Voice over Wi-Fi transport with BlackBerry Mobile Voice System on a home network results in poor call quality

Article ID: KB23045

Type: Support Content

Last Modified: 06-21-2012


Product(s) Affected:

  • BlackBerry Mobile Voice System
  • BlackBerry MVS for Cisco Integration
  • BlackBerry® Mobile Voice System (MVS) 5.0
  • BlackBerry® Mobile Voice System (MVS) 5.1

The audio can be choppy and calls may not connect when a call is placed using the Voice over Wi-Fi® transport with BlackBerry® Mobile Voice System (MVS).


The issue could be related to one of the following causes:

  • Insufficient network connectivity
  • Bandwidth optimization issues

Enable Quality of Service on the Wi-Fi router or access point. For more information, consult the documentation supplied with the Wi-Fi router or wireless access point. Alternatively, consult the vendor of the Wi-Fi router or access point.


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Visit the BlackBerry Technical Solution Center at www.blackberry.com/btsc.