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6 TELEPHONY
E-DOC-CTC-20100728-0008 v2.0
6.1.2 Connection to the Traditional Telephone Network
Combining VoIP with the traditional telephone network
Some service providers use the traditional telephone network (PSTN) as a backup solution for your VoIP connection. This
way, you can still make calls over the traditional network if the VoIP service is down (for example, your Technicolor Gateway
is powered off).
Be aware that, if you are not connected to the traditional telephone network, emergency calls will not be possible
when your Internet connection is down or your Technicolor Gateway is powered off.
Applicability
If your Technicolor Gateway:
Has an integrated filter, no additional connections are needed.
The DSL port must be directly connected to your telephone
outlet. Do not put any filter or splitter between them!
How do I know if my Technicolor Gateway has an integrated filter?
Check if the product name printed on the label of your Technicolor Gateway ends with “wIF” (with
Integrated Filter). If this suffix is not present, then your Technicolor Gateway does not have an integrated
filter.
Does not have an integrated filter, check if your Technicolor Gateway has a PSTN port on the back panel (for more
information, see “PSTN Port (optional)” on page 13). If your Technicolor Gateway has:
A PSTN port:
Connect the PS
TN port to the Phone output of your filter or splitter.
No PSTN port, no connections are needed.
This is a VoIP-only variant. All calls passing through
the Technicolor Gateway will be done via VoIP.
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