Yes, there are multiple moments where they have to get to a landline to get out. if they could extract via cellphone then there wouldn’t be any tension around them needing to extract.
I vaguely remember Tank of Morpheus saying something to Neo when they were teaching him to say for certain. But that’s the whole basis of Trinity’s opening scene.
Did they actually establish that as a rule?
Yes, there are multiple moments where they have to get to a landline to get out. if they could extract via cellphone then there wouldn’t be any tension around them needing to extract.
I vaguely remember Tank of Morpheus saying something to Neo when they were teaching him to say for certain. But that’s the whole basis of Trinity’s opening scene.