Number of telephone lines
The number of telephone lines directly determines how many different telephone numbers can be "attached" to the device. Support for two or more lines can be a good solution for users who want, for example, to receive business calls on one number and personal calls on the second, but at the same time use only one telephone set. Each of the numbers in this case will have its own ringtone.
Wall mounting
The design of these phones provides the possibility of vertical
mounting of the device on the wall. Usually, models of this type are more compact in size, have a long cord, and in some cases also have keys on the handset.
