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

ISDN dial PSTN

Hi,

I want a clarification on one of the basic concept.

I have a ISDN line. Is it possible to dial into the ISDN from a PSTN line.

Please help me in understanding this concept

1 ACCEPTED SOLUTION

Accepted Solutions
Hall of Fame Super Gold

Re: ISDN dial PSTN

This happens because central office switches are designed to do so. And yes you can call PSTN from ISDN.

Please remember to rate useful posts with the scrollbox below.

3 REPLIES
Hall of Fame Super Gold

Re: ISDN dial PSTN

Yes, it is possible, and very normal.

New Member

Re: ISDN dial PSTN

Hi,

Thanks for your reply.

Can you please share how it works. I raised this question because, PSTN is alalog and ISDN is digital. How this both interoperable.

I hope the same way i can dial PSTN line from ISDN line. Am i correct?

Thanks in advance

R.B.Kumar

Hall of Fame Super Gold

Re: ISDN dial PSTN

This happens because central office switches are designed to do so. And yes you can call PSTN from ISDN.

Please remember to rate useful posts with the scrollbox below.

109
Views
0
Helpful
3
Replies