Outcalling not working

The calling code is only for out call only.
the country you recieve the call has its oun code also.
so when you recieve a call you get no country code at all because your country code could be different.
example is to call philippines you use code 63 to call out,but someone in philippines need to enter011to call USA country code is for outcalls only,Gary

Check your mute button.

reading the user instructions you will see that the phone has to be charged for 6 hours before use

1. Pick up the receiver on your work phone and wait to hear a dial tone.
   
2. Dial *72 on your work extension phone keypad. You may hear a series of four beeps that indicates the system is ready for you to enter the phone number to which your calls will be forwarded.
   
3. Enter your cell phone number including the area code on the keypad of your work extension phone.
   
4. Hang up the receiver on your work phone.
   
5. Test the call forwarding by dialing your work extension phone from another phone. Your cell phone should ring. If it does not ring , repeat Steps 1 through 4.
   

Read more: How to Forward Calls From My Work Extension to a Cell Phone ' eHow.com http://www.ehow.com/how_6239419_forward-work-extension-cell-phone.html#ixzz16L3AMu3K

Has the phone gotten wet at all? Anything at all - using it in the rain, having it in the bathroom whilst having a bath or shower, anything like that?

Sounds like something physical has gone wrong somewhere! If it's still under warranty see if you can get it repaired/replaced under warranty.

i know ALOT of cheats for grand theif auto 4 for the 360 here they are :

Full health and armor Dial "3625550100" on the cell phone. If you enter this code while in a vehicle, it will also repair it. Note: This phone number translates to "DOC-555-0100". This code prevents the "Cleaned The Mean Streets", "Finish Him", "One Man Army", and "Walk Free" achievements from being earned.
Full health, armor, and ammunition Dial "4825550100" on the cell phone. If you enter this code while in a vehicle, it will also repair it. Note: This phone number translates to "GTA-555-0100". This code prevents the "Cleaned The Mean Streets" achievement from being earned.
Weapons tier 1 Dial "4865550100" on the cell phone. This will unlock the baseball bat, handgun, shotgun, MP5, M4, sniper rifle, RPG, and grenades. Note: This phone number translates to "GUN-555-0150". This code prevents the "Cleaned The Mean Streets" achievement from being earned.
Weapons tier 2 Dial "4865550150" on the cell phone. This will unlock the knife, Molotov cocktails, handgun, shotgun, Uzi, AK47, sniper rifle, and RPG. Note: This phone number translates to "GUN-555-0100". This code prevents the "Cleaned The Mean Streets" achievement from being earned.
Remove Niko's wanted level Dial "2675550100" on the cell phone. Note: This phone number translates to "COP-555-0100". This code prevents the "One Man Army" and "Walk Free" achievements from being earned.
Add one star to Niko's wanted level Dial "2675550150" on the cell phone. Note: This phone number translates to "COP-555-0150".
Spawn Annihilator police helicopter Dial "3595550100" on the cell phone. The Annihilator is armed with rockets. Note: This phone number translates to "FLY-555-0100". This code prevents the "One Man Army" and "Walk Free" achievements from being earned.
Spawn Cognoscenti Dial "2275550142" on the cell phone. Note: This phone number translates to "CAR-555-0142".
Spawn Comet Dial "2275550175" on the cell phone. Note: This phone number translates to "CAR-555-0175".
Spawn FBI Buffalo Dial "2275550100" on the cell phone. Note: This phone number translates to "CAR-555-0100".
Spawn Jetmax Dial "9385550100" on the cell phone. Note: This phone number translates to "WET-555-0100".
Spawn NRG-900 Dial "6255550100" on the cell phone. Note: This phone number translates to "MBK-555-0100".
Spawn Sanchez Dial "6255550150" on the cell phone. Note: This phone number translates to "MBK-555-0150".
Spawn SuperGT Dial "2275550168" on the cell phone. Note: This phone number translates to "CAR-555-0168".
Spawn Turismo Dial "2275550147" on the cell phone. Note: This phone number translates to "CAR-555-0147".
Change weather and brightness Dial "4685550100" on the cell phone. Note: This phone number translates to "HOT-555-0100".

The following codes require "The Lost And Damned" bonus downloadable content:

Spawn Burrito Dial "8265550150" on the cell phone.
Spawn Double T bike Dial "2455550125" on the cell phone.
Spawn Hakuchou bike Dial "2455550199" on the cell phone.
Spawn Hexer bike Dial "2455550150" on the cell phone.
Spawn Innovation bike Dial "2455550100" on the cell phone.
Spawn Slamvan Dial "8265550100" on the cell phone.

holding the # 1 key should get you to you speed dial if not try dialing that cell phones number. both of thous usually work. hope this helps :)

This phone doesn't have voice dial-up unfortunately.

when you inititate an outcall or you receive an incall,after picking up,use the cursor navigator and press it to the right for high and left for low.

HI HAROON

YOU SHOULD FORMAT YOUR MEMORY CARD AND CELL PHONE MEMORY AND TRY AGAIN.IF THE PROBLEM PERSIST THAN GET FLASH YOUR CELL PHONE.

DO LET ME KNOW WHICH GSM NETWORK YOU ARE USING AND YOUR CITY/AREA LOCATION.