I personally use Walkie Talkie for the team chat option, best thing EVER.
For reference:
DEFAULT
A - Jump
B - Melee Attack
X - Use Equipment
Y - Swap Weapons
Left Analog - Movement
Left Analog Click - Crouch
Right Analog Click - Zoom View
Right Analog - Aiming
Right Trigger - Use Right Weapon
Left Trigger - Use Left Weapon/Throw Grenade
Up on Directional Pad - Team Chat
Right Bumper - Action/Reload Right Weapon
Left Bumper - Reload/Swap Left Weapon
SOUTHPAW
A - Jump
B - Melee Attack
X - Use Equipment
Y - Swap Weapons
Left Analog Click - Crouch
Right Analog Click - Zoom View
Right Trigger - Use Left Weapon
Left Trigger - Use Right Weapon
Up on Directional Pad - Team Chat
Right Bumper - Action/Reload Right Weapon
Left Bumper - Reload/Swap Left Weapon
BOXER
A - Jump
B - Throw Grenade
X - Use Equipment
Y - Swap Weapons
Left Analog Click - Crouch
Right Analog Click - Zoom View
Right Trigger - Use Right Weapon
Left Trigger - Melee/Use Left Weapon
Up on Directional Pad - Team Chat
Right Bumper - Action/Reload Right Weapon
Left Bumper - Reload/Swap Left Weapon
GREEN THUMB
A - Jump
B - Zoom View
X - Use Equipment
Y - Swap Weapons
Left Analog Click - Crouch
Right Analog Click - Melee Attack
Right Trigger - Use Right Weapon
Left Trigger - Use Left Weapon
Up on Directional Pad - Team Chat
Right Bumper - Action/Reload Right Weapon
Left Bumper - Reload/Swap Left Weapon
BUMPER JUMPER
A - Reload/Swap Left Weapon/change grenade type
B - Action/Reload Right Weapon
X - Use Equipment
Y - Swap Weapons
Left Analog Click - Crouch
Right Analog Click - Zoom View
Right Trigger - Use Right Weapon
Left Trigger - Use Left Weapon
Up on Directional Pad - Team Chat
Right Bumper - Melee Attack
Left Bumper - Jump
WALKIE TALKIE
A - Jump
B - Action/Reload Right Weapon
X - Reload/Swap Left Weapon
Y - Swap Weapons
Left Analog Click - Crouch
Right Analog Click - Zoom View
Right Trigger - Use Right Weapon
Left Trigger - Use Left Weapon
Up on Directional Pad - Use Equipment
Right Bumper - Melee Attack
Left Bumper - Team Chat