In order to send/receive MMS on your mobile phone, please refer to the below configuration:
For MMS Setting/Configuration:
Profile Name: movistar mms
Home page: http: / / mms.movistar.com.ve: 8088/mms
Service type 1: http
Gateway ip 1: 200,035,064,073
Port 1: 9001
Domain 1: leave it blank
Service type 2: http
Gateway ip 2: 000.000.000.000
Port 2: 0
Domain 2: leave it blank
Dns 1: 000.000.000.000
Dns 2: 000.000.000.000
Expiration time: [...]

WebI
If you’re looking for a MMS setting and configuration, refer below:

Web (Basic function of your browser and connection to the data network):
APN: int.movilnet.com.ve (login and pasword blank)
MMS Settings:
APN: mm.movilnet.com.ve
IP and DNS: none
Use proxy: yes:
Proxy Address: 192,168,016,012;
Port Number: 8080
The multimedia server address is:
http://mm2.movilnet.com.ve/servlets/mms
WAP:
APN: app.movilnet.com.ve
IP address and DNS: nothing
PAP Authentication
Use proxy: yes
Proxy Address: 192,168,201,170 [...]

CANTV, Venezuela – www.cantv.com.ve

www.cantv.net
cantv.com.ve/chat

Quote from Wikipedia:
Compañía Anónima Nacional de Teléfonos de Venezuela (CANTV) was one of the first telephone service enterprises in Venezuela, founded in 1930. The company was re-nationalized in 2007.
As of December 31, 2006, Cantv’s customer base numbered 8 million mobile subscribers, 3.4 million fixed telephony subscribers and 467,000 broadband subscribers.