[Hero, G2 Touch General] it@chi:
Ok, thanks to zizoom I checked the smsc entry on the menu *#*#4636#*#* and it was empty.

I filled it with the right smsc number (bouygues) and sms works again !

Here is the list where you can find smsc numbers:

Albania
AMC +355 3820

Andorra
+376-301004

Australia
One.Tel Australia +61 411 990 001
Vodafone Australia +61-415011501
Telstra Australia +61-418706700
Telstra Australia +61-418706800
Telstra Australia +61-418706900
Optus Australia +61-412025989
Optus Australia +61-411990000
Optus Australia +61-411990001
Optus Australia +61-411990003

Austria
A1 +43 664 0501
Connect ONE +43 699 0001999
max-mobil +43 676 021
tele.ring +43 650 09000000.

Azerbaijan
Azercell +994-50-910-3300
Bakcell +994557070707

Baharain
+973-9600179
Batelco +97392
Batelco +97394
Batelco +97396
Batelco+973973
Batelco +97398

Bangladesh
GrameenPhone +88017099999
GrameenPhone +88017500569
AKTEL ???

Belgium
Mobistar Belgium +32-95955205
Mobistar Belgium +32495002530
Proximus Belgium +32 475 161616
Orange Belgium +32-486000005

Bosnia and Herzegovina
PTT GSM BIH +387-66-125522

Botswana
Mascom Wireless +267-71010024
Vista Cellular +267 72000003.

Brunei Darussalam
+673879500

Bulgaria
MobilTel: +35988000301

Canada
Fido Canada +1-5149931123

Chile
Entel PCS +56-98890005

China
Telecom China +86-1390591500
Telecom China +86 13800100500

Croatia
Cronet +385-980501
VIPNET +385-910401

Cyprus
Cyprus +3579700000

Czech Republic
Eurotel Czech rep +420-602909909
Radiomobil Czech rep +420-603051

Denmark
Sonofon Denmark +45-40590000
TeleDanmark Denmark +45-40390999
Telia DK Denmark +45-28187000
Mobilix Denmark +45-26265151

Denmark
Free! +45 40590006

Egypt
Click GSM +20105996500
Mobinil +20122000020

Estonia
EMT Estonia +372-5099000
Ritabell Estonia +372-5509911
Radiolinja Estonia +372-568771010

Fiji
+679901400

Finland
Radiolinja Finland +358-508771010
Sonera Finland +358-405202000

France
SFR France +33-609001390
Bouygues France +33-660003000
Itineris France +33-689004000
Itineris France +33-689004431
Itineris France +33-68900458

Germany
D1 Germany +49-1710760000
D1 Germany +49-1715990000
D1 Talkline Germany +49-1710760900
D2 Germany +49-172227033
D2 Germany +49-1722270000 [to D2 only]
D2 Germany +49-1722270333
D2 Talkline Germany +49-1722270258
Debitel Germany +49-1722270222
IC3S Germany +49-1722270201
Dr Materna Germany +49-1722270111
E2 VIAG Germany +49-1760000443
E-Plus Germany +49-1770600000
E-Plus Germany +49-1770610000
E-Plus Germany +49-1770620000

Gibraltar
ANYONE HAVE THIS NUMBER?

Greece
Panafon Greece +30-94219000
Telestet Greece +30-93599000
Telestet Greece +30-93597000
Cosmote Greece +30-97100000

Holland
Libertel Netherlands +31-6540881000
PTT Netherlands +31-653131313
Telfort Netherlands +31-626000230
BEN Netherlands: +31-624000000
Dutchtone, Netherlands: +31628500561

Hong Kong
Hutchinson Hong Kong +852-94985795
HK Telecom Hong Kong +852-90288000
Smartone Hong Kong +852-90100000
Hong Kong +85292040032

Hungary
Pannon Hungary +36-209300099
Westel900 +36-30-9888-000
Vodafone +36709996500

Iceland
Landssimi Islands hf +354-8900100
Tal +354-6999099

Ireland
Eircell Ireland +35387699989
Esat Ireland +353-868002000

India [+91 - ]

