2N VoiceBlue Next v3.3 User Manual
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permitted with the active “Follow me” function. Subscriber B does not answer the call
in the VoIP network and so the call is rerouted to its mobile telephone.
“SMS at no answer” function
In the case of a missed call in the VoIP network, the Mobility Extension provides
sending of an information text announcement. This function is called “SMS at no
answer”. Like with call forwarding, it is possible to use the DTMF option to activate and
deactivate the service of sending text announcements for missed calls.
Figure 2: SMS at No Answer Function
Fig. 2 shows sending of information texts if an incoming call is not answered.
Subscriber A calls subscriber B, for whom the Mobility Extension has been permitted
with activated “Follow me” and “SMS at no answer” services. Subscriber B does not
answer the call in the VoIP network and so the call is rerouted to its mobile telephone.
Subscriber B does not answer the mobile phone call and is sent a text announcing that
the call from subscriber A has been missed.
Call forwarding function
In addition to rerouting calls in the event of absence, the Mobility Extension allows calls
to be forwarded within a VoIP network, which brings the services of the SIP Proxy to
a mobile telephone. The description of this function is shown in Fig. 3.
Figure 3: Call Forwarding Function