Polycom 1500 Getting Started Manual page 140

RealPresence Collaboration Server (RMX) 1500/1800/2000/4000 Getting Started Guide
 Display the H.323 ID alias.
or
Display the E.164 alias.
or
Display nothing if all the fields are empty.
 For a SIP undefined participant:
 Display the SIP DisplayName field.
or
Display the SIP Address (SIP application server).
or
Display the SIP ContactDisplay field.
or
Display nothing if all the fields are empty.
 For a defined H.320 participant (Collaboration Server 1500/2000/4000):
 The system displays the name from the participant definition.
 For an undefined H.320 participant:
 Display the Terminal Command String (TCS-2) to identify the participant.
or
Display nothing if the string is not received or empty.
● If the endpoint's Display Name is changed in the Collaboration Server Web Client, it overrides all the
above.
To change the Display Name:
1 In the Participants list, double-click the participant or right-click the participant and then select
Participant Properties.
2 Click the Media Sources tab.
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