I was thinking that - assuming it doesn't just confuse the whole system such that neither phone receives calls properly.
Luckily, all the people character 1(a) will be calling also know 1(b), and are savvy about the time-travel and weird stuff, so I think she will either tell them not to call back on her phone, or warn them that if 1(b) picks up, to pretend they were calling her (and set up a system so they know immediately if it's 1(a) or 1(b) they've got.)
Unless it would work like a land-line, and a conversation over phone 1(a) is also transmitted to phone 1(b), so character 1(a) would overhear all of 1(b)'s calls and vice versa, which would probably mean 1(a) shouldn't use her phone at all. (Time travel is confusing.)
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Date: 2010-04-08 02:41 pm (UTC)Luckily, all the people character 1(a) will be calling also know 1(b), and are savvy about the time-travel and weird stuff, so I think she will either tell them not to call back on her phone, or warn them that if 1(b) picks up, to pretend they were calling her (and set up a system so they know immediately if it's 1(a) or 1(b) they've got.)
Unless it would work like a land-line, and a conversation over phone 1(a) is also transmitted to phone 1(b), so character 1(a) would overhear all of 1(b)'s calls and vice versa, which would probably mean 1(a) shouldn't use her phone at all. (Time travel is confusing.)