However, being out of contact for a period also had its benefits: "It didn't do conference attendees any harm to not have their cellphones for a bit."
Ms Forrest said having cellphone coverage now opened up possibilities to use apps, QR codes and more social media, and they could start looking to move away from pamphlets and signposts.
"It will make us a little bit more modern," she said.
As the major telecommunications providers had signed on, the signal had gradually improved since the tower went up, although she noted there could be some interference in coverage on rough days.