User`s guide

ADSL/VoIP Gateway User’s Guide
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Figure 94: VOIP Page
System Settings
2. Voip Functionality: Select SIP as VoIP protocol.
3. Select Region to define your country region. It is shown in
Figure 95
4. CidType (Caller Id Type) is chosen FSK or DMTF. This
option is defined by your VoIP telephony service provider.
5. DTMF Mode is chosen Inband or RFC2833.
6. Click apply to execute new values.