User`s manual

MP-1xx H.323
MP-1xx H.323 User’s Manual 156 Document #: LTRT-65104
• After holding a call (by pressing hook-flash) the holding party hears dial tone and can now
initiate a new call which is called a consultation call.
• At the stage of hearing dial tone or dialing to the new destination (before completing the
dialing) the user can retrieve the held call by pressing hook-flash.
• The held call can’t be retrieved while hearing Ringback tone.
• After the consultation call is connected, the user can switch between the held and active call
by pressing the hook-flash.
8.5.3 Call Transfer
There are two types of call transfers:
• Consultation Transfer
• Blind Transfer
The common way to perform a consultation transfer is as follows:
In the transfer scenario there are three parties:
Party A = transferring, Party B = transferred, Party C = transferred to.
1. A Calls B.
2. B answers.
3. A presses the hook-flash and puts B on-hold (party B hears a hold tone)
4. A dials C.
5. After A completed dialing C, he can perform the transfer by onhook the A phone.
6. After the transfer is completed B and C parties are engaged in a call.
The transfer can be initiated at any of the following stages of the call between A to C:
a. Just after completing dialing C phone number - Transfer from setup.
b. While hearing Ringback – Transfer from alert.
c. While speaking to C – Transfer from active.
Blind transfer is performed after we have a call between A and B, and A party decides to transfer
the call to C immediately without speaking with C.
The result of the transfer is a call between B and C (just like consultation transfer only skipping
the consultation stage).
MP-1xx gateways can’t initiate a blind transfer but they can participate in such transfer as B and
C parties.
8.5.4 Call Forward
Five forms of forwarding calls are available:
1. Immediate - Any incoming call is forwarded immediately and unconditionally.
2. Busy - Incoming call is forwarded if the endpoint is busy.
3. No reply -The incoming call is forwarded if it isn't answered for a specified time.
4. On busy or No reply - Forward incoming calls when the port is busy or when calls are not
answered after a configurable period of time.
5. Do Not Disturb - Immediately reject incoming calls.
Three forms of forwarding calls are available: