Polycom VIEWSTATION EX Manuale di istruzioni

June 2005

3725-21815-007/A

Polycom is pleased to announce the version 6.0.5 software release for Polycom ViewStation® EX/FX/VS4000

systems.

What’s New in This Release?

Polycom software release 6.0.5 is available as a free software update for ViewStation EX/FX/VS4000

customers. Version 6.0.5 addresses the issues described in the Corrected Issues table and includes the

following new functionality.

New Mixed IP and Gateway Dialing

With this version, the ViewStation EX/FX/VS4000 and MGC™gateway products operate

smoothly for sites transitioning to IP only and using the MGC gateway to perform all

necessary ISDN calls. In addition, the address book supports mixed gateway and IP calls.

IP-Only Sites

For a system to be truly IP-only, it must not have a V.35 or ISDN module connected to it.

The system works differently if you simply disable ISDN as a call preference type.

Differences in Dialing Addresses

The difference between a gateway call and an ordinary IP call is that in a gateway call, the

system attempts to prefix a number(s) to the ISDN number. When the dialing address

arrives at the gateway, the gateway can use the prefix to determine what call rate to dial.

With gateways you can also use E.164 addresses, which can appear to look exactly like

ISDN addresses, or an IP alias. This alias can be all alphabetic characters, and the

gatekeeper resolves the IP address in order to call the far site.

One Dial Preferences

The Primary Call Type can be ISDN, IP, or Manual, and the Secondary Call Type can be

ISDN, IP, or None. These settings affect ISDN/IP rollover scenarios. ISDN/IP rollover

occurs in the Manual Dialer when the call type is set to Auto and when dialing a single

address book entry with both protocol types filled in. In these scenarios, the system uses

the One Dial Preferences to decide what type of call to dial first based on the Primary Call

Choice. If that fails, it will try the Secondary Call Choice if it is not set to None. If the

Primary Call Choice is set to Manual, the call protocol should default to ISDN for the

manually dialed calls and the user should be prompted for address book dialed calls.

ISDN/IP rollover will never occur in a multipoint address book entry; however,

gateway-to-ISDN rollover described in the next section will occur.

Release Notes

ViewStation EX, ViewStation FX, and VS4000, Version 6.0.5

Release Notes

ViewStation EX/FX/VS4000, Version 6.0.5

- 2 -

Outbound Call Route Settings

The Outbound Call Route setting, Gateway or ISDN, controls gateway-to-ISDN rollover.

If this setting is set to ISDN, all ISDN calls will be made over H.320. If this setting is set to

Gateway, ISDN calls will first be tried over H.323 using a gateway, and if that fails, they will

be tried over ISDN. Note that ISDN calls will not rollover and try the gateway.

Multipoint Address Book Entries and Rollover Scenarios

Mixed ISDN/IP address book entries will never roll over from ISDN to IP but will roll over

from gateway to ISDN if the system is configured to make gateway calls. This behavior

occurs because you choose what protocol to use for dialing at the time you create the mixed

address book entry.

Gateway Calls and Speed Changes Due to Flow Control

This version uses an intelligent algorithm for deciding the dialing speed for a subsequent

gateway call if the preceding call's speed was decreased significantly by the gateway flow

control.

Single Address Book Entries and Call Type Rollover

The system now always tries to roll over and call out with ISDN, if a gateway call fails for

any reason. ISDN/IP rollovers occur based on the cause code.

Multipoint Address Book Entries on IP-Only Systems

In this version, for a four-way multipoint Address Book entry containing all IP call types,

the entry can be saved and the multipoint call placed at a maximum call speed of 384K on

all systems.

Disabling the H.264 Video Protocol

A new Disable H.264 checkbox has been added to the system and resides on the System

Options page. All systems which are H.264 capable, whether they require an option key or

not, will have H.264 enabled by default. You can disable H.264 by selecting the checkbox

and clicking Save before leaving the page. This option gives you the flexibility to

communicate through gateways that do not have this feature fully implemented.

