[asterisk-users] IPv6 transport results in ICE with only IPv6 candidates

Brian J. Murrell brian at interlinx.bc.ca
Wed Apr 17 10:49:57 CDT 2019

On Wed, 2019-04-17 at 10:04 -0400, Joshua C. Colp wrote:
> You specify the transport in the SIP URI. For example:
> sip:test at example.com;transport=tcp

Hrm.  This is probably going to be pretty basic, but some googling
didn't seem to come up with anything.  How do you do this when you are
assigning to a variable in extensions.conf such as:

FRED=PJSIP/outgoing/sip:fred at sip.example.com;transport=tcp

The ; is taken as a comment starting character, isn't it?

Even in AEL:

FRED="PJSIP/outgoing/sip:fred at sip.example.com;transport=tcp";

The ;transport=tcp doesn't seem to survive.

I can add it onto the end of the variable in the Dial() command:


and it has the desired effect, but of course specifying at the point
where the Dial command is sets the transport policy much too broadly.


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