modular_bluemoon/code/modules/phone/phone.dm 
| /obj/item/telephone | TELEPHONE |
|---|---|
| /obj/structure/transmitter/no_dnd | TELEPHONE TYPES /// always available. |
| /obj/structure/transmitter/hidden | you don't see it in the phone lists and can't call here. |
| /obj/structure/transmitter/command | FACTIONS AND SPECIAL LINES |
| /obj/structure/transmitter/syndicate | Special line for DS-1 and DS-2 |
| /obj/structure/transmitter/centcom | admins can call anywhere anytime. |
| /datum/looping_sound/telephone/ring | ETC |