Toshiko: No, Owen, I can't just hook something up! The entire telephone network is down.
Owen: What about a mobile connection?
Toshiko: [slowly] The. Entire. Telephone. Network. Is down!
Ianto: Mobiles, landlines, tin cans with bits of string, everything, absolutely everything: no phones, phones all broken. [holds up hand in imitation of telephone] Hello? Anyone there? No! Because the phones aren't working!
Er, well, maybe you had to see it. But BRE and I rewinded and rewatched about three times. We're still texting it back and forth. Still funny.