User manual

Example 10: 3-Way Conference Call, Call Waiting, Call Hold

3-Way Conference Calling Application:

This is for 3-way conference call among Parties A, B, and C. Three parties are registered to SIP

server with either fixed real IP or private IP.

Callings:

1. Make a phone call from Party A to the first phone number Party B.

2. After the first call is established, press Flash key (or hook switch) from Party A to hold the

call, and Party A should hear a dial tone.

3. Make another phone call from Party A to the second phone number Party C.

4. After the second call is established, press Flash key (or hook switch) again from Party A

to join in Party B for three-way conference call.

Call Waiting Application:

When a new call is coming while you are talking, you can push the Flash key to switch to

the new call. You can push the Flash key to switch between the two calls.

Call Hold Application:

You may push the Hold key to hold the current call for a while, then push Hold key again to

resume talking.