There are three call WAiting types:
• to continue the conversation without receiving the new call
• to accept the second call, interrupting the ongoing conversation
• to talk to the two callers in sequence

to continue the conversation without receiving the new call
After the second ring tone of the second call
for key telephones: press shortly the "Flash" button, then dial 0
for rotary dial telephones: press shortly the turn off lever/bar and dial 0
In the event the person making the second call hears a signal, showing that the line is busy.
to accept the second call, interrupting the ongoing conversation
After the second ring tone of the second call
for key telephones: press shortly the "Flash" button, then dial 1
for rotary dial telephones: press shortly the turn off lever/bar and dial 1
In the event the second call is connected, and the previous conversation is interrupted.
To talk to the two callers in sequence
After the second ring tone of the second call
for key telephones: press shortly the "Flash" button, then dial 2
for rotary dial telephones: press shortly the turn off lever/bar and dial 0
To pass from one caller to the other, please press the "Flash" button and dial 2.
In the event of finishing the conversation with one of the subscribers, please press the "Flash" button, then press 1 and continue talking with both subscribers.

You can choose the directions you WAnt to block for calling. Here are 6 available options.

1. 01-blocks international outgoing calls (00) and value added services (090)
2. 02-blocks international outgoing calls to Georgia, to Commonwealth of Independent States (CIS), Baltic States, blocks calls to value added services (090) and outgoing calls made by ‘’Armenians’ world’’ service (*88*,88)
3. 03-blocks international outgoing calls, outgoing calls to Georgia, to Commonwealth of Independent States (CIS), Baltic States, and outgoing calls made by ‘’Armenians’ World’’ service (*88*,88), other fixed (01, 02, 03, 060, 047), and mobile networks of RA and Nagorno-Karabakh (Vivacell Orange, K-Telecom), ‘’Dial-up Internet Beeline’’ (8888), blocks outgoing calls with value added services (090)
4. 04- blocks international outgoing calls, calls to Commonwealth of Independent States (CIS), blocks value added services (090) and outgoing calls made by ‘’Hayeri ashkharh’’ service (88,88), blocks other fixed and mobile networks of RA and Nagorno-Karabakh, ‘’Dial-up Internet Beeline’’ (8888) and outgoing calls with value added services (090).
5. 05-blocks outgoing calls in general excluding calls made to special numbers
6. 06-lets the fixed line subscribers, (except for ones of Gyumri, Stepanavan and Akhuryan cities, Vayk, Goris village subscribers and CDMA subscribers), make calls to fixed networks of RA and Nagorno-Karabakh (010, 011, 02, 03, 047, 060xx) and blocks outgoing calls to other directions (outgoing international calls (00, *88*, 88), blocks outgoing calls to mobile networks of RA and Nagorno-Karabakh, ‘’Dial-up Internet Beeline’’ (8888) and calls to value added services (090).

The one-time fee for a new telephone line installation is 2400 AMD.