The meaning of the Acronym PBX is...

PBX is

• Peanut Butter Xtra

More Meanings For PBX:

• Private Branch Exchange
• Private Branch Exchange
• Private Branch Exchange
• Peanut Butter Xtra
• Private Branch Exchange
• Punctuation

PBX is also in:

• Food
• General
• Media
• Military
• Networking
• Telecom