1. MPLS Network Carry Voice Real Time Protocol (RTP)
Between 1:00 to 1:05
Router B received only 49,500 voice packet from Router A
Between 1:00 to 1:05
Router is sending over 50,000 voice packet to router B via STM-1
Interface configure with QoS, allow RTP as high priority traffic
STM-1/OC3 155 Mbps PE B P A
12404
12406
Voice , RTP traffic
1 Ge PE A
7609
1 Ge
1 Ge
Between 1:00 to 1:05
GW “B” voice call drop due to lost packets
of 500 packets
Between 1:00 to 1:05
50,000 voice packet is sent to GW “B”
Ericsson
Media gateway B
(Soft switch)
Ericsson
Media gateway A
(Soft switch)