i have Hq site and other 2 branches . Hq is connected to site A with L2VPN 16 M and Hq connected to siteB using L3VPN 6M . Our cluster is centralized and all 2 branches are registered to my HQ through WAN connectivity. HQ able to call Site A and Site B so clear , but site A and site B call sometimes clear and other times not clear . No firewall in between , no WAN connection between Site A and B . Call flow
site A- Hq -siteB
Site B-Hq - site A
i tried to use under region codec G711 between two sites , and even G729 but still same issue. My issue the call become not cleat and so interrupted between Site A and B. The issue happened randomly between Site A and B for some calls .
thanks for your help. Yes , we have QOS . The bandwidth is more enough between sites , as i mentioned above 16M between HQ and Site A , and 6 M between HQ and Site B.We have QOS for LAN and over WAN between sites . Is there any other reason ?. i checked the phone stream and the outgoing call use the correct codec G729 .As i said before the problem sometimes happen and some time no. Any advise.