Steps)
Create 2 APNs. The default being the one named "ATT PHONE", the other being "ATT MMS".
Step 1)
Create APN called "ATT MMS"
APN: wap.cingular.com
Proxy: wireless.cingular.com
Port: 80
Username: Not Set
Password: Not Set
Server: Not Set
MMSC: http://mmsc.cingular.com
MMS Proxy: wireless.cingular.com
MMS Port: 80
MCC: 310
MNC: 410
Auth Type: Not set
APN Type: mms,supl
APN Protocol: IPv4
APN roaming Protocol IPv4
Bearer: Unspecified
Step 2)
Create APN called "ATT PHONE"
APN: phone
Proxy: Not Set
Port: Not Set
Username: Not Set
Password: Not Set
Server: Not Set
MMSC: Not Set
MMS Proxy: Not Set
MMS Port: 80
MCC: 310
MNC: 410
Auth Type: Not set
APN Type: default,internet
APN Protocol: IPv4
APN roaming Protocol IPv4
Bearer: Unspecified
Step 3) Set "ATT PHONE" as default.
Create 2 APNs. The default being the one named "ATT PHONE", the other being "ATT MMS".
Step 1)
Create APN called "ATT MMS"
APN: wap.cingular.com
Proxy: wireless.cingular.com
Port: 80
Username: Not Set
Password: Not Set
Server: Not Set
MMSC: http://mmsc.cingular.com
MMS Proxy: wireless.cingular.com
MMS Port: 80
MCC: 310
MNC: 410
Auth Type: Not set
APN Type: mms,supl
APN Protocol: IPv4
APN roaming Protocol IPv4
Bearer: Unspecified
Step 2)
Create APN called "ATT PHONE"
APN: phone
Proxy: Not Set
Port: Not Set
Username: Not Set
Password: Not Set
Server: Not Set
MMSC: Not Set
MMS Proxy: Not Set
MMS Port: 80
MCC: 310
MNC: 410
Auth Type: Not set
APN Type: default,internet
APN Protocol: IPv4
APN roaming Protocol IPv4
Bearer: Unspecified
Step 3) Set "ATT PHONE" as default.
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