INTERFACES USAGE. For interfaces between the MSC and the PSTN, the MSC is capable of interfacing to the local Central Office (CO) of the PSTN in MF (Multi Frequency) in-band signaling. The actual interface will depend on the capability of the local CO at the time the System is deployed. Inter-MSC handovers require dedicated CCS/C7(CCITT) circuits between the two MSCs involved. Details on signaling must be provided by the customer. Unique requirements may cause the need for additional equipment and services.
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Sources: Iden Infrastructure Supply Agreement (Tricom Sa), Iden Infrastructure Supply Agreement (Tricom Sa)