Call Admission Control/Location configuration on CallManager
I have a Cisco 3845 gateway(at Regional office) which is connected to Nortel PBX through QSIG and also conntected to local PSTN through E1 PRI.The gateway is registered to the CCM 4.2(3) sr2b cluster in head office over the WAN through MGCP. I have Cisco as well as Nortel phones at the regional site.
Requirement - When a Nortel phone(at Regional office) connetced to Nortel PBX call a Cisco Phone at head office,it has to go through WAN as primary and through local PSTN terminated on local 3845 router(at regional site) as secondary ie when WAN is congested(when certain bandwidth is fully exhausted).
How can this be achieved?
Can this be achieved through CAC/location configuration. I know "location" can be configured on Cisco IP phones but is there a way calls from Nortel phones understand that bandwidth is exhausted and they need to take alternate route ie through local PSTN.
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