Release Notes

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Interoperability

Cisco TelePresence Server Software Release Notes 3.1(1.95) Page 25 of 31

Polycom

Endpoint Software Comments

HDX 8000 3.1.1.3-

36019

Tested H.323 and SIP:

n HDX does not support redial missed/rejected calls

due to an endpoint limitation

n If the endpoint and TelePresence Server are

registered to different peers of a VCS cluster, call

bandwidth may be limited to 64 kbps. This issue

only occurs with H.323 calls

n Media quality may be unreliable when using H.261

or H.263 (these are not the default codecs). Use the

default codec to avoid this issue

HDX 9006 3.1.0-

23277

Tested H.323 and SIP:

n HDX does not support redial missed/rejected calls

due to an endpoint limitation

n If the endpoint and TelePresence Server are

registered to different peers of a VCS cluster, call

bandwidth may be limited to 64 kbps. This issue

only occurs with H.323 calls

n Media quality may be unreliable when using H.261

or H.263 (these are not the default codecs). Use the

default codec to avoid this issue

OTX 300 3.1.0-

23277

Tested H.323 and TIP:

n OTX does not support redial missed/rejected calls

due to an endpoint limitation

n If the endpoint and TelePresence Server are

registered to different peers of a VCS cluster, call

bandwidth may be limited to 64 kbps. This issue

only occurs with H.323 calls

n 4:3 content sent to OTX may be displayed as 16:9

due to endpoint limitation

n Encryption is not supported in TIP call architecture

n DTMF tones are not suppressed

RealPresence Group 500 4.0.2-

40451

Tested H.323 and SIP:

n Siren14 and H.263 codecs are not supported due to

endpoint limitations.

n Low bandwidth H.323 calls do not support

encryption

n FECC does not work over SIP when the call is via

CUCM

n Endpoint may continue to use higher bandwidth

after optimization

n SIP calls to this endpoint may fail if TIP support is

enabled on the endpoint. Work around this issue by

adding it as a legacy TIP endpoint on the

TelePresence Server (if in locally managed mode),

or using the "force TIP" option via the API (if in

remotely managed mode)