Specifications

Ringing Cadences
Digital Intercom Ring: 150 msec. on, 75 msec. off, 4 sec. between rings
Digital line Ring: 450 msec. on, 75 msec. off, 4 sec. between rings
Digital Recall Ring: 275 msec.–300msec. on, 4 sec. between rings
Digital Camp-on Recall Ring: 150 msec. on, 75 msec. off
5 – 6 Knowing The Specifications
GCA40–215 General Description