Trunking Connecting over WAN Branch and HQ- CCM setup
Confused and need your expert input in this regards
SITE A is HeadQuarter and Site B is a branch. Setup looks like this :-
Site A calling Site B
IP Phone Network(SiteA)--->CCM5.x (SiteA)-->LAN NetworkA--> WAN RouterA--> WAN RouterB-->Branch LAN Network-->CCM5.x(SiteB)--> IP Phone Networks(Site B)
The issue is :-
1) Site B don't want to route IP Phone network over WAN
2) Only CCM network routing is allowed
3) Open for any trunking except SIP.
Tried INTERCLUSTER TRUNK but here needs to advertise each other network and need to make it mesh which is not scalable in case branch has 1000+ phone then needs to route 8+ network which is not scalable and also not the best option from security aspect.
Gateway acting as a proxy is a option but still worried about RTP traffic.
Looking towards input here and thank you all in advance .
Re: Trunking Connecting over WAN Branch and HQ- CCM setup
Thanks for your response.
Scenario is in case of Branches, I want a setup where I don't need to advertise Branch IP Phone network or hide them. Both end has CCM cluster. So, confused about what the best way to allow them to talk to each other over WAN.
1) Put the GW at both end which can act as a proxy and terminate the RTP stream respectively and as both GW know each other call should go through. SOme kind of Proxy at each end which hides the Phone network.
Not sure about the config aspect to set this up
2) GK controlled ICT where in respective CCM will register respective site CCM to GK and then GK will talk to each other but here not sure about RTP stream and config I am confused.
Anyway love to hear some input with this kind of restriction. I can implement NON GK controlled ICT trunk but that option is not good because each site has to define respective location CCM Cluster and then IP PHONE network too which is not a good idea.
Pl suggest the best way to connect both end. Both end uses Cisco Phones register with respective CCM Clusters.
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