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Cisco Bug: CSCur49826 - Transformation CSS is not applied for MRA calls due to PAI header

Last Modified

Jan 13, 2017

Products (1)

  • Cisco Unified Communications Manager (CallManager)

Known Affected Releases

10.5(1.10000.7)

Description (partial)

Symptom:
Calling Party Transformation CSS is not applied for endpoints registered via Collab Edge MRA.

This is happening because Expressway will add P-Asserted-Identity (PAI) as VCS always done.

CUCM never expects PAI coming from Endpoints and it rewrites already applied changed 
Calling Party Number by number presented in PAI header.

Conditions:
- endpoint is registered via Collab Edge MRA (Jabber clients, TC-based endpoints- EX/MX/C)
- endpoint have Calling Party Transformation CSS configured
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