the network can send a test call to the opposite network even if blocking is enabled.

...

The 

Spacevars
0product
 allows all test calls even if blocking is enabled on trunk groups. 

 The blocking function prevents SIP requests from being sent outside an existing dialog from the originating network to the opposite network. The blocking function does not restrict the originating network from receiving a SIP request outside an existing dialog from the opposite network.

Command Syntax

 

Code Block
% set addressContext <address context name> zone <zone name> sipTrunkGroup <SIPTG name> blockDirection <bothways | incoming | none | outgoing>

 

Command Parameter

Caption
0Table
1SIP Trunk Group Action Parameters
ParameterDescription

blockDirection

The Block Direction options include:

  • bothways – This trunk group blocks calls in both directions.
  • incoming – Calls inbound to this trunk group are blocked.
  • none (default) – No calls are blocked by this trunk group.
  • outgoing – Calls outbound from this trunk group are blocked.