API Enhancements

Telnet port 24 can now continue to accept connections if the previous connection

terminated for any reason. When the first connection goes down, a second is able to

reconnect to port 24. The ViewStation EX/FX/VS4000 system deems the first connection

inactive and closes it after 30 seconds of no incoming data. This behavior is not designed

to service two simultaneous connections to port 24, but prevents a single connection from

hanging and the need for a system reboot to clear this condition.

Release Notes

ViewStation EX/FX/VS4000, Version 6.0.5

- 3 -

If both connections on port 24 are active and there is no room for another incoming

connection, then the ViewStation EX/FX/VS4000 system properly refuses this incoming

connection with a Port Disconnect message.

Corrected Issues

The following table lists issues corrected in version 6.0.5.

Feature Limitation

Address Book An Address Book file left over from the

ViewStation EX/FX/VS4000 release 4.2 did not use the

proper speed to call. This has been corrected.

The system address book has been updated to provide a

new ISDN phone number for the Polycom Austin location.

The 6.0.5 Softupdate package will automatically provide

the user with the new number after the upgrade is finished.

Camera When the alternate PTZ camera was used for a snapshot,

it went back and forth to the home location before or after

the snapshot. This has been corrected.

Communication If a user registered with a gatekeeper and made the

systemanIP-only system byunplugging the network cable

between the ViewStation EX/FX/VS4000 system and PRI

module, the PRI icon and the gatekeeper icon on the main

screen alternately flashed yellow. This has been corrected

to show the PRI icon red and the gatekeeper icon green.

Internal MCU When in a point-to-point call with VSX™systems at call

speedsof384Korlessandusingthe H.264 video protocol,

the ViewStation EX/FX/VS4000 system had trouble

negotiating video down to H.263 after adding another site

and becoming an MCU. This issue has been corrected.

WhenaViewStationEX/FX/VS4000systemwasoperating

as an MCU in a three-way or four-way mixed protocol

conference, if the user hung up one of the H.320 systems,

sometimes video would freeze at the other sites and not

recover unless an action occurred in the UI to force the

MCU to renegotiate caps with the other active sites. This

has been corrected.

Release Notes

ViewStation EX/FX/VS4000, Version 6.0.5

- 4 -

People+Content™If a user made a three-way H.323 conference with two

iPower™systems and a ViewStation EX/FX/VS4000, with

one of the iPower systems serving as the MCU, and the

user sent content from the non-MCU iPower, the

ViewStation EX/FX/VS4000systemdidstopdisplayingthe

content after a few minutes. This has been corrected.

The ViewStation EX/FX/VS4000 system had a problem

advertising custom content video capabilities to systems

which could not transmit the content video properly,

causing display problems. This issue has been corrected.

PRI

Communication SystemswithPRImoduleslosttheB-channelswheneither

an AT&T 4ESS or Nortel DMS PRI switch performed a

layer 1 hot switch-over and lost the D channel for any

length of time. This has been corrected.

Security If a user configured a system with an admin password and

tried to add the system to Global Management System™

(GMS) with the auto discovery feature providing the admin

password, GMS reported the endpoint could not be added.

The system now will allow the GMS to auto discover the

ViewStation FX system, provided the

ViewStation EX/FX/VS4000 admin password is different

than the unit's serial number.

Therewasan interoperability issue with encryption and the

Tandberg MXP software version F2.5, when the Tandberg

system was operating as an MCU with all H.323 calls at

384K. This has been corrected.

Snapshot When making a video call at speeds of 384K or less, which

enables the H.264 video protocol by default in a

point-to-pointcall,and the usersenta snapshot,the farsite

did not display the snapshot on the VGA monitor or on the

second monitor of a dual monitor configured system. This

has been corrected.

When making a video call at speeds of 384K or less, which

enables the H.264 video protocol by default in a

point-to-point call, and the system was configured to use

twomonitors,when a usersentasnapshot to it, the system

did not display the snapshot on either monitor. It would

display correctly if the system was configured for one

monitor. This has been corrected.

Streaming A user entering a meeting password was not allowed to

view a stream from the web browser. This issue has been

corrected.

