UCID not transmitted

Last Updated : Jan 07, 2014 |

Universal Call Identification (UCID) relay over ISDN or SIP trunks depends on the field settings on the System-Parameters Customer-Options screen. If Communication Manager does not relay UCID, check the following:

  • The ISDN-PRI and ISDN-BRI fields on the System-Parameters Customer-Options screen is n. These field values must be y.

  • The Send UCID field on the Trunk Group screen of a tandem Communication Manager server is n. To relay UCIDs, this field value must be y.

  • For Call Management System (CMS), call-associated trunks, VDNs, and skills are unmeasured. All call-associated resources must have the Measured field as both or external.

  • For DCS, ISDN or SIP trunks must have the service protocol as shared uui.

Solution

Procedure

  1. A tandem communication server has the Send UCID field set to y for all trunk groups that Automatic Alternate Routing (AAR) or Alternate Route Selection (ARS) or station users can use to tandem an incoming call.
  2. For DCS, configure all ISDN trunks between the communication servers for DCS or remote AUDIX in the D-channel mode.
  3. For CMS tracking purposes, administer the Measured field as both or external for all trunks, VDN, and skills for which Communication Manager tracks UCIDs.