The portion of the planet where Nick was happens to be visible from here, but unless Cam's phone is powerful enough to reach from a high orbit all the way down to the planet below he'll probably have to install a satellite relay. Or figure out backward compatibility with the one that's already here.
Cam's phone is fancy 2157 technology. It careth not for such distances.
"Well, I fixed the stargate, but nobody on the other end is checking their mail so I have a wait ahead."
"It's... the opposite of matter. If antimatter encounters matter they annihilate each other."
"Somebody bombed the facility. Some things were disconnected in what may have been a separate incident, but the bombing is why no one was around to fix it after."
"I could dig up a date but I'd be surprised if you're still using this calendar -" Cam hunts for datelike things in the records he's been conjuring.
"The bombing was in the year 2563, if that sounds about right to you, but your years and days are a different length on this planet."
"Station computer thinks it's now 2984. Which is not that far off from a 384 year difference in local years."
"Well, I don't know how religious you are about syncing with each other but if you all started at the same time that makes some sense."