DS 5038S Watch next Samsung Telephone System (#15) www.youtube.com DS 5038S Phone handsets can be telephone extensions on small business telephone systems like this Samsung OfficeServ 7030. 1 st video clip in the series. Covers; Maximum number of digital keyphones – 15 Max no. of analogue POT extensions – 4 Maximum ISDN lines – 4 x ISDN2 (8 channels) Max no. of SIP trunks – 8 channels Max voicemail ports – 4 port To select another one of our playlists featuring Samsung Telephone Systems visit …