Voice-over-internet-protocol (VoIP) telephony is a more cost-effective alternative to landline phone ... it difficult to know which phone system and plan offer the best value for your company.

There’s still plenty of demand for the best landline phones, as witnessed by two of BT’s models; the BT4600 Big Button and this one. The all singing, all dancing BT Premium Cordless Phone.

We expect this model to perform similarly to the tested AT&T EL52203 although it may differ in price and features. This score reflects the tested distance a phone can maintain an intelligible ...