Valcom Code Call Unit, Part# V-9923B CX5100 stateful inspection firewall

stateful inspection firewall

keypad module is easy to use just simply Connect your DoorBird IP Video Door Station to your smartphone to talk to your visitor anywhere you go

Permanently stitched to the back

Page with music output

For Use With: 31905 or 31906

Valcom Code Call Unit, Part# V-9923B CX5100 stateful inspection firewallThe V 9923B Code Call Unit is effectively capable of providing code signaling for paging purposes; it provides for "meet me" answer of code call and provides talk circuit and signaling tone. Have two or three digit code call paging via a loop start trunk port on a PABX or by the use of a spare line button on a key system. Features Trunk level access on PABX's, station level answer Can be used with 1A2 type key systems 81 two digit codes or 729 three