Given modern communications technology, you can make use of the "phone a friend" option at almost any time. Sometimes this is good for consulting or planning, while at other times it's just perfect for smug bragging.
Transcript
R2-D2: Right. Time to call Luke over my radio. Luke, come in.
[SFX]: < bip pating doip-ding-spip prow doip-ding-spip deep-biddle >
Luke: {hologram} Uh... hello?
R2-D2: Okay Luke, you told me my plan was terrible, but check this out.
[SFX]: < doip-ding-spip biddle doop dip-deep bebloop bop >
R2-D2: I'm in the middle of Jabba's palace and about to kill everyone.
[SFX]: < doop zibuzz oodoo-ni-doing dooby kipoppity bedoing >
Luke: Everyone? Are you sure that's a good idea?
R2-D2: Well not ourselves. And possibly not Han. Hopefully.
[SFX]: < boop doosquee bap-jing blip-doip >
Luke: There are probably innocents there.
Jabba: I am as innocent as a hatchling slug.
C-3PO: Albeit rather more mighty.
R2-D2: Relax. You'll hardly feel any pain. Prepare to die!
[SFX]: < boop-tong-eeroo squee kap-jing ki-oobloo dip-deep doodle >
Jabba: Oh no you don't. I'm not about to take this lying down.
{beat}
Jabba: Well, I'm not going to take it, anyway.