3 ms·
If you've made a long distance call at any point in the last 20 years (including today) you have decent odds that the call went thru a DMS.
by Aloha 8y ago
If you've made a long distance call at any point in the last 20 years (including today) you have decent odds that the call went thru a DMS.
- mikekchar 8y agoIt's been decades since I worked on telephones. That scares me a bit :-D