For few of my contacts under connections of Whatsapp, the number is shown multiple times. Why is this?

[Antara Gupta]

For few of my contacts under connections of whatsapp, the number is shown multiple times.

Below is the scenario...Can anyone help why is this happening for few contacts.

Connections
Whatsapp
Message +9197........
WhatsApp Call +9197........
Message +9197........
WhatsApp Call +9197........
Message +9197........
WhatsApp Call +9197........
Message +9197........
WhatsApp Call +9197........ and so on around 15 times its repeated