07-25-2007 12:49 PM - edited 03-14-2019 10:46 PM
Hi There,
Please help!
I am planning to set-up a T1 Inter-Cluster Trunk IP telephony lab.
Is it possible to make a Cisco 2821 router with 3 VWIC-2MFT-T1 as hub or simulated PSTN and Cisco 2801 w/ VWIC-1MFT-T1 as spokes or simulated T1 customers?
I have seen a this kind of configuration in CIPT-1 Course lab topology but instead of using a Cisco 2821 router as hub, CIPT-1 uses WS-6608-T1 voice services module. This configuration was used for Inter-Cluster voice communication.
Thanks,
negrevi
07-31-2007 12:50 PM
When the card is set up to use ISDN PRI signaling, ISDN data connection is not supported. The card is unable to terminate the ISDN 64 K or 56 K data connection. It supports only voice-call termination when using ISDN PRI signaling.
Also, the Multi-Flex Trunk, with or without the accompanying voice-enabling hardware, is unable to terminate a modem connection on the router in a traditional Network Access Server (NAS) dial scenario.
07-31-2007 01:04 PM
Hey negrevi
Are you wanting to build a PSTN switch?
If so, then I would assume that logically it cannot be the hub. It's like Cisco FR switch scenario - agree?
Ajaz
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