Panasonic KX-TVA50 Installation Manual page 148

5.4 KX-TA824 PBX Programming for Inband Integration
for each extension connected to the VPS. Finally, go to the 3.CO - 1.Line Mode screen and set all
trunk (CO line) types to Normal. Click Apply to save the changed data.
148 Installation Manual Document Version 3.0 2010/06