User manual

Screen Shot 12.2.2-5
5. STUN allows setup for some SIP service providers. Enabling this
setting can solve some known NAT transport issues. Comply with
the information offered by the service provider as standard.
6. Select Done when all information has been entered.
To use the SIP phone function, press # from the Home screen, then
enter another SIP number of a mobile phone, or a telephone number
covered by the wireless network. In this scenario, a SIM Card is not
needed to support the originating call.
This device supports up to 16 profiles, but requires one profile to be set as the default for registration. To
use a different profile, you must set it as the default first.
Screen Shot 12.2.3
12.2.3 SIP phone scenarios
To use Scenarios, you must configure the Wireless LAN settings and
set up SIP account first. This associates the WLAN with the SIP phone
so that once your device enters a WLAN environment it will trigger the
associated SIP phone registration in order to use these features.