Mavenir Systems' Converged Messaging Solution for LTE Services Chosen by MetroPCS

RICHARDSON, Texas, February 15, 2011 - Mavenir Systems, one of the world's leading providers of innovative
mobile convergence solutions, today announced that it will provide LTE-based
MMS and SMS services for MetroPCS Communications, Inc.

MetroPCS will implement Mavenir's Converged Messaging solution on its new
LTE network, allowing its 4G LTE customers to exchange multimedia and text
messages with one another and other carrier networks. MetroPCS currently uses
Mavenir's Converged Messaging solution, launched in early 2010, as a
cost-effective way for its CDMA network to support rapid growth in text
message usage.

"By selecting Mavenir again to support its nationwide LTE services,
MetroPCS joins a growing list of carriers that value our innovative IP
messaging solutions," said Pardeep Kohli, President and CEO of Mavenir.
"Mavenir enables carriers such as MetroPCS to develop and deploy market
differentiating, revenue-generating messaging services with reduced cost,
risk and time to market. We look forward to continuing to work with
MetroPCS."

About Mavenir:

Mavenir provides the Converged Voice, Video and Messaging Solutions that
power Mobile Cloud Services. With Mavenir, mobile operators can offer mobile
cloud services that are scalable, highly customizable and easy to implement.
Mavenir's Converged Voice solutions enable rapid delivery of Mobile VoIP,
VoLTE, Mobile Video, Session Mobility and Femto services; Converged Video
solutions provide Mobile Video Conferencing and mashups with traditional
services such as single voice and video mail; Converged Messaging solutions
deliver SMS, Multimedia and RCS services to monetize 3G and 4G services.
Visit www.mavenir.com.

Kathrine Dela or Ben Kizer of Global Results Comms, +1-949-608-0276, mavenir at globalresultspr.com