Some useful info for those who use China Telecom here and are into the geekier side of things
(text messages are case insensitive so don't worry about being exact)
Info via SMSPhone number 10086
Text GPRS
What does it do? SMS's back your GPRS info
Phone number 10086
Text YECX
What does it do? SMS's back your phone balance
Phone number 10086
Text HFCX
What does it do? Telephone enquiries
Phone number 10086
Text MMCX
What does it do? Password enquiries
Phone number 555
Text TQDZ
What does it do? Sends you weather updates every day (Costs 5rmb a month)
Phone number 10086
Text JFCX
What does it do? SMS's back your current points balance (points can be redeemed for prizes - wooo!)
Phone number 01727
Text KT
What does it do? Applies for POP3 Email account at Shanghai Telecom
(warning, currently costs +10rmb a month extra if you turn this on)
GPRS SettingsThere are 2 networks - cmnet for the internet. cmwap for a selection of sites.
Don't bother with cmwap unless you haven't turned on gprs... (its standard now on china telecom numbers)
CMNET
apn: cmnet
user: <leave blank>
pass: <leave blank>
CMWAP
apn: cmwap
user: <leave blank>
pass: <leave blank>
SMS Service Centre Number+8613800210500
IP PhoneUseful if you can't be bothered buying ip phone cards, and its just for occasional use
17951 + number
How to get your phone passwordGo to URL
http://211.136.173.230/webbill/jsp_mzone/sendPWD.jspPut in your phone number in the top box
Put in the numbers to the right in the bottom box
It will sms you your password. This is needed when you want to sign up for more services at Shanghai Telecom or via the SMS packages above.
Customer Service1861 / 10086 (free number)
You can get balance enquiries, telephone enquiries, password enquiries, billing information either automatically or via SMS (see up above for the secret settings for all that!)
More information is available in Chinese here
http://m-zone.sh.chinamobile.com/new/brand/2-wanquan05.html