Just quick post on this topic for now.
After completing my PIC request with Microsoft I found that even after receiving my succesfull completion email I could still not chat to external Skype contacts.
Since this all happened about a week before my annual leave I decided to let things “Settle” in and leave it for the new year.
Upon my return I was happy to see it has now “replicated” and I am able to speak to my Skype contacts.
In short, the only catch when adding contacts is the “custom” domain format:
Domains not requiring the use of this format:
@live.com, @hotmail.com or @outlook.com – However for a complete list please visit this URL:
For the full guidance on how to add these, please see the below TechNet article: