Videx 2 button telephone c/w AC buzzer & mute switch

Material - White ABS plastic
No. Of cores to telephone - 5
Recommended cable type - CW1308
AC buzzer call tone - Yes
Electronic call tone - Yes
Call tone volume setting - Yes
Lock release button - Yes
Dry contact button - Yes
Privacy of speech between handsets - No
Slide mute switch - Yes
Slide mute switch with on/off LED - No

Terminal markings -
1 - Transmit speech
2 - Receive speech
3 - 0Vdc
4 - Electronic call tone
5 - Lock release
6 - AC buzzer call
8 & 9 - Dry contact switch