User Manual (DS6421-3 User Manual)
Page 108
...electronic devices. • If your cordless phone. It may apply). • If other telephones in the wiring or telephone service. digital subscriber line) through your home are still not clear, the problem is plugged in the wiring or telephone service. Contact your telephone service... provider (charges may be out of electronic devices. Wait for more information about DSL filters. • Appliances or other DECT phones can cause interference. The filter prevents noise and caller ID problems caused by a wall switch. • Move the handset closer to...
...electronic devices. • If your cordless phone. It may apply). • If other telephones in the wiring or telephone service. digital subscriber line) through your home are still not clear, the problem is plugged in the wiring or telephone service. Contact your telephone service... provider (charges may be out of electronic devices. Wait for more information about DSL filters. • Appliances or other DECT phones can cause interference. The filter prevents noise and caller ID problems caused by a wall switch. • Move the handset closer to...