An important conversation.

How do you talk on the phone? In what position? Does the topic of conversation and the interlocutor influence your position?
Remember in the old movies, when a man spoke to his boss on the phone, he even got up from his chair as a sign of respect.
Those days are long gone. We stopped even thinking about it. We talk to anyone in the position in which we are comfortable. Maybe even like that. We don't think about it.
It doesn't matter to us.
Many of us will remember more piquant situations.)
The picture can be sent by standard method. Only canvas in a roll in a cardboard tube. Or as a whole, stretched over a stretcher in a plywood box.
Naturally, the second method will cost you more. It all depends on your geolocation and the cost of the painting.
In any case, ask me and I, if possible, will dispel your doubts.