Airtel Karnataka - +919845087001
BPL Mobile India +91-9821000005
MAXtouch India +91-9820005446
Essar Cellphone +91-9811009998
Tata Idea AP +919848001104
Command +919830099990
AirTel Delhi +91-98100-51914
Skycell Cellular +919840011003
Spice Karnataka +919844198441
Spicell +919831029222
Usha Martin Telekom ltd +919830099990
Airtel Andhra Pradesh +919849087001
RPG +919841044446
Airtel Karnataka +919845087001
Escotel Kerala +919847099996
Escotel UP +919837099995
Escotel Haryana +919812099995
Aircel +919842201155
Orange +919820005444
Idea Maharashtra +919822078000 +919822178000
Idea Chattisgarh +919826012311
BPL Tamil Nadu +919843000040
BPL Kerala +919846000040
Hutch AP +919885005444
Airtel Kerala +9198950 51914

Indonesia
Satelindo Indonesia +62-81615
Satelindo : +62 816 124
Satelindo : +62 816 125
Satelindo : +62 816 126
Satelindo : +62 816 127
Satelindo : +62 816 128
Telkomsel Indonesia is +62-81100000
Exelcomindo Indonesia +62-818445009

Isle of Man
Pronto GSM +447624499955

Israel
Orange Israel +972-54-120032
Pele - ANYONE HAVE THIS NUMBER?

Italy
Omni Italy +39-3492000200
Omni Italy +39-3492000300
Omni Italy +39-3492000400
Omni Italy +39-3492000500
TIM Italy +39-3359609600
TIM Italy +39-3359608000
TIM Italy +39-338960960
TIM Italy +39-338980000
Wind Italy +39-3205858500

Kenya
Safaricom +25472500010
Kencell +254733000810

Kuwait
MTC +96596000303
Al-Wataniya +9656373717

Latvia
LMT Latvia +371-9202020
Baltcom GSM +371 9599994

Lebanon
FTML Cellis +61-3488888

Lesotho
Vodacom Lesotho [+266]

Lithuania
Bite GSM Lithuania +370-9950115
Omnitel Lithuania +370-9899992

Luxembourg
PTT Luxembourg +352-021100003
Tango Luxembourg +352-091000030

Macau
Macau CTM +85366
Macau CTM +85368

Macedonia
MobiMak [389 - 70]
+389 70 000501

Malaysia
ADAM Malaysia +60-173600010
Celcom Malaysia +60-193900000
Mutiara Malaysia +60-162999000
Maxis Malaysia +60-120000015

Malta
Vodafone +356-941816
goMobile +35679700003

Mauritius
EMTEL +230 7290999
cellplus +230 2500005

Mongolia
MobiCom +97699000030

Montenegro
Pro monte +38169200000
Monet +38167100100

Morocco
Maroc Telecom +212 61 00 00 21
Maroc Telecom +212 61 00 00 22
Maroc Telecom +212 61 00 00 23
Meditel +2123992000

Namibia
MTC [+264 - 81]

New Zealand
Vodafone New Zealand +64-21600600

Nigeria

Econet wireless +2348020000009
Mtn nigeria - +234803000000

Norway
NetCom Norway +47-92001000
NetCom Norway +47-9208977
TeleNor Norway +47-90002100
TeleNor Norway +47-90007777
Sense Mobil +47 90002100

PAKISTAN
Mobilink +92300000042

Portugal
Telecel is +351-911616161
TMN Portugal +351-936210000
OPTIMUS +35193121314

Philippines
Globe Philippines +63-91702
Globe Philippines +63-91703
Globe Philippines +63-91704
Globe Philippines +63-91709
Islacom Philippines +63-9150200003
Smart Philippines +63-9180000101

Poland
Era GSM Poland +48-602951111
Era GSM Poland +48-602951112
Polkomtel Poland +48-601000310
Polkomtel Poland +48-601000311
IDEA Centertel Poland +48-501200777

