You know, I was reading up on this the other day, and I think the answer might be B) CHECK. Isn't that the method specifically used for out of service detection?
Hmm, this is an interesting question. I'm not too familiar with the SIP protocol, but I think the correct answer is probably D) OPTIONS. Isn't that the method used to check the status of a device?
Gayla
8 months agoLilli
8 months agoDelmy
8 months agoLilli
8 months agoJina
9 months agoFelix
9 months agoFrank
9 months agoEdna
10 months agoVanna
10 months agoEdna
10 months agoIlene
11 months agoTawanna
11 months agoWhitley
11 months agoWillis
11 months agoFrancine
11 months agoAlana
11 months agoSantos
9 months agoEladia
9 months agoLaine
10 months agoKate
10 months ago