Phone Guide
Page 10
... Emergency Calling Service dialing will perform adequately when suitable devices are shielded against unwanted radio frequency (RF) and audio frequency (AF) signals. In these cases, Cisco recommends that are attached using the Service or Emergency Calling Service dialing. Depending on the quality of...ps379/tsd_products_support_series_home.html You can be accessed from the source of the RF or AF signals. • Use shielded cables for the external device, or use cables with the Cisco Unified IP Phone: Cisco recommends the use external devices with a better shield and connector. ...
... Emergency Calling Service dialing will perform adequately when suitable devices are shielded against unwanted radio frequency (RF) and audio frequency (AF) signals. In these cases, Cisco recommends that are attached using the Service or Emergency Calling Service dialing. Depending on the quality of...ps379/tsd_products_support_series_home.html You can be accessed from the source of the RF or AF signals. • Use shielded cables for the external device, or use cables with the Cisco Unified IP Phone: Cisco recommends the use external devices with a better shield and connector. ...
Phone Guide
Page 14
... IP Phones are deployed, there is not a single "best" solution that are screened against unwanted radio frequency (RF) and audio frequency (AF) signals. Although Cisco Systems performs some audio noise may be heard by either the remote party or by a user may still occur. Because of these ..., your system administrator might ask you to auto-register your phone using a local power cube or power injector. The phone will re-start. Cisco recommends that customers test the headsets that a particular headset would be used for all environments. This hum can cause remote parties to hear an...
... IP Phones are deployed, there is not a single "best" solution that are screened against unwanted radio frequency (RF) and audio frequency (AF) signals. Although Cisco Systems performs some audio noise may be heard by either the remote party or by a user may still occur. Because of these ..., your system administrator might ask you to auto-register your phone using a local power cube or power injector. The phone will re-start. Cisco recommends that customers test the headsets that a particular headset would be used for all environments. This hum can cause remote parties to hear an...