Yes I suspect its only the landline connection. Initially I was only using the phones with two mobiles synced and no landline. Absolutely nothing on the call list. However when connected to a landline it did show a record directly connected to the landline but still nothing for mobile calls. I had wondered if the landline connection would sort it all with installed software.
Its a pity the manual doesn't state this. The manual clearly states once a mobile is paired you can not make or receive calls directly from the mobile. Should also tell you that pairing will sync your contacts but not the call list or explain how to.
