Panasonic Voice Processing System
Product Description
8
DRAFT ISSUE E & O E
Types of Connection
Connection without voicemail integration
Connection to a direct exchange line.
Connection directly to a telephone line provides the least level of functionality. Both callers and mailbox users must have
telephones capable of dialling in tone. When the number of the voicemail is rung it will answer and prompt the caller to dial
the mailbox where they wish to leave a message. The mailbox owner can then call the voicemail at regular intervals to find
out whether they have received any messages.
Connection to a basic telephone system.
Basic telephone systems provide slightly more benefit that a direct connection to line. Again the callers and mailbox owners
must have tone telephones. If the voice processing system is to be connected to a telephone system where some or all of the
other extensions are proprietary telephones the telephone system must be capable of generating DTMF tones internally - not
all are! Just like the direct exchange line example the voicemail must be rung both to leave a message and to retrieve
messages. The one benefit for extension users is that their calls to the voicemail are free.
Connection to a telephone system accepting timed break recall
If the telephone system is capable of accepting timed break recall signals then the voice processing system can not only
provide a basic level of voicemail operation but can also operate as an automated attendant (see Automated Attendant
operation later in this guide for full details). Automated attendant allows a caller to gain access to the extension they require
by entering the extension number when prompted to do so by the voice processing system.
Connection with integration
Telephone systems providing “follow on ID”
When a telephone is set to call forward to voicemail the telephone system automatically dials the extension user’s mailbox
number. When a caller makes a call to the extension on divert the call is re-routed to voicemail and the extension user’s
personal greeting is heard. To the person calling it seems as though their call has been answered by a personal answering
machine.
Telephone systems providing “in band” signalling.
In the previous examples the voice processing system must detect and recognise all system generated tones. When the
telephone system provides “in band” signalling the tones are pre-fixed with a DTMF digit string. The voicemail can detect the
DTMF tones and react immediately. This dramatically increases the speed with which the voicemail operates and it’s ability
to react correctly.
For example when the caller is transferred using the automated attendant feature the voice processing system listens to the
ringing tone. Ringing tone is presented in bursts therefore the voice processing system must wait until ringing has stopped for
longer than the silence between bursts to ensure that the call has been answered before connecting the caller. When in-band
signalling is used the DTMF digit indicates that the call has been answered and the caller can be connected straight away.
Digital Integration (KX-TD Series only)
The signalling between telephone system and voicemail is carried out completely digitally this not only speeds up the
operation of the voice processing system beyond the performance associated with “in band” signalling but also provides
additional functionality: Two way recording, live call screening and fast set-up.