Qatar
QATARNET +974 5589955

Reunion
Reunion +33609001390

Romania
Connex Romania +40-92004000
Dialog Romania +40-94946000
Cosmorom (1800 MHz)

Russia
North West Russia +7-8129600096
MTS Russia +7-0957699100
BeeLine +7-90173100

Rwanda
+25008110333

Saudiarabia
Sauditel +966 5 503 1999

Serbia
MobTel +38163100100
MobTel +38163100200
MobTel +38163100300
MobTel +38163100400
MobTel +38163100300
PTT Telekom Serbia +381-650000900
PTT Telekom Serbia +381-640000900

Seychelles
Airtel: +248700000

Singapore
Mobile One Singapore +65-96845999
Mobile One Singapore +65-96845997
SingTel Singapore +65-96400001
SingTel Singapore +65-96500001
SingTel Singapore +65-98189999
SingTel Singapore +65-96197777
Starhub +6598540020

Slovakia
Eurotel Slovakia +421-903333000
Globtel Slovakia +421-905303303

Slovenia
Mobitel Slovenia +386-41001333
Si.Mobil Slovenia +386-40441000

South Africa
MTN +27-831000002
MTN (Prepaid) +27-831000113
Vodacom South Africa +27-829119
Vodacom South Africa +27-829129

Spain
Telefonica Spain +34-609090909
Airtel Spain +34-607133000
Airtel Spain +34-607003110
Amena Spain +34-656000311

Srilanka

Dialog GSM +9477000003
Celltel Infinity +9472000004

Sweden
Comviq Sweden +46-707990001
Comviq Sweden +46-707990002
Comviq Sweden +46-707990003
Comviq Sweden +46-707773078
Europolitan Sweden +46-708000708
Telia Sweden +46-705008999

Switzerland [+41-79]
Swisscom Switzerland +41-794999000
diAX Switzerland +41-765980000
Orange +41-787777070

Tanzania
Tritel +255812904000

Taiwan
Chung Wa Tele Taiwan +886-932400821

AKTEL +88018010004

Thailand
AIS Thailand +66-18110888
WP1800 Thailand +66-16110400

Turkey
Turkcell Turkey +90-5329010000
Turkcell Turkey +90-5329020000
Turkcell Turkey +905329030000
Turkcell Turkey +90-5329040000
Telsim Turkey +90-5429800033

Ukraine
UMC +38050000501
Kyivstar +380672021111
Golden Telecom +380444990000
(number@sms.gt.kiev.ua)
Wellcome +38044 251 7777

United Arab Emirates
PTT UAE +97150 6014994

United Kingdom
Isle of Man Pronto GSM +447624499955
Vodafone UK +44-7785016005
CellNet UK +44-7802000332
Virgin Mobile UK +447958879890
Orange UK +44-7973100973
Orange UK +44-7973100974 internal
One2One UK +44-7958879879
Guernsey Telecoms [+44-4481/7781]
Jersey +44-7781

USA
Aerial Comms USA +1-8132630025
Aerial Comms USA +1-2812350025
Voicestream USA +1-2063130004
Pacific Bell USA +1-2099042010
Pacific Bell USA +1-2099042020
Pacific Bell +1-2099042030.
Powertel USA +1-3343338200
DigiPH PCS USA +1-3342090307
Omnipoint USA +1-9179070004
Sprint USA +1-7044100000
Washington PCS USA +1-410258953

Venezuela
Digitel +58-12-8000000
INFONET

V
Infonet (Venezuela)
Digitel (Venezuela)
Mobilfone Vietnam +84 90700000
Vinaphone Vietnam +84 91020005
Vinaphone Vietnam +84 91020010

Yugolsavia
MobTel +381-63-100400
MobTel +381-63100300
MobTel +381-63100200
MobTel +381-63100100
MobTel +3816310030034
MobTel +3816310040034
PTT Telekom Serbia +381-650000900

Zimbabwe
Econet Wireless +263-91010030
zimbabwe net*one +26311191201