[SIPForum-discussion] REFER

[varlei]

Hi Guys,

I have a doubt about field Refer-to inside REFER message.

Is optional  "transport" parameter in Refer-to?

Eg.:

Refer-To: 
7777777 at 1.1.1.1:5060;*transport=tcp*?Replaces=257394699-622204508-1221204790%3bto-tag%3dSEC11-66d010a-76d010a-1-Mr1Lkp7vqPpT%3bfrom-tag%3d1606923679 
<sip:+525599993201 at 10.1.100.54:5060;transport=tcp?Replaces=257394699-622204508-1221204790%3bto-tag%3dSEC11-66d010a-76d010a-1-Mr1Lkp7vqPpT%3bfrom-tag%3d1606923679>"
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