Call forwarding from a landline to a mobile

You have the following situation:

The house is a home telephone. It sometimes
call when I'm not home, and call me. So I want to configure forwarding. Need to solve the following tasks:

1) To Pets could press a couple of buttons to transfer a call to me

2) To divert fire automatically when certain
conditions (e.g., no response for 15 seconds)

3) I could leave the house, turn on auto
forwarding, something like "I'm not home forwards from me

As the most simple way to implement this functionality? Maybe it's
will help: there are three 3G modem compatible with
Asterisk. But Asterisk the case, I would like to do VoIP gateway.
In General, the main criterion is that space that stuff would take
less, even if it will cost a little more expensive.
October 8th 19 at 01:39
3 answers
October 8th 19 at 01:41
and services Forwarding to your carrier no?
Is. But unfortunately, first, it is not, secondly, my statement forwarding is only possible to dial numbers — it is impossible to forward calls to a number starting with the digit 8 (e.g., Federal cell number). - Caterina74 commented on October 8th 19 at 01:44
October 8th 19 at 01:43
No Asterisk will not do. The functionality of the gateways to which you can throw your landline number is not particularly rich in possibilities, which are associated with routing calls.
October 8th 19 at 01:45
In my opinion it can Cisco spa3102 or your router with the function of a PBX such as audiocodes MP 252. Of course we need to check

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