APN:  wap (or) web
Username: Blank
Password: Blank

Username: blank
Password: blank
MMSC: http://mms.etisalat.lk:8085
MMS Proxy: 192.168.104.4:9401
MMS Message Size: 307200
MMS UA Prof URL: Blank

2. Etisalat Sri Lanka APN Settings for Android / HTC / Galaxy:

Go to Menu -> Settings -> Wireless & networks-> Mobile networks -> Access Point Names -> New APN and enter the following details

Name : Etisalat
APN : wap (or) web
Proxy : 192.168.104.4
Port : 9401
Username :  Not Set
Password :  Not Set
Server :  Not Set
MMSC : http://mms.etisalat.lk:8085
MMS Proxy : 192.168.104.4
MMS Port : 9401
MCC : 413
MNC : 003
Authentication type :  Not Set
APN Type : default, supl, mms
APN protocol: Ipv4
APN roaming protocol: Ipv4

3. Internet Settings for Nokia Lumia / Windows Phone7, 8:

Go to Settings -> Access Point -> Add a New Profile, and enter the following details

Connection Name: Internet
Internet APN:
Access Point Name:  wap (or) web
Username: blank
Password: blank
Proxy address: blank
Proxy port: blank
Network type : IPv4
Authentication Type: none
MMS APN:
MMS Access Point Name:  mms
Username: blank
Password: blank
Proxy address: 192.168.104.4
Proxy Port :9401
MMSC:  http://mms.etisalat.lk:8085
Network type : IPv4
Authentication Type: none
and save the settings and activate the newly added profile

4. Blackberry APN:

Go to Settings -> Network Connections -> Mobile Network ->APN

Access Point Name (APN) :  wap (or) web
Username : Blank
Password : Blank