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Very poor reception - 0 to 2 bars, mostly 0 inside building. Call can drop half-way even outside the building.

Often had calls drop or no service at all. Most times it was on roaming. AT&T went downhill after buying Cingular. The calls dropped a lot more often, they started overbilling.45 per minute instead of.35 per minute per my contract and they started charges after 900 minutes when my contract had 1300 minutes on it. It became a monthly battle to go through my bill and call them to correct it. They usually corrected their mistakes but I got tired of having to scrutinize the bill each month so I was forced to move to Sprint.

Just awful. Middle of Silicon Valley and no reception at this intersection.

I took the advice from the AT&T agent and got a Sony Ericsson T62U multiband phone (both GSM and TDMA) to try out. It performed worse than the old Nokia 3360. There is virtually no signal and the phone showed it was "Roam" on someone else's network all the time. So I took the phone back to AT&T store. Guess what, the AT&T store told me that they can take the phone back but I have to call AT&T to cancel the account myself. When I did, I had to wait for 40 minutes before I get to talk to a life person. So I am parting my 10 years relationship with AT&T.

I've had AT&T's GSM service for a little over a year and my reception seems to be getting worse. I can't even use my phone at home anymore, whereas I used to be able to at least use it when I was upstairs, near a window.

I have been a customer of AT&T Wireless for nearly 10 years. Their service seems to be deteriorate year after year. I no long can receive strong enough signal to make a call except in the upstair room next to a big window now. Their customer care agent told me that's probably due to the fact that they are converting some of ther TDMA towers to GSM thus don't have enough coverage for TDMA users. He urgeed me to switch to their new GSM phones.

got sick and tired of AT&T, moved to Sprint and never dropped a call. This is the best cell service I got in Monta Vista areas. My wife go Verizon and it works best also.

I've been with Sprint for a long time, but never had problems like this until I moved to Cupertino 15 months ago.

1 to 2 bars with Sprint often dropping calls. Tried 2 different Sprint phones and had same problem. AT&T had a little better service here but they can't seem to get they really deteriorated after the Cingular merger. Sprint office looked up this area and it's in a yellow zone with 25% drop rate. I don't think any phone could work well here. Sprint reps were great and give me great service so I'm going to stick it out hoping they'll fix the area coverage.

Never had a problem. Sprint seems to have good coverage in Cupertino area. However, I've noticed that the reception deteriorates in various pockets in Sunnyvale.