[asterisk-users] Dragging the dialup customers along, possible?

[Aaron Krohn]

We have an Ascend Max router that has a PRI plugged into it, providing 
our current dialup users with web access. The PRI is no longer cost 
effective, so I've been tasked with converting it to something cheaper.

We added a DID to our (existing) asterisk system (we have a couple dozen 
voip customers). We added an Adtran 908 to convert the VoIP signal into 
a virtual PRI for our MAX router to handle dialup calls.

When dialing into the number with a modem, MAX sees the call, picks up 
and apparently tries to negotiate it, but eventually disconnects. It 
HAS, however, twice, successfully connected the call for a short time, 
but no browsing was possible. I've done some debugging output on the 
Adtran which seems to indicate that an RTP BYE command is received: 
TM.T01 01 SipTM_Connected      rcvd SIP call-leg request: BYE ... This 
is the first difference between a debug output where the call connected 
and one that does not work. This is the one that doesn't work.

TL;DR - Is it possible to do dial-up through Asterisk? Or is it like t38 
faxing that is 'possible' to get working, but not if you have other job 
responsibilities?

Thanks!

-- 
Aaron Krohn
Web Force Systems

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