Cisco Cisco Expressway Release Notes
Changes in X8.5.2
Unified Communications Cisco Expressway Series Software Release Notes (X8.5.3)
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This maintenance release also builds on features introduced in previous X8.5 releases, as follows:
(Preview) MRA support for new endpoints
Note: This feature is implemented in this version for the purpose of previewing with dependent systems. It is
not currently supported and should not be relied upon in your production environment. Full support for this
feature is planned for future releases of the Expressway software and the interdependent systems below.
not currently supported and should not be relied upon in your production environment. Full support for this
feature is planned for future releases of the Expressway software and the interdependent systems below.
Mobile and Remote Access is extended in this release to include support for the Cisco DX Series endpoints,
and the 8800 Series and 7800 Series IP phones, registering to Cisco Unified Communications Manager. A
previous limitation of the support for these endpoints, in which KPML pass-through was not working in some
circumstances, has been resolved in X8.5.2.
and the 8800 Series and 7800 Series IP phones, registering to Cisco Unified Communications Manager. A
previous limitation of the support for these endpoints, in which KPML pass-through was not working in some
circumstances, has been resolved in X8.5.2.
Mobile and Remote Access is being expanded to include the following new endpoints.
The DX Series must be running at least version 10.2.4, in which MRA support is described as "Unsupported
Marketing Beta", to enable preliminary testing with MRA in your deployment. The Cisco IP Phone 78/8800
Series endpoints must be running version 10.3.1 or later if you want to use them for Mobile and Remote
Access.
Marketing Beta", to enable preliminary testing with MRA in your deployment. The Cisco IP Phone 78/8800
Series endpoints must be running version 10.3.1 or later if you want to use them for Mobile and Remote
Access.
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When deploying DX Series or IP Phone 78/8800 Series endpoints to register with Cisco Unified
Communications Manager via Mobile and Remote Access, you need to be aware of the following:
Communications Manager via Mobile and Remote Access, you need to be aware of the following:
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Phone security profile: If the phone security profile for any of these endpoints has TFTP Encrypted
Config checked, you will not be able to use the endpoint via Mobile and Remote Access. This is because
the MRA solution does not support devices interacting with CAPF (Certificate Authority Proxy Function).
Config checked, you will not be able to use the endpoint via Mobile and Remote Access. This is because
the MRA solution does not support devices interacting with CAPF (Certificate Authority Proxy Function).
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Trust list: You cannot modify the root CA trust list on these endpoints. Make sure that the Expressway-
E's server certificate is signed by one of the CAs that the endpoints trust, and that the CA is trusted by the
Expressway-C and the Expressway-E.
E's server certificate is signed by one of the CAs that the endpoints trust, and that the CA is trusted by the
Expressway-C and the Expressway-E.
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Bandwidth restrictions: The Maximum Session Bit Rate for Video Calls on the default region on
Cisco Unified Communications Manager is 384 kbps by default. The Default call bandwidth on
Expressway-C is also 384 kbps by default. These settings may be too low to deliver the expected video
quality for the DX Series.
Cisco Unified Communications Manager is 384 kbps by default. The Default call bandwidth on
Expressway-C is also 384 kbps by default. These settings may be too low to deliver the expected video
quality for the DX Series.
KPML pass-through
With Key Press Markup Language support, phone users outside the network can use endpoint-signaled
Unified CM features like off-hook dial, group call pickup, abbreviated dial and others.
Unified CM features like off-hook dial, group call pickup, abbreviated dial and others.
Updated language packs
The web interface and embedded webhelp are localized into the following languages. See Installing language
packs for details of changing the language pack.
packs for details of changing the language pack.
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Chinese
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French
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German