Outside you can choose at the same time
Transmission line between base unit and handset
FSK/DTMF dual system, automatic detection
First-and second-line switch, easy to operate
Intercom and call transfer feature
49 group numbers in the call log, query, and callback function
8 group dial number records that the query, set aside
Power-on password 60 thousands against thieves
Outside line break-index
Outside you can choose at the same timeTransmission line between base unit and handsetFSK/DTMF dual system, automatic detectionFirst-and second-line switch, easy to operateIntercom and call transfer feature49 group numbers in the call log, query, and callback function8 group dial number records that the query, set asidePower-on password 60 thousands against thievesOutside line break-index
