Cisco Support Community
cancel
Showing results for 
Search instead for 
Did you mean: 
Announcements

Welcome to Cisco Support Community. We would love to have your feedback.

For an introduction to the new site, click here. If you'd prefer to explore, try our test area to get started. And see here for current known issues.

New Member

if the isdn "u" interface can not be used in china

because i have a router(2611) with a isdn "u"interface connected to the telecom's isdn switch.but the router(2611) often lose the connection of isdn link in a interval.who can i tell me the reason?whether or if the "u" interface can not matching the isdn switch of China Telecom?

Thanks

1 REPLY

Re: if the isdn "u" interface can not be used in china

Hello

I donn't know which interface useed in China, but suppose that s/t.

U and S/T interfaces uses different line coding.

90
Views
0
Helpful
1
Replies