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 are 101 and 102. It has also R1 R2 relays camera is wide angle. possible to be integrated SPA-3102 which allows call transfer from each monitor to a telephone number by using a land line! - You can chose, one all installation, so same line, therefore the tenants will share bill, different used. chose monitor, each monitor use line. means Bill tenant.