network voip problem

cynchro
Joined: Fri 17 of Feb, 2012

network voip problem

Posted:Fri 17 of Feb, 2012 (13:13 UTC)
hi all people! im new in this forum, I do not speak English very well but I will try jej, I have a problem with phone calls, i call one phone number but listen cut everytime, my PBX is LAN and im get 3 gateways gsm.
i probe one ping to lan gateway i got the following result:

64 bytes from 192.168.0.102: icmp_req=59 ttl=255 time=0.706 ms
64 bytes from 192.168.0.102: icmp_req=60 ttl=255 time=0.723 ms
64 bytes from 192.168.0.102: icmp_req=61 ttl=255 time=10.7 ms
64 bytes from 192.168.0.102: icmp_req=62 ttl=255 time=0.472 ms
64 bytes from 192.168.0.102: icmp_req=63 ttl=255 time=0.458 ms
64 bytes from 192.168.0.102: icmp_req=64 ttl=255 time=0.679 ms
64 bytes from 192.168.0.102: icmp_req=65 ttl=255 time=0.634 ms
64 bytes from 192.168.0.102: icmp_req=66 ttl=255 time=0.640 ms
64 bytes from 192.168.0.102: icmp_req=67 ttl=255 time=0.640 ms
64 bytes from 192.168.0.102: icmp_req=68 ttl=255 time=0.606 ms
64 bytes from 192.168.0.102: icmp_req=69 ttl=255 time=0.616 ms
64 bytes from 192.168.0.102: icmp_req=70 ttl=255 time=0.593 ms

into lan have 6 switch and one router, ┬┐you think they may have a network problem?

Thanks!