I sold a Sl 2100 to replace a dead NEC Electra elite . I saw analog trunk cards on the electra so sold the sl2100 configured for analog trunks . It turns out they had a T1 feeding the electra .poking around they had analog trunks at one time then must have gone to a T1. the TI was wired in via a 25 pair rather than a 8 conductor jack so that's part of why I missed it .
The customer couldn't tell me anything about the lines . I've reached out to the customer to get a contact at Century link to find out just what they have and how it is configured .
When I go to NTAC I see T1 on the trunking but a search brings up no info .
SIP trunking is the only thing that comes up
Does the SL 2100 do T1 , PRI or only SIP
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