Feature Phone; The Flash Key - ZyXEL Communications omni TA128 User Manual

AT Commands
ATS87.1=1

Feature Phone

The TA 128 supports ZyXEL's powerful and advanced feature
phone operation. By connecting to the TA 128's POTS ports, you
can get the benefits of analog phone services, plus additional
features over your ISDN line.

The Flash key

All feature phone operations start from the Flash key. Commands
for feature phone operation are listed in the table below:
Commands
Press the Flash key. 1. Hold/Release.
Press the Flash key
and 0 (call waiting).
Press the Flash key
and 2 (Intercom and
Call Transfer).
Press the Flash key
and 3 (Three-way
conference)
Press the Flash key
and 5 (Call Reject).
Description
calls.(Default)
Disable POTS port 2 to accept global calls.
Description
2. Cancel the second dial connection attempt
1. Answer the incoming call and place the
existing call on hold.
2. Switch back and forth between the two
calls; either two remote calls or one remote
call and one local call.
3. Place a call on hold to place a second call.
1. Dial to another local phone.
2. Transfer the call to another local phone.
Create three-way conference connection in
Mixing mode (1 remote party and 2 local
parties or 2 remote parties and 1 local party).
1.Reject the second incoming call.
2.Disconnect the current phone connection.
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