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Symmetrical signaling using TCP

edited Apr 24, 2014 9:15AM in Acme Packet (MOSC) 3 commentsAnswered

Hello,

 

I have a firewall issue on an enterprise SBC with SIP endpoints over TCP.

 

I found interesting SIP interface options in a previous post:

http://community.acmepacket.com/t5/SIP-Trunking-and-Interconnect/SIP-UDP-TCP-Source-port/m-p/1722/highlight/true#M141

 

It says:

"If you set the sip-interface options client-only-connect="TCP,TLS" and reuse-connections, then the SD will never create its own sockets with ephemeral ports. It will wait for endpoinst to connect to it, then send data back to the endpoints via the existing sockets."

 

I configured the sip-interface options as described but the SD keeps creating a TCP session when a call is routed to the SIP endpoint.

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