Here's how this is supposed to work:
Someone calls 2121, rings 4 times, goes to 2600, rings 4 times, goes to 2200 which is voicemail.
If I call 2600, it rings 4 times and goes to voicemail OK.
If I call 2121, it rings 4 times, jumps to 2600 and then rings forever. What's wrong?
DN 2600
TYPE...