If you've opted to use a softphone with your Hostcomm Hosted Telephony service, this guide will explain how to download, install and use the Zoiper softphone.
Read the Guide.
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Firewall settings are as follows: Option 1 Open ports 5060 - SIP port 10000-50000 RTP...
How to use your Cisco IP Phone 7940/7960 - User Guide
Your Cisco IP Phone 7940/7960 provides a vast array of features that will help you communicate...