vB Easy Archive - Audiovox can't connect to a service

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Audiovox can't connect to a service
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Posted by: ee98198

Hi. I'm from Portugal and i bought an (unlocked) Audiovox SMT 5600. The problem is that despite it detects the 3 services available in Portugal (Optimus, Vodafone and TMN) and after manually selecting the provider of the gsm card i have it does connect, but only for a few seconds.... after that it starts "searching again", and sometimes appears "service denied" after messing with it... is it because the portuguese service providers operate in 900/1800 Mhz? The SMT 5600 operates in 850/1800/1900... Please help me...

Posted by: thecynosureone

Quote:

Originally posted by ee98198
Hi. I'm from Portugal and i bought an (unlocked) Audiovox SMT 5600. The problem is that despite it detects the 3 services available in Portugal (Optimus, Vodafone and TMN) and after manually selecting the provider of the gsm card i have it does connect, but only for a few seconds.... after that it starts "searching again", and sometimes appears "service denied" after messing with it... is it because the portuguese service providers operate in 900/1800 Mhz? The SMT 5600 operates in 850/1800/1900... Please help me...

It could be a bad ESN.

Posted by: VaderFan

Quote:

Originally posted by thecynosureone
It could be a bad ESN.

GSM phones don't have an ESN

They do have an IMEI number but it can't be that.

Posted by: thecynosureone

Quote:

Originally posted by VaderFan
GSM phones don't have an ESN

They do have an IMEI number but it can't be that.

Oh sorry, didn't know it was GSM

Posted by: VaderFan

Quote:

Originally posted by thecynosureone
Oh sorry, didn't know it was GSM

It is. Even if you didn't know it was GSM phone, he mentioned a 850Mhz network, you could figure it out from there. Only GSM networks use that frequency, there's no CDMA networking working on 850Mhz

Posted by: thecynosureone

Quote:

Originally posted by VaderFan
It is. Even if you didn't know it was GSM phone, he mentioned a 850Mhz network, you could figure it out from there. Only GSM networks use that frequency, there's no CDMA networking working on 850Mhz

Yep, you're right, should have known. CDMA is AMPS 800 / CDMA 800 / CDMA 1900 right??

Posted by: VaderFan

Quote:

Originally posted by thecynosureone
Yep, you're right, should have known. CDMA is AMPS 800 / CDMA 800 / CDMA 1900 right??

No. AMPS is analog (AMPS=Analog Mobile Phone System), not CDMA. CDMA is available on 450, 600, 800, 900, 1800 and 1900 Mhz depending on the country.

Posted by: thecynosureone

Quote:

Originally posted by VaderFan
No. AMPS is analog (AMPS=Analog Mobile Phone System), not CDMA. CDMA is available on 450, 600, 800, 900, 1800 and 1900 Mhz depending on the country.

Oh ok..

Posted by: ee98198

but my doubt is: is it possible that my country's service providers use the 900 MHz band to voice communication and because my 5600 doesn't work on that frequency (works at 850MHz) i'm having problems like intermitent reception and very very bad voice communication?

Posted by: VaderFan

Quote:

Originally posted by ee98198
but my doubt is: is it possible that my country's service providers use the 900 MHz band to voice communication and because my 5600 doesn't work on that frequency (works at 850MHz) i'm having problems like intermitent reception and very very bad voice communication?

Yes, because your other phone may be working on 900Mhz when the Audiovox has to be working on 1800Mhz, the 1800Mhz signal is not as strong as the 900Mhz signal most likely.