Zyxel-communications Omni TA128 Manual do Utilizador descarregar pdf (Página 79)

CONNECT (Dialing is complete)

Now, just pick up the phone handset and wait for the remote

device to answer.

Use ATDAs (ATDBs) to place a call from analog adapter 1 (analog

adapter 2)

Once the analog adapter's hook sensor detects that the telephone

device’s handset is off hook, it sends a SETUP message to the

ISDN central exchange to request a connection. One B channel, if

available, will be assigned to this connection and the exchange will

wait for the dialed number to route the call. At the same time, a dial

tone is presented to the adapter port to prompt the user to dial.

Both tone and pulse dialing are accepted.

A busy tone will be heard on the handset if:

• A B channel is unavailable.

• The dialed number is undeliverable.

• The called party is busy.

• This indicates the failure of the attempt to connect. To place

another call, hang up the phone, then pick up and try again. If

the called party is being alerted, a ring-back tone will be heard.

Accepting an Incoming Call

Voice calls will be sent to one or both of the POTS ports (Phone 1

and Phone 2) when they are received. You can choose the POTS

port you want to receive calls by setting the MSN (AT&ZIn=s, as

described in the previous table) to a specific phone number, “s”.

Sometimes the TA is not able to tell which POTS port to route the

incoming voice call. By default (ATS120.2=0), the TA will alert

both ports and the first available port will answer. Otherwise

(ATS120.2=1), an ambiguity resolution bit (Bit 5 of S84, or &Ln)

is used to determine the path.

1 2 ... 74 75 76 77 78 79 80 81 82 83 84 ... 172 173

Sem comentários

Zyxel-communications Omni TA128 Manual do Utilizador Página 79