Polycom 550D, 500D installation instructions Case of Difficulty

Check with your network administrator if you are unsure about the conferencing services provided.

CAUTION: Once added to the conference, calls cannot be selectivey dropped without terminating the conference call.

Take care to terminate unwanted calls - busy tone, voicemail, a person otherwise occupied - by pressing ON/OFF before pressing CONF

to begin the next attempt. Far end participants may hang up at any time.

Using Extended Microphones

Your SoundStation Premier 550D can be adapted to a larger conference room with the addition of Extended Microphones.

If not purchased with your SoundStation Premier 550D, these are available as an accessory from your Polycom Distributor.

By switching to the O position, the LED MUTE light will turn red and only this microphone will be shut off. Switching to the 1 position will turn the

microphone back on.	MUTE
	Red LED

Using the DEFINITY Phone
While the SoundStation Premier	to the 500D/550D Interface Module)
500D/550D is not in use you may	and it will function as usual.
use the DEFINITY phone (connected

Calls Answered On the DEFINITY Phone

To mute all microphones from the extended microphone, press MUTE.

To resume two-way communications, press MUTE again. The red LED will return to green.

An ON/OFF switch is located on each of the extended microphones.

Incoming calls will ring on both the DEFINITY phone and the SoundStation Premier 500D/550D. If you answer the call on the DEFINITY phone and want to transfer it to the conference phone, simply press ON/OFF on the conference phone and hang up the handset. The LED's will

blink red to indicate the mute condition until the handset is returned to the cradle, then return to the green steady state.

The call will be active on the conference phone and all functions will be as defined for calls initiated on the conference phone.

In Case of Difficulty

Conferences Established On the DEFINITY Phone

No Dial Tone
Check that all connections are	Disconnect and reconnect all

Instructions and User's Guide

Conference calls already established on the DEFINITY phone can be easily transferred to the SoundStation Premier 500D/550D by pressing the ON/OFF button on the conference phone then replacing the handset. The LED's will blink red to indicate the mute condition until the handset is returned to the cradle, then return to the green steady state.

The 500D/550D will function as if the

conference call had originated on the conference phone. If the ECS limit has not been reached, new parties may be added or dropped as described earlier. Caution: Transferring conferences before the cycle is complete, i.e. before the call is established, and included or dropped, will result in dropping all callers if you subsequently push the ON/OFF button on the conference phone.

correct and tight.	cables in order as described in
Confirm that you are connected to	the installation instructions.
a DEFINITY digital voice jack.
		Guide
The SoundStation Premier 500D/550D Console Does Not Ring
Ringer volume is set at OFF.		User's
Reset according to instructions.
		and
		Instructions
Short Silences, Echoes, or Clipped Speech

Mute Initiated By the DEFINITY Phone

Do not move the SoundStation Premier The other party may be using

SoundStation Premier Installation

If you have a DEFINITY phone connected to the Interface Module, and your SoundStation Premier 500D/550D is in use, you may use your phone to break away from the public conference call to speak privately to the far end(s) without disconnecting the conference call.

When you lift the handset, all microphones and the speaker on the console are muted. The red LED’s will blink to indicate

the mute condition. When the handset is returned to the cradle, the conference call is resumed and the LED’s return to a steady state.

at each location speak in turn for a few moments, to enable the system to adapt to its environment.

500D/550D console while it is in use.	lower-quality equipment or a	Installation
Keep your hands away from	half-duplex conference bridge,
	in which case there may be little
the console during calls.
	you can do to improve performance.	Premier
Keep papers, cups, coffee pots, etc.,
	Try calling again to see if another
away from the console.
	line provides a better connection.
At the beginning of a call, let someone		SoundStation

8 9