There are so far 2 types of Windstream VOIP (Voice Over Internet Protocol) phones that stores will be using.

These 2 phones have a different way to dial any number. 

Wired 6920 IP Phone

In order to dial out using this Wired 6920 IP Phone, you have to use 8+<Number you wish to call>

Example: 

83056700746

Wireless Yealink W70B (Base Station) with W56H (Wireless Phone)

In order to dial out using this Wireless Yealink W70B (Base Station) with W56H (Wireless Phone), you have to use 9+<Number you wish to call>

Example:

93056700746

If any questions, please contact Sailormen IT department.