[cisco-nas] Back to Back ISDN PRI connection.

[Aaron Leonard]

> >is there a possibility to connect two Cisco E1 interfaces back-to-back
> >supporting ISDN PRI
> >capabilities ?
> >
> >One side is AS5300 with 4 Channelized E1/PRI ports, other is 3640 with
> >High Density Voice Port
> >adapter, E1 (1 Port) Multi-Flex Trunk WAN Daughter Card.
> >
> >Purpose is to simulate analog modem calls coming into 3640 via FXS, coming
> >over E1 to AS5300
> >terminated on MICA modem.

> The command <isdn protocol-emulate network> allows for back-to-back
> connections by emulating the network side.

> mark

A couple other tips:

- For E1, use primary-net5 switchtype (if T1, use primary-NI)

- To avoid clock slips, set one side to freerun and the other side to
be loop timed.  See http://www.cisco.com/warp/public/116/sgl_clocking.html .

Aaron