How can i check Jitter ,drops in Voice Traffic

[sabir.bedi1]

Team ,

Please guide me about the tool used to monitor or check the jitter or drops in Voice Traffic over the MPLS/WAN Links

[Mark Malone]

ipsla jitter probe can measure it

http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipsla/configuration/15-mt/sla-15-mt-book/sla_udp_jitter.html