Manufacturers of direct dial emergency phones.

• See also:
• Masterformat 2004
• 10 17 00 - Telephone Specialties
• 10 17 13 - Telephone Directory Units
• 10 17 16 - Telephone Enclosures
• 10 17 19 - Telephone Shelving
• 27 00 00 - COMMUNICATIONS
• Masterformat 1995
• 10750 - Telephone Specialties
• 16700 - Communications