orhhhh just found this 
Telecommunications
Telekom
The sole fixed-telephony company in Malaysia is Telekom Malaysia
Bhd., which also offers other services like cellular telephony,
Internet access and various multimedia services. Amongst the
fixed-telephony services offered are DDI (Direct Dialling In),
fixed telephone, Freephone 1-800 service, home country direct
service and international conference calls.
There are several key cellular-telephony companies operating in
Malaysia. These are:
Celcom (M) Bhd (using the 019 prefix)
DiGi Telecommunications Sdn Bhd (using the 016 prefix)
Maxis Communications Bhd (using the 012 prefix)
Telekom Cellular Sdn Bhd (wholly owned
by Telekom Malaysia and using the 013 prefix)
Value-added services offered by these operators include
international automatic roaming, international direct dialling
access (IDD), call forwarding, call waiting, caller identification,
short messaging service (SMS), GSM Internet access, prepaid mobile
services, and voice and data applications for small
businesses.
There are four major Internet Access Providers in Malaysia:
Jaring
TMNet
Maxis.net
Putra.net
Services offered by these ISPs include dial-up access, leased-line
access, Web hosting, domain-name registration, virtual servers,
virtual private networks (VPNs), e-commerce and electronic
publishing. As of 2002, there are approximately 5.7 million
Internet users in Malaysia.
source from http://allmalaysia.info/msiacommerce/infrastructure/telecom.asp
