Manual

342N TELEKOMUNIKACE a.s., www.2n.cz
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Fig. 1 shows routing of calls in the case of absence of a subscriber in the VoIP network.
Subscriber A calls subscriber B, for whom the function has2N Mobility Extension
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been 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 provide2N Mobility Extension
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s 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 has been2N Mobility Extension
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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 allo2N Mobility Extension
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ws 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.