Feature Limitation

Release Notes

ViewStation EX/FX/VS4000, Version 6.0.5

- 5 -

Telnet/API During a Telnet session with the system, the reboot

command prompted the user with the "reboot,areyousure

<y,n>" prompt. If the user entered a capital 'Y' or 'N', the

system would respond with a "command not found"

message. This has been corrected.

When in an audio-only conference, the main monitor

togglesbetweennearvideoandthemainscreento prevent

the potential of burn in. You can stop this behavior by

preventing the system from goingto sleep. Use ftp to puta

file on the system named "sleeponnear.dat" with the word

"No." An alternative way to prevent the system from going

to sleep is to send the API command sleeponnear no

to set this file.

User Interface When the MGC was used for a conference and one of the

sites terminated its call, the other sites would see the

message "Join to Conference." This has been corrected.

V.35

Communication When a system was set up as a direct connect V.35

system, and the user selected Display Dialing Protocol

on the Dialing Preferences screen then rebooted the

system, the selection was no longer selected. This has

been corrected.

A V.35 Direct Connect system had a problem connecting

properly and displaying video at a call speed of 1536 with

a NEC system. This has been corrected.

Video Video would freeze in a three-way or four-way internal

multipoint conference making all H.323 calls. This has

been corrected.

Web Interface The user could create an address book entry with two

entries on a system which was configured as an IP-only

system and each entry had an IP address only with the call

speed set to 384K. If the user selected this address book

entry and made the call from the Web, a popup box

displayed "The system is not configured to support ISDN

calls."WhentheuserclickedOK,thesystemdialedthecall

properly. This has been corrected.

The system was not dialing properly when using the web

interface to dial calls through a gateway on an IP-only

system. This has been corrected.

Feature Limitation

Release Notes

ViewStation EX/FX/VS4000, Version 6.0.5

- 6 -

Feature Limitations

The following table lists known limitations with the product.

Feature Limitation

Content Sharing You must have Microsoft PowerPoint installed on your

computer in order to view a presentation sent by another

video system.

Interoperability

MGC Version

7.0 Gateway

functionality only

The following configuration flags must be set to NO in the

MGC configuration file “system.cfg” in order for the

ViewStation EX/FX/VS4000 system and MGC gateway

functionality to work correctly:

GW_EPC_H239

FECC_GW

GW_H264

Note that with these flags set to NO, H.264, people +

contentand farend cameracontrol will notoperate through

the gateway.

Interoperability

Plasma Displays

IR interference may exist when the ViewStation

EX/FX/VS4000 is used with certain plasma displays.

Certain plasma display monitors (televisions) emit infrared

energy which interferes with the operation of the remote

control. Interference may include, but may not be limited to:

•Dropped characters or commands—the user presses a

button on the remote control and the number does not

display or the command is not received.

•Incorrect characters or commands—the video

conferencing system may receive characters or

commands the user does not enter on the remote

control.

•The remote control may not work as well at long

distances.

•This type of interference may be experienced with a

ViewStation EX/FX or with the PowerCam or PowerCam

Plus cameras as used with the VS4000.

Polycom recommends separating the camera from the

plasma display to avoid this interference.

Interoperability

RadVision vialP

v4.0 Gateway

To use the ViewStation EX/FX/VS4000 system’s internal

MCU capabilities using the gateway, disable H.264 from

the System Options page before making any point-to-point

gatewaycalls. Point-to-pointcalls workproperly with H.264

enabled; however, there are known issues with

renegotiating the video protocol to H.263 from H.264

through the gateway.

Release Notes

ViewStation EX/FX/VS4000, Version 6.0.5

- 7 -

Upgrading to 6.0.5

Refer to your ViewStation User Guide for instructions and information about updating the ViewStation

system software.

No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for

any purpose, without the express written permission of Polycom, Inc.

Trademark Information

Polycom®, the Polycom logo design, and ViewStation® are registered trademarks of Polycom, Inc. Global Management

System™, iPower™, MGC™, People+Content™, and VSX™ are trademarks of Polycom, Inc.

All other brand and product names are trademarks or registered trademarks of their respective companies.

Release Notes

ViewStation EX/FX/VS4000, Version 6.0.5

- 8 -

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