To learn more about the various methods of controlling transport protocols for SIP signaling and how these work together, refer to Controlling SBC Core Transport Protocols for SIP Signaling.


Use this object to define the preferred ordering of the allowed SIP transport protocols.

Command Syntax

% set addressContext <name> zone <name> sipTrunkGroup <name> signaling transportPreference
    preference1 <none | sctp | tcp | tls-tcp | udp>
    preference2 <none | sctp | tcp | tls-tcp | udp>
    preference3 <none | sctp | tcp | tls-tcp | udp>
    preference4 <none | sctp | tcp | tls-tcp | udp>

Command Parameters

Transport Preference Parameters

ParameterDescription
transportPreference 

Define the preference ordering of allowed SIP transports.

  • preference1

  • preference2

  • preference3

  • preference4

The following options apply to each of the above parameters:

    • none (default)

    • sctp

    • tcp

    • tls-tcp

    • udp