How to make long - Distance calls
* To provinces and cities within Vietnam:
- 0 + Area code + Tel. Number or
- 171 (177, 178) + 0 + Area code + Tel. Number (economic call)
* To other countries:
- 00 + Country code + Area code + Tel. number
- 171 (177, 178) + 00 + Country code + Area code + Tel. number (economic call) or
- 171 + 1 + Waiting for connective tone + Country code + Area code + Tel. number
Multi - frequency service:
Multi-frequency Service allows the subscriber to connect quickly and more conveniently.
Speed dialing service:
Dialing Service allows the subscriber to dial more efficiently by
substituting for 2 digits, for the entire telephone number
Data transmission service
Data Transmission Service allows data transmission of the following types:
- PC to PC.
- PC to computer network.
- Computer network to computer network.
- PC or computer network to database site.
A point-to-point line of the following types may be leased:
- Long distance
- Radio and Television
- Data transmission
Public Telephone agents
Telephone with operator service at post offices, post agents, public telephone agentsÃ¢â‚¬Â¦
Collect call service
Collect call: Allows the subscriber in Vietnam to make a telephone call
to Australia, Canada, Denmark, England, France, Japan, New Zealand,
Switzerland, and the USA. The charge will be billed to the receiver
instead of caller.
* Access collect: Allows subscribers to make
international calls to USA from home telephones, post offices,
card-phone telephones of card-phone Vietnam System.
- Access code: 120. 12345.
- Charge of the call will be paid by receiver of the call
Service charge: Customer using telephone of card-phone Vietnam system
will pay service charge of 500d/each call (including unsuccessful call).
(Voice Over Internet Protocol) is telephone service applications based
on internet through telephone network. Example: 171, 1717 calling
1717 is prepaid VoIP telephone service, using VoIP
technology, provides domestic and international long-distance calls.
Service code is 1717. Customers Ã¢â‚¬â€œ who want to use Ã¢â‚¬Å“1717 callsÃ¢â‚¬Â
service must buy 1717 card.
Additional telephone services
Forwarding Service allows the subscriber to forward all incoming calls to any other previously chosen telephone number.
Caller identifying service
Caller Identifying Service allows the subscriber to identify the telephone number of an incoming calls through switchboard 500.
Conference calling service
Conference Calling Service allows the subscriber to connect with two other subscribers at the same time.
Automatic alarm service
Automatic Alarm Service allows the subscriber to program the telephone to ring at a previously chosen time.
Absentee messaging service
Absentee Calling Service allows the subscriber to inform callers of his absence.
Call waiting service
Waiting Service allows the subscriber to know about another call while
he is on the line. The subscriber can keep the current call to receive
the new one and then turn to the previous call. Hotline service
Hotline Service allows one subscriber to be automatically connected to another subscriber without having to dial.
Polarity revert signal service
Revert Signal Service allows the subscriber to immediately know the fee
of each call through fee-calculating equipment connected to the
Calling only or receiving only telephones
Telephones made specifically to only receive or call, not both.
Restricted telephone service
Telephone Service allows the subscriber to prevent others from making
unwanted calls (for example: long distance calling).
Three forms of restriction:
- Private code restriction
- Automatic restriction
- Complete restriction
Consecutive dialing service
Dialing Service allows the subscriber to dial all telephone numbers in
a group consecutively by just dialing the main telephone number of that
group (used for PABX switchboard).
Information enquiry services
* Talking yellow pages (1081): Provides all information in Hanoi Telephone Directory and Yellow Pages and related information.
* Social and cultural information clearing up queries service (1080): Provides social and economic information.
Connecting customers to consultants (1088): Connecting Customers to
Consultants in the fields of healthcare, nutrition, drug preventive
measures, law, informatics, construction, tourism, estate trading,
education and training, intellectual property, love-marriage-family