Send the following on WhatsApp
Continue to ChatMicrosoft Exchange 2007 Unified Messaging PBX Configuration Note for Cisco Call Manager 5.1 https://peterdehaas.net/2007/04/microsoft_excha.html
Microsoft Exchange 2007 Unified Messaging PBX Configuration Note for Cisco Call Manager 5.1 https://peterdehaas.net/2007/04/microsoft_excha.html