Vtech model numbers: DS6151 (base & handset), DS6101 (handset)
I've got 2 lines from the base unit above into the 202, L1 on the base to PHONE1 jack, L2 on the base to PHONE2 jack.
I can now make calls outgoing calls from both lines, however only GV1 (SP1) will send caller ID information, GV2 (SP3) will say "No Caller ID" or "Unknown" to the called number.
Incoming calls to GV1 (SP1) will now ring on both handsets, calls to GV2 (SP3) will not go through.
Any advice on how to make the second line functional as a distinct line is appreciated.