Appendix A Voice communications
There are several ways to make calls to desired destination in IP Phone. In this section, we’ll lead you
step by step to establish your first voice communication via keypad and web browsers operations.
Case 1: Voice communication via SIP proxy server SIP-50
Number: 100
Number: 200
VIP-255PT-A
LAN IP Address
VIP-255PT-B
LAN IP Address
(192.168.0.2)
(192.168.0.1)
SIP-50
WAN IP Address
(192.168.0.50)
Figure 26.. Installation example with SIP-50
Machine configuration on the VIP-255PT:
STEP 1:
Log in SIP-50 and create two testing accounts/password:
100
/
123
(for VIP-255PT-A), and
200
/
123
(for VIP-255PT-B) for the voice calls.
STEP 2:
Please log in VIP-255PT-A via web browser, browse to the
Account setting
menu and. In
the setting page, please insert the account/password information obtained from your service
provider (in this sample, we’re using PLANET SIP-50 as the SIP Proxy server for SIP
account, call authentications), and then the sample configuration screen is shown below:
Figure 27. Web page of VIP-255PT
STEP 3:
Then browse to the
Server setting
menu and. In the setting page, please insert the SIP-50
IP address information obtained from your service provider
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