PSTN line through SPA112 with 3cx

[faisalbandesha]

Any body can help me to configure PSTN line with SPA112 for calling through 3cx IP PBX. How can i call through this PSTN number. My scenario is like this.

---> PSTN Line is connected SPA112 in port 1 instead

----> SPA112 Connected to 3cx through LAN

How can i call from 3cx extension through PSTN line to any number locally. File is given bellow for Allo Analog Gatway. kindly guide me for cisco SPA112.

[j.huizinga · Accepted solution]

SPA112 has two FXS ports, don't think works with PSTN lines

[faisalbandesha]

I don't think so it can be used for PSTN

[Jaime Valencia]

No, it cannot, that device has FXS ports, no FXO ports

 Includes two standard telephone ports, each with an independent phone number, for use with fax machines or analog phone devices

http://www.cisco.com/c/en/us/products/collateral/unified-communications/small-business-voice-gateways-ata/datasheet_C78-691106.html