SIP account.
Min Local SIP Port: To configure maximum local SIP port for designated
SIP account.
Caller ID Header: To choose caller ID header format. There are 6 options -
FROM, PAI, PAI-FROM, RPID-FROM, PAI-RPID-FROM, RPID-PAI-FROM.
Provisional Response ACK: 100% reliability for all provisional messages,
this means it will send ACK every time the phone receives a provisional SIP
message from SIP server.
Register with user=phone: If enabled, the phone will send user=phone
within SIP message.
Anonymous Call: If enabled, R20K will block its information when calling
out.
Anonymous Call Rejection: If enabled, calls who block their information
will be screened out.
Missed Call Log: If enabled, any missed call will be recorded into call log.
Prevent Hacking: If enabled, it will prevent SIP call from attacking in the
Internet
5.4.6. Push Button Call
R20B has 5 push buttons which are used to call out. Each push button can be
setup up to 6 sip numbers or IP addresses, that means users can call out 6
numbers at one time by pressing push button.
To do so, you can do as follows:
1. Click Intercom - Basic to find Push Button.
2. Enter sip accounts or IP addresses for the push button, click Submit tab to