Panasonic HYBRID IP-PBX KX-TDA200 - Manual (Page 216)

1.23 Portable Station (PS) Features
216 Feature Guide
1.7.2 Executive Busy Override
1.10.9 Parallelled Telephone
1.11.1 Call Transfer
1.12.2 Call Park
1.19.1.2 Calling/Connected Line Identification Presentation (CLIP/COLP)
User Manual References
User Manual
1.7.12 Using Your PS in Parallel with a Wired Telephone (Wireless XDP Parallel Mode)