quick question Re: pstn and voip

[iperez_genius]

do i need a pstn line setup on the server inorder for a voip line to work?

 

[francesco]

you have need to only a SIP account

 

[Henk]

Out going calls.

For internal (eg no network outbound calls) you do not need PSTN or SIP.

For External using PSTN network, you need a PSTN line and an ATA.

For External using VOIP (eg broadband) you need a VSP with a SIP account, no ATA is needed as the 3CX box registers direct with your VSP.

Same applies for incomming calls.

Hope this helps.
H.

 

[Henk]

Nope, sip is just one of the many signalling protocols like:

- QSIG
- H.225.0
- ISND
- SS7
- H.248
- Session Initiation Protocol (SIP)
- H.323
- MGCP
- C7
- C5
- DTMF
- R1
- R2


For good order, and in the context of this forum you are correct.
But you do not need to setup a SIP account as such simply becasue 3CX is your IP-PBX.

But the questions was "do i need a pstn line setup on the server inorder for a voip line to work?" and the answer provided is No which is correct technically.