Configuring Yate for Spintel.
Key to the information which appears in the example:
1. Edit a file /usr/local/etc/yate/accfile.conf

2. Edit a configuration file Dialplan /usr/local/etc/yate/regexroute.conf

Create a Yate extension number that connects to the softphone / ip-phone in order to receive incoming calls and make outgoing calls. Edit the file /usr/local/etc/yate/regfile.conf

Configuration is complete.