Operating Ambient Temperatures - Polycom VVX 400 User Manual

Business media phones

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Table Of Contents

Table of Contents

Polycom VVX 400 and 410 Business Media Phones User Guide

Special Conditions for this User Guide



PTC General Warning: The grant of a Telepermit for any item of terminal equipment indicates only that

Telecom has accepted that the item complies with minimum conditions for connection to its network. It

indicates no endorsement of the product by Telecom, nor does it provide any sort of warranty. Above all, it

provides no assurance that any item will work correctly in all respects with another item of Telepermitted

equipment of a different make or model, nor does it imply that any product is compatible with all of Telecom's

network services.



Echo Cancellation: Echo cancellers are not normally required in the Telecom PSTN because geographic

delays are acceptable where CPE return loss is maintained within Telepermit limits. However, those private

networks making use of Voice over IP technology are required to provide echo cancellation for all voice calls.

The combined effect of audio/VoIP conversion delay and IP routing delay can cause the echo cancellation

time of 64 mS or more to be required.



Software Version in this Polycom VVX 400 and 410 VoIP Desktop Telephone When Used on the

Telecom Network: This telephone must be equipped with the software installed during the PTC testing

(version 6.4.1.0008) for compliance to be guaranteed.

Australia

With respect to section 5.4.3.11 of the Australian Communications Authority as Telecommunications Technical

You should be aware that, under certain operating conditions, the handset earpiece may retain small metallic

objects. If this occurs, these objects should be removed before using the handset.