Microsoft KB Archive Search

Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.

  1. Home
  2. Fax communication sessions are dropped by an Exchange Server 2007 Unified Messaging server

Fax communication sessions are dropped by an Exchange Server 2007 Unified Messaging server

View products that this article applies to.

Symptoms

If you use a Microsoft Exchange Server 2007 Unified Messaging server to receive faxes, some fax communication sessions are dropped by the Unified Messaging server. Therefore, some faxes are missing.

↑ Back to the top

Cause

The fax communication sessions may include empty data fields, which is ordinary. However, the Exchange Server 2007 Unified Messaging server does not recognize the empty data fields. Therefore, the Exchange Server 2007 Unified Messaging server ends the connection by sending a Session Initiation Protocol (SIP) "BYE" during the fax transmission.

↑ Back to the top

Resolution

To resolve this issue, install the following update rollup:
2530488 Description of Update Rollup 3 for Exchange Server 2007 Service Pack 3

↑ Back to the top

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

↑ Back to the top

More information

For more information about Exchange Server 2007 Unified Messaging server role, visit the following Microsoft website:
General information about Exchange Server 2007 Unified Messaging server role

↑ Back to the top

Keywords: KB979338, kbexpertiseinter, kbsurveynew, kbhotfixrollup, kbqfe, kbfix

↑ Back to the top

Article Info
Article ID : 979338
Revision : 4
Created on : 3/31/2011
Published on : 3/31/2011
Exists online : False
Views : 324