Hi Everyone! Im currently on the start of using Asterisk as a pstn gateway with SER. I have been searching google for about two hours now with not much success. There are probably alot of experts around here who could give something to start with. Could somebody kindly give me a basic idea how I can do about implementing this. Does Asterisk register itself as a client with SER? Also how does SER know that the number being dialed is suppose to be sent to Asterisk? Also I plan to place the Asterisk PSTN GW on a public network, would this be advisable?
look in the VoIP-wiki for lots of useful asterisk stuff.
In short ser will route to asterisk, asterisk will take this call, in its sip channel, and based on number being dialed, route out via a context in extensions.conf to a zap channel,
You need to have the e1 lines coming into the asterisk box, for which you will need the correct hardware installed. Otherwise just send it our over SIP to a end provider.
Iqbal
jeff kwong wrote:
Hi Everyone! Im currently on the start of using Asterisk as a pstn gateway with SER. I have been searching google for about two hours now with not much success. There are probably alot of experts around here who could give something to start with. Could somebody kindly give me a basic idea how I can do about implementing this. Does Asterisk register itself as a client with SER? Also how does SER know that the number being dialed is suppose to be sent to Asterisk? Also I plan to place the Asterisk PSTN GW on a public network, would this be advisable?
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Thanks Iqbal. I got some Digium cards now and I was able to make the asterisk work as a simple pbx. I'll be going to try it out now as a pstn gateway with SER. Though Im not sure if what I have in mind can work. My ser is on the public domain (that is it has a public ip) and my asterisk/pstsn gateway is inside the nat network. From the experience of users here, can this kind of setup work?Btw I have my nat sip aware. Also can I implement the pstn gateway without using any database like mysql or postgre?
Feel free anyone to reply.
Thanks!
Hi
I think it can work but both my systems are on public. You can use pstn gateway without a DB, in fact if you only have one gateway you can just connect direct to it, via you digium interface.
The problem you will face are connecting ser to asterisk, and then deciding what should do what, I have asterisk doing all my call pickups etc, meetme and all, including voicemail, but since asterisk can also do transfers, and routing to other numbers, and so can ser, its can get a bit scary.
Also when you have the pbx you wil decide to have another numbering scheme, like 3 digit internal extensions, these will need to be done in asterisk, and mapped in asterisk, cause in asterisk you can have the same extension for diff "companies", I couldn't see howto do that in SER.
Iqbal
jeff kwong wrote:
Thanks Iqbal. I got some Digium cards now and I was able to make the asterisk work as a simple pbx. I'll be going to try it out now as a pstn gateway with SER. Though Im not sure if what I have in mind can work. My ser is on the public domain (that is it has a public ip) and my asterisk/pstsn gateway is inside the nat network. From the experience of users here, can this kind of setup work?Btw I have my nat sip aware. Also can I implement the pstn gateway without using any database like mysql or postgre?
Feel free anyone to reply.
Thanks!
.
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Iqbal -
jeff kwong