Cisco Cisco Expressway Release Notes
Open issues
Cisco TelePresence Cisco Expressway Software Release Notes (X8.1.2)
Page 4 of 14
Identifier
Description
CSCul93670
Symptom: Unified Communications services fail to start after a Expressway restart. Mobile and
remote systems will not be able to register to Unified CM or make calls. This is an occasional
issue.
remote systems will not be able to register to Unified CM or make calls. This is an occasional
issue.
Conditions: Restart (or reboot) a Expressway that has Mobile and remote access enabled.
Workaround: After a restart or reboot, wait 5 minutes and then go to
Status > Unified
Communications
in the web interface. If any of the services are in an error state, go to
Configuration > Unified Communications > Configuration
and disable and then re-enable the
Mobile and remote access feature.
CSCum48012 Symptom: Memory leak in the application which causes swap to be used.
Conditions: Running Expressway X8.1.
Workaround: Monitor memory usage and when usage of swap becomes high, reboot the
Expressway.
Expressway.
Table 1: Issues resolved in X8.1.1 (continued)
Open issues
.
Limitations
Unsupported features (general)
n
DTLS is not supported through the Expressway-C/Expressway-E; attempts to make secure calls will fail
n
SIP Early Media
n
SIP KeyPad Markup Language (KPML)
n
Audio calls may be licensed as video calls in some circumstances. Calls that are strictly audio-ONLY
consume fewer licenses than video calls. However, when audio calls include non-audio channels, such as
the iX channel that enables ActiveControl, they are treated as video calls for licensing purposes.
consume fewer licenses than video calls. However, when audio calls include non-audio channels, such as
the iX channel that enables ActiveControl, they are treated as video calls for licensing purposes.
Unsupported Jabber features when using mobile and remote access
n
Directory access mechanisms other than UDS
n
Certificate provisioning to remote endpoints e.g. CAPF
n
File transfer (except when operating in hybrid Webex mode)
n
Deskphone control (QBE/CTI)
n
Additional mobility features including DVO-R, GSM handoff and session persistency
n
Self-care portal
n
Support for Jabber SDK
n
Shared lines are supported in a limited way. Multiple endpoints can share a line but in-call features (like
hold/resume) only work on the first endpoint that answers. Endpoints sharing the line may not correctly
recognise the state of the call.
hold/resume) only work on the first endpoint that answers. Endpoints sharing the line may not correctly
recognise the state of the call.