Mehdi Shirazi wrote: > Hi > I am working in a big telecom operator. > we have huge amount of ISUP trunks but in some exchanges we don't have > enough PRI Es . I have an ideas for solving this problem in lowest > price as below : > There should be a special signaling convertor like this: this converter > receives 2 SS7 signaling channels from telecom switch and convert it to > 120 D_channet(PRI) on same TE410 board then inside Telecom switch with > configuring "semi permanent connection" > every D_channel will map to channel 16 of E1s that supposed to work as > PRIs so 120 D_channel will map to channel 16 of 120 E1s( from telecom > switch point of view this E1s are SS7 trunks ). > by this method with using just 4 E1 ports we can convert 120 ISUP E1 to > PRI and sell them. > > signal convertor box <<--2 ss7 channel---Telecom switch -----120 > PRI---->ISPs,PABXs > signal convertor box --120 D_channel-->>Telecom switch > ........''.........''............" > > I want to know is doing this method is possible with Asterisk+ > libss7+libpri without modifying source cods ? > If need modifying source code is it easy or need deep understanding of > source codes ? > what is your suggestion is it practical idea at all or not ? This is certainly doable and a not uncommon situation. I think a number of people use libss7 for ISDN<->SS7 gatewaying. (In case you didn't get my email earlier). Matthew Fredrickson Digium, Inc.
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