It's a very emotional and personal statement that expresses a longing for someone's voice, which could be due to:
* Missing a loved one: This could be a family member, partner, or friend who is physically absent.
* Missing a specific situation: This could be missing the sound of someone's voice in a specific context, like a conversation, a phone call, or a song.
* Missing the tone and quality of someone's voice: This could be a unique way someone speaks, their accent, or their emotional tone.
Overall, "je manque votre voix" expresses a deep longing for the sound of someone's voice, often reflecting a sense of missing that person or the connection they shared.