"Phone through" is a common phrasal verb used to describe the act of making a phone call and being connected to the person on the other end. There are several synonyms for this phrase that can be used interchangeably. Some of the most common synonyms include: call, ring up, reach out, contact, and connect with. These words convey the same meaning as "phone through" and can be used in various contexts. For example, one might say "I need to call my doctor to schedule an appointment" instead of "I need to phone through to my doctor to schedule an appointment." Regardless of the synonym used, all convey the same intention of initiating a phone call.