Figure 19: Sip Trunk Service Configuration - Call - Grandstream Networks IPVT10 Administration Manual

3. Users could select using which IP address of the IPVT10 server (internal network/external network)
to call the third-party platform.
4. Input the dialing prefix, and it is used to recognize the accounts in the 3rd party platform. The
special characters (e.g. + * #) are necessary. For example, the account in the 3rd party platform is
+86 88888, and the +86 is the dialing prefix. The call will be made to the target server including the
prefix.
Note: Users could check the option "Remove the prefix before dialing", in order to remove the prefix
when dialing to the third-party platform account.
5. Configure the server address and port for the target server, which is the server IP address or
domain name of the 3rd party platform, and the port number of the target server.
6. Select the "Protocol Type" for the 3rd party platform (TCP/TLS/UDP).
7. Select whether if the 3rd party platform requests the authentication. If so, users need to select
"Unified platform accounts authentication" or "One-to-one platform account authentication".
•
Unified platform accounts authentication: Users only need to configure 1 SIP account and
password on the 3
authentication to access the 3

Figure 19: SIP Trunk Service Configuration - Call

rd party platform, the IPVT10 will always use this SIP account and password
party platform.
rd
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