Question about calling for backup

So recently I used my cell phone to call in some backup during battle.  They went down, and I didn't bother reviving them.  Now their number is greyed out on my phone.  I thought in SR2 you had to wait a few days and then they'd come back and you'd be able to call them again.  I've waited a couple days in SR3, and they're still greyed out.  What gives?  Am I missing something here?


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Last updated July 4, 2018 Views 3 Applies to: