connet between two panasonic kx-hts32

[balhadj]

hello i'm new here also in ip phones and pbx systems
i'm locking to link between two KX-HTS32 panasonic hybrid
i have in the first one 101-102-103-104-105
i have in the second one 201-202-203-204-205
i want to make a call from 102 to 203 or from 203 to 102
how to do it !!
sorry for my english

 

[DenisTz]

Use sip trunk

 

[balhadj]

how i don't know
please show me i'm new in panasonic