We've a central location and 3 branch locations. The central location have a 3640 router connected to an EPABX using E&M port connection. The remote locations have 2610 router with E&M card and 2FXS ports. Communication to one of the remote location ...

My network has 3 sites A, B and C which are interconnected with E1 pipes. Call manager will be located on the LAN side of location A.Due to some TELCO problems, links between any of these locations go down atleast once a day. Because of this reason a...

I've a 3640 router configured as H.323 gateway with CCM 3.1(3a). Currently I've about 8 PSTN lines connected to the FXO ports of the gateway, used for only outgoing calls. The organization wants to procure E1-ISDN PRI line so to increase the number o...