Alpha EL642-IP NEXA Panel IP Audio Module

The EL642-IP comes with two buttons built in as regular Nexa modules. The codes for those buttons are 101 and 102. It has also R1 and R2
relays and the camera is wide angle. It is possible to be integrated with the SPA-3102 which allows the call transfer from each monitor to
a telephone number by using a land line! – You can chose, one SPA-3102 for all installation, so it is using same telephone line, therefore
the tenants will share the bill, one different telephone by monitor can be used. You can chose one SPA-3102 for each monitor, so each
monitor will use a different telephone line. It means different telephone Bill for each tenant.