Panasonic KX-TDA50 Feature Manual page 342

2.4 Revision History
• 1.9.4 ICD Group Features—Outside Destinations
• 1.13.12 PRIVATE NETWORK FEATURES
[TIE Call by Own PBX Extension Number]
• 1.13.13 Private Network Features—Centralized Voice Mail
• 1.13.14 Private Network Features—NDSS (Network Direct Station Selection)
• 1.13.16 Private Network Features—PS Roaming by Network ICD Group
342 Feature Manual