Just got a infomercial SMS today from Globe that announce an expanded service to their Duo wireless landline — Globe SuperDuo.
Subscribers of Globe Duo can now upgrade to SuperDuo for Php499/30 days. SuperDuo allows you to make unlimited landline calls as well as unlimited calls to all Globe and Touch Mobile phones nationwide.
To upgrade, you need to deactivate Duo plan by texting “DUO OFF” to 8888. To activate Super Duo, text “SUPERDUO < area > ON” to 8888. The area tag will be your code designation for the landline number (e.g. Metro Manila, Cebu, etc).
If you have remaining credits on your Duo account, it will be credited to your Globe Super Duo.
What is not clear is that you might also lose your original landline number because you’ve deactivated Duo. Will verify this with Globe.