Multi-National/Global Considerations

The Cadence Classification After Answer field on the System Parameters OCM Call Classification screen is administered per system rather than per location.

The End OCM After Answer timer field is administered per location. Different countries are likely to have different timing regulations.

The End of OCM Intercept Extension field is administered per location. Different countries are likely to have announcements in different languages.

TTY classification

The call classifier currently does not have TTY detection. You can record an announcement both in the local language and in TTY. The End of OCM Intercept Extension field can contain an announcement recorded both in the local language(s) and in TTY.

Call classification after answer supervision

The call classification after answer supervision feature is independent of the no-cadence call classification modes and End OCM timer feature.

CONNECT reliable when call leaves ISDN

The No-cadence call classification modes and End OCM timer feature is dependent on the CONNECT reliable when call leaves ISDN field.

Answer supervision timeout

If answer supervision is enabled, set the Answer Supervision Timeout field to 0 (zero).

Private network ISDN (QSIG)

Communication Manager sends an update message to the QSIG trunk when the following happens:

• The outgoing trunk uses private network QSIG signaling.

• Communication Manager changes the originator from the one specified by the CTI adjunct's third party make call request to the End of OCM Intercept Extension.

It is the same message used if a person manually transfers a call. However, a call center is unlikely to make outgoing calls over QSIG trunks.

SIP

Communication Manager sends an update message to the SIP trunk when the following happens:

• The outgoing trunk uses SIP signaling.

• Communication Manager changes the originator from the one specified by the CTI adjunct's third party make call request to the End of OCM Intercept Extension.

CCRON

Communication Manager does not use the no-cadence call classification modes with the Coverage of Calls Redirected Off-Net (CCRON) capability.

EC500

Communication Manager does not use the no-cadence call classification modes with the Extension to Cellular (EC500) capability.

Call vectoring

Call vectoring works with the No-cadence call classification modes and End OCM timer feature.

Inter-Gateway Alternate Routing

If you have a single PBX for both call center and non-call center communication, a call center with strict timing regulations can use Inter-Gateway Alternate Routing (IGAR). You must make sure that each gateway with public network trunks has its own announcement port(s) for use by the Locally Sourced Announcements feature. This helps prevent delays while connecting the announcement.

Call Redirection

Communication Manager 5.2.1 treats an OCM call the same way as the Communication Manager 5.0 third party make call feature, when the following happens:

• Communication Manager terminates an OCM call to the End of OCM Intercept Extension.

• End of OCM Intercept Extension is administered as a VDN.

• Associated vector has a route-to step.

The call proceeds to the route-to destination. If the call terminates at a busy endpoint, Communication Manager drops the call.

Uniform Dial Plan

Communication Manager administers per location an extension number to route the call when the maximum classification time is reached. The extension number can be a recorded announcement, a vector directory number, or a hunt group extension on the local server. The field does not accept a UDP extension, even if the extension routes to a recorded announcement on another server.

Multi-location ARS routing

The location of the outgoing trunk is used for the OCM call when the following happens:

• Communication Manager terminates an OCM call to the End of OCM Intercept Extension.

• End of OCM Intercept Extension is administered as a VDN.

• Associated vector has a route-to step.

Multi-Location Dial Plan (MLDP)

The Multi-Location Dial Plan feature analyses digit strings via entries in the UDP tables. The End of OCM Intercept Extension cannot be administered as a UDP extension. You can type the full extension number into the administration field.