Polycom SoundStation IP5000, IP6000 & IP7000 manual
1.) Call party 1. (Enter telephone number, then press the "Call key" or the "Dial" softkey)
2.) Once you have reached party 1, press the “Hold” softkey. The current call is now placed on “hold” and party 1 hears the telephone system’s hold music.
3.) Now, call party 2 and wait to reach party 2. (Enter telephone number and press "Call key" or the "Dial" softkey)
4.) Use the “More" softkey and then “Merge" to initiate the 3-way call.
Note:
A conference call with more than 3 parties can easily be set up on the administration portal: Please refer to Telephone Conferences in the administration portal manual.