Welltech ePBX80 V.1.1 User Manual
Page 102
Welltech Technology Co., Ltd.
102
5.1.2
ePBX80 register to IP Telephony Service Provider(ITSP) as a
SIP trunk
ePBX80 can register to another ITSP as a SIP trunk. So the Subscriber from ITSP and ePBX80
extensions can call each other.
Step1: Obtain register account
Apply an account from ITSP with “Line number 0700666888, Account: 0700666888,
Password: 123123”. And the proxy address of ITSP is 211.22.42.195, port 5062. Maybe the
ITSP also need to provide “Realm”, so you should also enter Realm for the SIP Trunk,
otherwise the call from ePBX80 to ITSP may be rejected. For more information about
“Realm”, please contact with your ITSP engineer.
Step2: Set up ePBX80 to register ITSP.
Enter the necessary information in SIP Trunk Reg page. In this example, the “Realm” is