In North America, it's unusual to ask for a business person's WhatsApp or Telegram or whatever. These contacts are not often published or shared for work. It's

In North America, it's unusual to ask for a business person's WhatsApp or Telegram or whatever. These contacts are not often published or shared for work. It's more common to receive their landline extension or cell phone number. When establishing a business relationship, saving a few cents by trying to figure out mutual VoIP options isn't worth the friction and lost opportunities.