PhonerLite allows you to transfer calls. You can transfer the call to a sip account or to a mobile phone (to your colleague, for example)
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1. Dial the number of the first subscriber

2. Then call the second subscriber
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3. Right-click on the number of the first subscriber, then choose to transfer the call.

In this case, the call transfer is accompanied. So, you can talk to the second interlocutor before connecting him to the first subscriber on the line.