I tried to send messages to 200 contacts, using new twilio numbers, and got at least 100 errors.Most of them were "unreachable destination handsets" with some "carrier violations" mixed in.

The cylinder for this key is a different color that looks good with our standard color handsets. 

Enable with my Sprint Number Option 2: Replace your Sprint number with your Google Voice number Calls made from your Sprint handset will display your Google Voice number.

They wouldn't know a landline if I beat them with a handset from a rotary phone.

The design assumed a computer so you could not easily use it as the house line in the past.These days you can get handsets that have Skype built in.

Rolling countryside, prairie and amazing homes, with big square footage, hand-set landscaping, tidy driveways, swimming pools and fences....and even a country golf course - but driving there is so beautiful you remember you can relax.

Open this with the tool that comes with the handset.

Calls made from your Sprint handset will display your Google Voice number.

Aloha,Most brands of handsets can be obtained as "storeroom" function, which are always locked and require a key from the outside.

Please let me know if you would like a hand setting it up.