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< Esato Forum Index > Sony Ericsson / Sony > GPRS, WAP, MMS and Email setup > T65 is pbcch compatible ? Bookmark topic

All is in the topic.

If yes, must it have a specific firmware ?

[moua]
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Posted: 2002-06-03 12:44:00
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First tell what the fu*k is pbcch
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Posted: 2002-06-03 12:49:00
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I assume you mean the Packet Broadcast Control Channel??

why do you wonder if T65 supports it?



[ This Message was edited by: Cytech on 2002-06-03 12:08 ]
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Posted: 2002-06-03 12:55:00
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Yes Cytech that's it.

PBCCH is for manage GPRS in a more equitable way between GPRS and voice call.

Currently it is not obligatory, But at the end of this summer (or maybe september) Orange France don't allow GPRS phone who don't support it.

Motorola support it since long month (it was the only phone's sell directly by Orange F in pack for the GPRS).
Nokia's phones actually don't support it, and gprs is not very stable, so they don't sell them for gprs.
T68 support it since T68i update, T39 since a recent R4A, but what about T65 ?

PS : last week Orange F launch a new offer, unlimited wap for 6€/month : "it remains 744 houres of unlimited orange (CSD), and 100Mbytes in GPRS access to wap" (limmity to WAP only, no pop3, ftp, telnet...)

PPS : Sorry, my english is not perfect
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Posted: 2002-06-03 14:02:00
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Quote:
PBCCH is for manage GPRS in a more equitable way between GPRS and voice call.



not quite.... the PBCCH is used in GPRS networks to broadcast control information to mobile phones... why shouldn't all GPRS phone support this channel? the channel is a unidirectional, meaning only the basestation can send information on the channel...

where have you got the info that only some phones support it?

[ This Message was edited by: Cytech on 2002-06-03 13:20 ]
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Posted: 2002-06-03 14:20:00
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Quote:
not quite.... the PBCCH is used in GPRS networks to broadcast control information to mobile phones... why shouldn't all GPRS phone support this channel? the channel is a unidirectional, meaning only the basestation can send information on the channel...

PBCCH was not implemented on the first networks operating GPRS. O2 and Vodafone in the UK for example never implemented it at the start simply becuasethe amount of GPRS traffic was far far less than the amount of voice traffic. Now the amount of GPRS traffic is slowly increasing the need for PBCCH has now become apparent. On the other hand companies such as Orange are future proofing from day one and implementing PBCCH from day one of GPRS becoming active on theyre networks.

Now, except from Motorola, many mobile companies wanted to push out as many GPRS phones as possible and in the knowledge that many networks dont use PBCCH now, it wasnt put into the many early GPRS phones. Nokia for example has very large problems with GPRS, however Ericsson has updated its T68, T68i, T66 and T39 with Firmware to address this problem. The T65 hasnt been updated though.

I think this is why the original question was raised as without PBCCH the T65 GPRS features will be absoloutely useless on networks currently with PBCCH and on all networks when PBCCH is finally installed on them.
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Posted: 2002-06-05 16:46:00
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PBCCH is not active here in France now, but it will be in september.
Nokia's phone are the only gprs phone who are not sell as pack for gprs here now (by the 3 GSM operator here), because there's no PBCCH AND the speed is very low (abour 10-15kbps).

T66 don't have GPRS

T39 support PBCCH since about a week, T68m too.

I'm waiting to be shure that T65 will support it shorlty, because i don't whant to buy a phone (primarily for GPRS, because i have a T20e who have less than 5 month old and have most functions of T65) who lost its biggest function in 3 month :-/
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Posted: 2002-06-05 19:32:00
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